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CreateProcess流程分析

CreateProcesssA 函数工作流程分析:
用IDA打开CreateProcessA跟进，调用流程：
call kernel32!CreateProcesssA
call kernel32!CreateProcessInternalA
call kernel32!CreateProcessInternalW
kernel32!CreateProcessInternal函数流程图太复杂,代码估计2000行以上, 看起来很晕+_+~+_+~
用IDA插件把汇编转换成C源码看看, 源码最具有说服力。
大致看一下 CreateProcessInternal调用了
RtlImageNtHeader
NtQueryInformationToken
RtlAllocateHeap
BasepProcessInvalidImage
GetFileAttributesW
SearchPathW 这些函数
最后调用NtCreateUserProcess
该函数做的事情是申请内存, 读取磁盘PE文件,做一系列的检测工作，一切OK，
调用NtCreateUserProcess去创建进程
0:000> u NtCreateUserProcess l10
ntdll!NtCreateUserProcess:
77285860 b85d000000 mov eax,5Dh
77285865 ba0003fe7f mov edx,offset SharedUserData!SystemCallStub (7ffe0300)
7728586a ff12 call dword ptr [edx]
7728586c c22c00 ret 2Ch
7728586f 90 nop
_KUSER_SHARED_DATA 区域是些什么内容（User 层和 Kernel 层是一样的），在 windbg 用 dt 命令来查看：
kd> dt _KUSER_SHARED_DATA 0x7ffe0000
ntdll!_KUSER_SHARED_DATA
+0x000 TickCountLowDeprecated : 0
+0x004 TickCountMultiplier : 0xfa00000
+0x008 InterruptTime : _KSYSTEM_TIME
+0x014 SystemTime : _KSYSTEM_TIME
+0x020 TimeZoneBias : _KSYSTEM_TIME
+0x02c ImageNumberLow : 0x14c
+0x02e ImageNumberHigh : 0x14c
+0x030 NtSystemRoot : [260] 0x43
+0x238 MaxStackTraceDepth : 0
+0x23c CryptoExponent : 0
+0x240 TimeZoneId : 0
+0x244 LargePageMinimum : 0x200000
+0x248 Reserved2 : [7] 0
+0x264 NtProductType : 3 ( NtProductServer )
+0x268 ProductTypeIsValid : 0x1 ''
+0x26c NtMajorVersion : 5
+0x270 NtMinorVersion : 2
+0x274 ProcessorFeatures : [64] ""
+0x2b4 Reserved1 : 0x7ffeffff
+0x2b8 Reserved3 : 0x80000000
+0x2bc TimeSlip : 0
+0x2c0 AlternativeArchitecture : 0 ( StandardDesign )
+0x2c8 SystemExpirationDate : _LARGE_INTEGER 0x0
+0x2d0 SuiteMask : 0x112
+0x2d4 KdDebuggerEnabled : 0x3 ''
+0x2d5 NXSupportPolicy : 0x2 ''
+0x2d8 ActiveConsoleId : 0
+0x2dc DismountCount : 0
+0x2e0 ComPlusPackage : 0xffffffff
+0x2e4 LastSystemRITEventTickCount : 0x239f29d
+0x2e8 NumberOfPhysicalPages : 0x17f1b
+0x2ec SafeBootMode : 0 ''
+0x2f0 TraceLogging : 0
+0x2f8 TestRetInstruction : 0xc3
+0x300 SystemCall : 0x7c958458 <--------- System Call stub 函数
+0x304 SystemCallReturn : 0x7c95845c <--------- System Call return 函数
+0x308 SystemCallPad : [3] 0
+0x320 TickCount : _KSYSTEM_TIME
+0x320 TickCountQuad : 0x2481d8
+0x330 Cookie : 0xa4a0f27b
+0x334 Wow64SharedInformation : [16] 0
其中 +0x300 位置上就是 KiFastSystemCall() stub 函数地址，而 +0x304 位置上就是返回函数地址：
ntdll!KiFastSystemCall:
7c958458 8bd4 mov edx,esp ; 传送 caller 的 stack frame pointer
7c95845a 0f34 sysenter ; 快速切入到 kernel
7c95845c c3 ret ; 注意：实际上这是一个独立的 ntdll!KiFastSystemCallRet() 例程
地址 0x7c958458 是 ntdll!KiFastSystemCall() 函数地址，地址 0x7c95845c 是 ntdll!KiFastSystemCallRet() 函数地址。
切入 KiFastCallEntry()在用户层的 stub 函数会使用 sysenter 指令切入到内核层的 KiFastCallEntry() 函数，再由 KiFastCallEntry() 函数分发到相应的系统服务例程执行。
到这里就Ring3流程就完了, 归纳下CreateUserProcessA流程
call kernel32!CreateProcesssA
call kernel32!CreateProcessInternalA
call kernel32!CreateProcessInternalW
call 初始工作
call ntdll!NtCreateUserProcess
call SharedUserData!SystemCallStub
call ntdll!KiFastSystemCall
call ntdll!KiFastCallEntry
   1 void __stdcall CreateProcessInternalW(void *a1, _DWORD a2, const wchar_t *a3, int a4, int a5, int a6, int a7, int a8, const WCHAR *a9, int a10, int a11, _DWORD a12)
   2 {
   3     signed int v12; // eax@130
   4     unsigned int v13; // eax@133
   5     const wchar_t *v14; // edi@133
   6     STRSAFE_LPCWSTR v15; // eax@147
   7     const wchar_t v16; // cx@148
   8     PVOID v17; // eax@149
   9     wchar_t *v18; // esi@149
  10     STRSAFE_LPCWSTR v19; // edi@150
  11     int v20; // eax@164
  12     int v21; // edx@164
  13     unsigned int i; // ecx@164
  14     HMODULE v23; // eax@175
  15     PIMAGE_NT_HEADERS v24; // eax@175
  16     _WORD v25; // cx@4
  17     HANDLE v26; // ecx@20
  18     int v27; // edi@23
  19     NTSTATUS v28; // eax@25
  20     HANDLE v29; // eax@29
  21     PVOID v30; // edi@37
  22     DWORD v31; // eax@38
  23     DWORD v32; // esi@38
  24     DWORD v33; // eax@40
  25     int v34; // eax@44
  26     ULONG v35; // eax@67
  27     int v36; // eax@69
  28     struct _RTL_USER_PROCESS_PARAMETERS *v37; // edi@69
  29     int v38; // esi@70
  30     void *v39; // edi@71
  31     NTSTATUS v40; // eax@76
  32     int v41; // eax@107
  33     NTSTATUS v42; // edi@107
  34     int v43; // eax@115
  35     NTSTATUS v44; // esi@115
  36     HANDLE v45; // eax@116
  37     int v46; // esi@118
  38     NTSTATUS v47; // eax@183
  39     int v48; // esi@213
  40     int v49; // eax@214
  41     int v50; // eax@248
  42     _BYTE v51; // al@261
  43     int v52; // edi@268
  44     int v53; // esi@271
  45     signed int v54; // eax@308
  46     NTSTATUS v55; // [sp-4h] [bp-62Ch]@209
  47     signed int v56; // [sp-4h] [bp-62Ch]@235
  48     NTSTATUS v57; // [sp-4h] [bp-62Ch]@158
  49     char v58; // [sp+10h] [bp-618h]@45
  50     char v59; // [sp+28h] [bp-600h]@44
  51     ULONG v60; // [sp+40h] [bp-5E8h]@27
  52     int v61; // [sp+48h] [bp-5E0h]@58
  53     int v62; // [sp+6Ch] [bp-5BCh]@34
  54     unsigned __int32 v63; // [sp+84h] [bp-5A4h]@205
  55     unsigned __int32 v64; // [sp+88h] [bp-5A0h]@153
  56     unsigned __int32 v65; // [sp+8Ch] [bp-59Ch]@327
  57     unsigned __int32 v66; // [sp+90h] [bp-598h]@185
  58     int v67; // [sp+94h] [bp-594h]@69
  59     int v68; // [sp+9Ch] [bp-58Ch]@213
  60     unsigned __int32 v69; // [sp+A0h] [bp-588h]@144
  61     unsigned __int32 v70; // [sp+A4h] [bp-584h]@269
  62     PIMAGE_NT_HEADERS v71; // [sp+A8h] [bp-580h]@175
  63     unsigned __int32 v72; // [sp+ACh] [bp-57Ch]@149
  64     int v73; // [sp+B0h] [bp-578h]@164
  65     unsigned __int32 v74; // [sp+B4h] [bp-574h]@185
  66     unsigned __int32 v75; // [sp+B8h] [bp-570h]@258
  67     unsigned __int32 v76; // [sp+BCh] [bp-56Ch]@141
  68     ULONG Arguments; // [sp+C0h] [bp-568h]@277
  69     unsigned __int32 v78; // [sp+C8h] [bp-560h]@37
  70     WCHAR *v79; // [sp+CCh] [bp-55Ch]@133
  71     unsigned __int32 v80; // [sp+D0h] [bp-558h]@276
  72     unsigned __int32 v81; // [sp+D4h] [bp-554h]@140
  73     char v82; // [sp+D8h] [bp-550h]@19
  74     int v83; // [sp+E8h] [bp-540h]@71
  75     unsigned __int16 v84; // [sp+ECh] [bp-53Ch]@73
  76     unsigned __int16 v85; // [sp+EEh] [bp-53Ah]@73
  77     unsigned int v86; // [sp+F6h] [bp-532h]@92
  78     unsigned __int16 v87; // [sp+F8h] [bp-530h]@87
  79     int v88; // [sp+108h] [bp-520h]@1
  80     HANDLE v89; // [sp+10Ch] [bp-51Ch]@1
  81     int v90; // [sp+110h] [bp-518h]@110
  82     PVOID v91; // [sp+114h] [bp-514h]@110
  83     unsigned __int16 v92; // [sp+118h] [bp-510h]@110
  84     unsigned __int16 v93; // [sp+11Ah] [bp-50Eh]@110
  85     unsigned int v94; // [sp+11Ch] [bp-50Ch]@110
  86     int v95; // [sp+120h] [bp-508h]@110
  87     int v96; // [sp+128h] [bp-500h]@259
  88     int v97; // [sp+12Ch] [bp-4FCh]@259
  89     int v98; // [sp+130h] [bp-4F8h]@127
  90     ULONG v99; // [sp+134h] [bp-4F4h]@37
  91     DWORD v100; // [sp+138h] [bp-4F0h]@40
  92     int v101; // [sp+13Ch] [bp-4ECh]@45
  93     ULONG ReturnLength; // [sp+140h] [bp-4E8h]@143
  94     int v103; // [sp+144h] [bp-4E4h]@118
  95     int v104; // [sp+148h] [bp-4E0h]@300
  96     DWORD v105; // [sp+14Ch] [bp-4DCh]@38
  97     unsigned int v106; // [sp+150h] [bp-4D8h]@271
  98     STRING AnsiString; // [sp+154h] [bp-4D4h]@4
  99     LPWSTR FilePart; // [sp+15Ch] [bp-4CCh]@4
 100     UNICODE_STRING SourceString; // [sp+160h] [bp-4C8h]@4
 101     BOOL Result; // [sp+168h] [bp-4C0h]@31
 102     ULONG Flags; // [sp+16Ch] [bp-4BCh]@156
 103     int TokenInformation; // [sp+170h] [bp-4B8h]@143
 104     unsigned int v113; // [sp+174h] [bp-4B4h]@165
 105     int v114; // [sp+178h] [bp-4B0h]@86
 106     int v115; // [sp+17Ch] [bp-4ACh]@46
 107     ULONG MessageBoxResult; // [sp+180h] [bp-4A8h]@277
 108     int v117; // [sp+184h] [bp-4A4h]@1
 109     int v118; // [sp+188h] [bp-4A0h]@44
 110     int v119; // [sp+18Ch] [bp-49Ch]@1
 111     ULONG v120; // [sp+190h] [bp-498h]@67
 112     int v121; // [sp+194h] [bp-494h]@53
 113     int v122; // [sp+198h] [bp-490h]@128
 114     void *v123; // [sp+19Ch] [bp-48Ch]@53
 115     int v124; // [sp+1A0h] [bp-488h]@58
 116     void *v125; // [sp+1A4h] [bp-484h]@71
 117     int v126; // [sp+1B8h] [bp-470h]@92
 118     int v127; // [sp+1BCh] [bp-46Ch]@83
 119     int v128; // [sp+1C0h] [bp-468h]@93
 120     int v129; // [sp+1C4h] [bp-464h]@93
 121     int v130; // [sp+1CCh] [bp-45Ch]@75
 122     int v131; // [sp+1D0h] [bp-458h]@75
 123     int v132; // [sp+1D4h] [bp-454h]@75
 124     int v133; // [sp+1DCh] [bp-44Ch]@164
 125     int v134; // [sp+1E0h] [bp-448h]@164
 126     int v135; // [sp+1E4h] [bp-444h]@1
 127     int v136; // [sp+1E8h] [bp-440h]@92
 128     int v137; // [sp+1ECh] [bp-43Ch]@4
 129     int v138; // [sp+1F0h] [bp-438h]@4
 130     int v139; // [sp+1F4h] [bp-434h]@4
 131     int v140; // [sp+1F8h] [bp-430h]@19
 132     int v141; // [sp+1FCh] [bp-42Ch]@93
 133     int v142; // [sp+200h] [bp-428h]@203
 134     NTSTATUS v143; // [sp+204h] [bp-424h]@203
 135     int v144; // [sp+208h] [bp-420h]@51
 136     PVOID BaseAddress; // [sp+20Ch] [bp-41Ch]@171
 137     int v146; // [sp+210h] [bp-418h]@4
 138     char v147[4]; // [sp+214h] [bp-414h]@4
 139     unsigned int v148; // [sp+218h] [bp-410h]@1
 140     HANDLE v149; // [sp+21Ch] [bp-40Ch]@268
 141     int v150; // [sp+220h] [bp-408h]@4
 142     int v151; // [sp+224h] [bp-404h]@1
 143     int v152; // [sp+228h] [bp-400h]@60
 144     int v153; // [sp+230h] [bp-3F8h]@83
 145     char v154[4]; // [sp+234h] [bp-3F4h]@4
 146     ULONG BufferLength; // [sp+238h] [bp-3F0h]@4
 147     int v156; // [sp+23Ch] [bp-3ECh]@4
 148     int v157; // [sp+240h] [bp-3E8h]@4
 149     LPCWSTR v158; // [sp+244h] [bp-3E4h]@1
 150     ULONG v159; // [sp+248h] [bp-3E0h]@51
 151     HANDLE v160; // [sp+24Ch] [bp-3DCh]@4
 152     PVOID v161; // [sp+250h] [bp-3D8h]@4
 153     int v162; // [sp+254h] [bp-3D4h]@1
 154     LSA_UNICODE_STRING v163; // [sp+258h] [bp-3D0h]@4
 155     int v164; // [sp+260h] [bp-3C8h]@66
 156     NTSTATUS v165; // [sp+264h] [bp-3C4h]@69
 157     PVOID Environment; // [sp+268h] [bp-3C0h]@1
 158     int v167; // [sp+26Ch] [bp-3BCh]@4
 159     int v168; // [sp+270h] [bp-3B8h]@1
 160     PVOID v169; // [sp+274h] [bp-3B4h]@4
 161     PVOID v170; // [sp+278h] [bp-3B0h]@4
 162     int v171; // [sp+27Ch] [bp-3ACh]@4
 163     int v172; // [sp+284h] [bp-3A4h]@4
 164     char v173[4]; // [sp+288h] [bp-3A0h]@4
 165     PVOID Buffer; // [sp+28Ch] [bp-39Ch]@4
 166     int v175; // [sp+290h] [bp-398h]@1
 167     int v176; // [sp+294h] [bp-394h]@4
 168     HANDLE v177; // [sp+298h] [bp-390h]@4
 169     PVOID v178; // [sp+29Ch] [bp-38Ch]@4
 170     PVOID v179; // [sp+2A0h] [bp-388h]@4
 171     NTSTATUS ExitStatus; // [sp+2A4h] [bp-384h]@4
 172     int v181; // [sp+2A8h] [bp-380h]@70
 173     PVOID v182; // [sp+2ACh] [bp-37Ch]@1
 174     int v183; // [sp+2B0h] [bp-378h]@4
 175     ULONG Size; // [sp+2B4h] [bp-374h]@149
 176     LSA_UNICODE_STRING UnicodeString; // [sp+2B8h] [bp-370h]@1
 177     LPCWSTR lpPath; // [sp+2C0h] [bp-368h]@1
 178     int v187; // [sp+2C4h] [bp-364h]@1
 179     int ProcessInformation; // [sp+2C8h] [bp-360h]@88
 180     HANDLE TokenHandle; // [sp+2CCh] [bp-35Ch]@1
 181     PVOID Address; // [sp+2D0h] [bp-358h]@4
 182     int v191; // [sp+2D4h] [bp-354h]@1
 183     HANDLE v192; // [sp+2D8h] [bp-350h]@4
 184     char v193; // [sp+2DDh] [bp-34Bh]@60
 185     char v194; // [sp+2DFh] [bp-349h]@224
 186     STRSAFE_LPCWSTR v195; // [sp+2E0h] [bp-348h]@1
 187     HANDLE ThreadHandle; // [sp+2E4h] [bp-344h]@4
 188     NTSTATUS v197; // [sp+2E8h] [bp-340h]@76
 189     int v198; // [sp+2ECh] [bp-33Ch]@4
 190     int v199; // [sp+2F0h] [bp-338h]@1
 191     HANDLE Handle; // [sp+2F4h] [bp-334h]@4
 192     char v201; // [sp+2FAh] [bp-32Eh]@4
 193     char v202; // [sp+2FBh] [bp-32Dh]@4
 194     STRSAFE_LPCWSTR pszSrc; // [sp+2FCh] [bp-32Ch]@1
 195     char Str[6]; // [sp+302h] [bp-326h]@1
 196     HANDLE ProcessHandle; // [sp+308h] [bp-320h]@4
 197     char v206; // [sp+30Eh] [bp-31Ah]@4
 198     char v207; // [sp+30Fh] [bp-319h]@14
 199     int v208; // [sp+310h] [bp-318h]@19
 200     int v209; // [sp+314h] [bp-314h]@1
 201     char Dst; // [sp+318h] [bp-310h]@4
 202     int v211; // [sp+418h] [bp-210h]@102
 203     NTSTATUS NtStatus; // [sp+438h] [bp-1F0h]@102
 204     void *v213; // [sp+440h] [bp-1E8h]@93
 205     HANDLE v214; // [sp+444h] [bp-1E4h]@93
 206     int v215; // [sp+448h] [bp-1E0h]@93
 207     int v216; // [sp+44Ch] [bp-1DCh]@93
 208     int v217; // [sp+450h] [bp-1D8h]@93
 209     int v218; // [sp+454h] [bp-1D4h]@98
 210     int v219; // [sp+458h] [bp-1D0h]@310
 211     signed int v220; // [sp+45Ch] [bp-1CCh]@310
 212     _DWORD v221; // [sp+460h] [bp-1C8h]@87
 213     int v222; // [sp+464h] [bp-1C4h]@92
 214     _DWORD v223; // [sp+4C8h] [bp-160h]@107
 215     _DWORD v224; // [sp+4D4h] [bp-154h]@110
 216     _DWORD v225; // [sp+4E0h] [bp-148h]@107
 217     int v226; // [sp+4E8h] [bp-140h]@93
 218     int v227; // [sp+4ECh] [bp-13Ch]@93
 219     int v228; // [sp+4F0h] [bp-138h]@93
 220     _WORD v229; // [sp+4F4h] [bp-134h]@93
 221     int v230; // [sp+4F8h] [bp-130h]@70
 222     int v231; // [sp+4FCh] [bp-12Ch]@19
 223     int v232; // [sp+500h] [bp-128h]@70
 224     PWSTR v233; // [sp+504h] [bp-124h]@70
 225     int v234; // [sp+508h] [bp-120h]@19
 226     int v235; // [sp+50Ch] [bp-11Ch]@19
 227     int v236; // [sp+510h] [bp-118h]@19
 228     int *v237; // [sp+514h] [bp-114h]@19
 229     int v238; // [sp+518h] [bp-110h]@19
 230     int v239; // [sp+51Ch] [bp-10Ch]@19
 231     int v240; // [sp+520h] [bp-108h]@19
 232     char *v241; // [sp+524h] [bp-104h]@19
 233     int v242; // [sp+528h] [bp-100h]@19
 234     int v243; // [sp+52Ch] [bp-FCh]@252
 235     int v244; // [sp+530h] [bp-F8h]@252
 236     int v245; // [sp+534h] [bp-F4h]@252
 237     int v246; // [sp+538h] [bp-F0h]@252
 238     CPPEH_RECORD ms_exc; // [sp+610h] [bp-18h]@23
 239 
 240     TokenHandle = a1;
 241     *(_DWORD *)&Str[2] = a2;
 242     pszSrc = a3;
 243     v119 = a4;
 244     v117 = a5;
 245     v187 = a8;
 246     v158 = a9;
 247     v135 = a10;
 248     v175 = a11;
 249     v209 = 0;
 250     v195 = 0;
 251     v151 = 0;
 252     v168 = 0;
 253     v199 = 0;
 254     v191 = 0;
 255     Environment = 0;
 256     v182 = 0;
 257     v162 = 0;
 258     lpPath = 0;
 259     UnicodeString.Length = 0;
 260     *(_DWORD *)&UnicodeString.MaximumLength = 0;
 261     HIWORD(UnicodeString.Buffer) = 0;
 262     v88 = 0;
 263     memset(&v89, 0, 0x1Cu);
 264     v148 = 0;
 265     if ( !a2 && !a3 )
 266     {
 267         v57 = -1073741776;
 268 LABEL_333:
 269         BaseSetLastNTError(v57);
 270         return;
 271     }
 272     if ( !v175 || !v135 )
 273     {
 274         v57 = -1073741811;
 275         goto LABEL_333;
 276     }
 277     v192 = 0;
 278     Handle = 0;
 279     v177 = 0;
 280     ProcessHandle = 0;
 281     ThreadHandle = 0;
 282     v183 = 0;
 283     Address = 0;
 284     v178 = 0;
 285     v172 = 0;
 286     v167 = 0;
 287     v161 = 0;
 288     FilePart = 0;
 289     v163.Buffer = 0;
 290     Str[0] = 0;
 291     v202 = 0;
 292     v206 = 0;
 293     v201 = 0;
 294     v160 = 0;
 295     v179 = 0;
 296     Buffer = 0;
 297     BufferLength = 0;
 298     v170 = 0;
 299     v156 = 0;
 300     v169 = 0;
 301     v150 = 0;
 302     *(_DWORD *)v173 = 0;
 303     *(_DWORD *)v154 = 0;
 304     v146 = 0;
 305     *(_DWORD *)v147 = 0;
 306     v171 = 0;
 307     ExitStatus = 0;
 308     v198 = 0;
 309     v157 = 0;
 310     v137 = 0;
 311     v138 = 0;
 312     v139 = 0;
 313     AnsiString.Buffer = 0;
 314     SourceString.Buffer = 0;
 315     memset(&Dst, 0, 0x100u);
 316     v176 = *(_DWORD *)(__readfsdword(24) + 48);
 317     v25 = a7;
 318     if ( (a7 & 0x18) == 24 )
 319         goto LABEL_242;
 320     if ( a7 & 0x800 )
 321     {
 322         if ( !(a7 & 0x1000) )
 323             goto LABEL_8;
 324 LABEL_242:
 325         RtlSetLastWin32Error(87);
 326         return;
 327     }
 328     if ( !(a7 & 0x1000) && *(_BYTE *)(BaseStaticServerData + 1872) )
 329     {
 330         v25 = a7 | 0x800;
 331         a7 |= 0x800u;
 332     }
 333 LABEL_8:
 334     if ( v25 & 0x40 )
 335     {
 336         v207 = 1;
 337     }
 338     else
 339     {
 340         if ( v25 & 0x4000 )
 341         {
 342             v207 = 5;
 343         }
 344         else
 345         {
 346             if ( v25 & 0x20 )
 347             {
 348                 v207 = 2;
 349             }
 350             else
 351             {
 352                 if ( v25 & 0x8000 )
 353                 {
 354                     v207 = 6;
 355                 }
 356                 else
 357                 {
 358                     if ( (char)v25 < 0 )
 359                     {
 360                         v207 = 3;
 361                     }
 362                     else
 363                     {
 364                         if ( v25 & 0x100 )
 365                             v207 = (BasepIsRealtimeAllowed(0, TokenHandle != 0) != 0) + 3;
 366                         else
 367                             v207 = 0;
 368                     }
 369                 }
 370             }
 371         }
 372     }
 373     a7 &= 0xFFFF3E1Fu;
 374     if ( a7 & 0x40000 )
 375         v198 = 64;
 376     if ( a7 & 0x1000000 )
 377         v198 |= 1u;
 378     if ( a7 & 0x10000 )
 379         v198 |= 0x100u;
 380     if ( a7 & 3 )
 381     {
 382         v50 = DbgUiConnectToDbg();
 383         if ( v50 < 0 )
 384         {
 385             v57 = v50;
 386             goto LABEL_333;
 387         }
 388         v183 = DbgUiGetThreadDebugObject();
 389         if ( a7 & 2 )
 390             v198 |= 2u;
 391     }
 392     v231 = 131077;
 393     v234 = 0;
 394     v235 = 65539;
 395     v236 = 8;
 396     v238 = 0;
 397     v237 = &v140;
 398     v239 = 6;
 399     v240 = 48;
 400     v242 = 0;
 401     v241 = &v82;
 402     v208 = 3;
 403     if ( v183 )
 404     {
 405         v243 = 393217;
 406         v244 = 4;
 407         v246 = 0;
 408         v245 = v183;
 409         v208 = 4;
 410     }
 411     v26 = TokenHandle;
 412     if ( TokenHandle )
 413     {
 414         *(&v231 + 4 * v208) = 393218;
 415         *(&v232 + 4 * v208) = 4;
 416         *(&v234 + 4 * v208) = 0;
 417         (&v233)[8 * v208++] = (PWSTR)v26;
 418     }
 419     if ( v207 )
 420     {
 421         *(&v231 + 4 * v208) = 131080;
 422         *(&v232 + 4 * v208) = 1;
 423         *(&v234 + 4 * v208) = 0;
 424         (&v233)[8 * v208++] = (PWSTR)&v207;
 425     }
 426     if ( a7 & 0x4000000 )
 427     {
 428         v98 = 1;
 429         *(&v231 + 4 * v208) = 131081;
 430         *(&v232 + 4 * v208) = 4;
 431         *(&v234 + 4 * v208) = 0;
 432         (&v233)[8 * v208++] = (PWSTR)&v98;
 433     }
 434     ms_exc.registration.TryLevel = 0;
 435     v27 = v175;
 436     *(_DWORD *)v175 = 0;
 437     v27 += 4;
 438     *(_DWORD *)v27 = 0;
 439     v27 += 4;
 440     *(_DWORD *)v27 = 0;
 441     *(_DWORD *)(v27 + 4) = 0;
 442     if ( v187 && !(a7 & 0x400) )
 443     {
 444         v28 = RtlCreateEnvironmentEx(v187, &Environment, 1);
 445         if ( v28 < 0 )
 446         {
 447             BaseSetLastNTError(v28);
 448             _local_unwind4(&__security_cookie, &ms_exc.registration, -2);
 449             return;
 450         }
 451         v187 = Environment;
 452         a7 |= 0x400u;
 453     }
 454     memcpy(&v60, (const void *)v135, 0x44u);
 455     if ( a7 & 0x80000 )
 456     {
 457         if ( v60 != 72 )
 458         {
 459             v55 = -1073741811;
 460 LABEL_210:
 461             BaseSetLastNTError(v55);
 462             goto LABEL_211;
 463         }
 464         v48 = *(_DWORD *)(v135 + 68);
 465         v68 = v48;
 466         if ( v48 )
 467         {
 468             v49 = KernelBaseGetGlobalData();
 469             v34 = (*(int (__stdcall **)(int, _DWORD, int *, HANDLE *, int *, int *, signed int))(v49 + 40))(
 470                 v48,
 471                 0,
 472                 &v157,
 473                 &v160,
 474                 &v230,
 475                 &v208,
 476                 15);
 477             if ( v34 < 0 )
 478                 goto LABEL_234;
 479         }
 480     }
 481     if ( !(a7 & 0x800) )
 482     {
 483         v29 = v160;
 484         if ( !v160 )
 485             v29 = (HANDLE)-1;
 486         if ( IsProcessInJob(v29, 0, &Result) && Result )
 487             a7 = a7 & 0xFFFFEFFF | 0x800;
 488     }
 489     if ( v62 & 0x100 && v62 & 0x600 )
 490         v62 &= 0xFFFFFEFFu;
 491     if ( !v158 )
 492         goto LABEL_44;
 493     v99 = *(_DWORD *)(KernelBaseGetGlobalData() + 44);
 494     v78 = __readfsdword(24);
 495     v30 = RtlAllocateHeap(*(HANDLE *)(*(_DWORD *)(v78 + 48) + 24), v99, 0x20Au);
 496     v161 = v30;
 497     if ( !v30 )
 498     {
 499         v55 = -1073741801;
 500         goto LABEL_210;
 501     }
 502     v31 = GetFullPathNameW(v158, 0x103u, (LPWSTR)v30, &FilePart);
 503     v32 = v31;
 504     v105 = v31;
 505     if ( v31 >= 0x104 )
 506         goto LABEL_235;
 507     if ( !v31 )
 508     {
 509 LABEL_211:
 510         v209 = 0;
 511 LABEL_121:
 512         ms_exc.registration.TryLevel = -2;
 513         if ( v178 )
 514         {
 515             v65 = __readfsdword(24);
 516             RtlFreeHeap(*(HANDLE *)(*(_DWORD *)(v65 + 48) + 24), 0, v178);
 517         }
 518         if ( v182 )
 519         {
 520             v63 = __readfsdword(24);
 521             RtlFreeHeap(*(HANDLE *)(*(_DWORD *)(v63 + 48) + 24), 0, v182);
 522         }
 523         RtlFreeUnicodeString(&UnicodeString);
 524         if ( !v191 )
 525             BasepReleaseSxsCreateProcessUtilityStruct(&Dst);
 526         if ( Environment )
 527         {
 528             RtlDestroyEnvironment(Environment);
 529             v197 = v47;
 530         }
 531         if ( v179 )
 532         {
 533             v64 = __readfsdword(24);
 534             RtlFreeHeap(*(HANDLE *)(*(_DWORD *)(v64 + 48) + 24), 0, v179);
 535         }
 536         v74 = __readfsdword(24);
 537         RtlFreeHeap(*(HANDLE *)(*(_DWORD *)(v74 + 48) + 24), 0, Address);
 538         v66 = __readfsdword(24);
 539         RtlFreeHeap(*(HANDLE *)(*(_DWORD *)(v66 + 48) + 24), 0, v161);
 540         if ( Handle )
 541             v197 = NtClose(Handle);
 542         if ( v177 )
 543             v197 = NtClose(v177);
 544         if ( ThreadHandle )
 545         {
 546             if ( v183 )
 547                 NtRemoveProcessDebug(ProcessHandle, v183);
 548             NtTerminateProcess(ProcessHandle, ExitStatus);
 549             NtWaitForSingleObject(ProcessHandle, 0, 0);
 550             v197 = NtClose(ThreadHandle);
 551         }
 552         if ( ProcessHandle )
 553             v197 = NtClose(ProcessHandle);
 554         BasepFreeAppCompatData(Buffer, v170, v169);
 555         RtlFreeUnicodeString(&v163);
 556         if ( AnsiString.Buffer || SourceString.Buffer )
 557             BaseDestroyVDMEnvironment(&AnsiString, (int)&SourceString);
 558         if ( v199 )
 559         {
 560             if ( !(v199 & 8) )
 561             {
 562                 BaseUpdateVDMEntry(0, &v168, v199, v191);
 563                 if ( v192 )
 564                     v197 = NtClose(v192);
 565             }
 566         }
 567         if ( lpPath )
 568             BaseReleaseProcessExePath(lpPath, v162);
 569         if ( v172 )
 570         {
 571             CsrFreeCaptureBuffer(v172);
 572             v172 = 0;
 573         }
 574         return;
 575     }
 576     v33 = GetFileAttributesW((LPCWSTR)v30);
 577     v100 = v33;
 578     if ( v33 == -1 || !(v33 & 0x10) )
 579     {
 580 LABEL_235:
 581         v56 = 267;
 582 LABEL_257:
 583         RtlSetLastWin32Error(v56);
 584         goto LABEL_211;
 585     }
 586     if ( *((_WORD *)v30 + v32 - 1) != 92 )
 587     {
 588         *((_WORD *)v30 + v32) = 92;
 589         v105 = v32 + 1;
 590         *((_WORD *)v30 + v32 + 1) = 0;
 591     }
 592 LABEL_44:
 593     v34 = BaseFormatObjectAttributes(&v59, v119, 0, &v118);
 594     if ( v34 < 0 || (v34 = BaseFormatObjectAttributes(&v58, v117, 0, &v101), v34 < 0) )
 595         goto LABEL_234;
 596     v115 = v208;
 597     while ( 1 )
 598     {
 599         while ( 1 )
 600         {
 601             v208 = v115;
 602             if ( Address )
 603             {
 604                 v81 = __readfsdword(24);
 605                 RtlFreeHeap(*(HANDLE *)(*(_DWORD *)(v81 + 48) + 24), 0, Address);
 606                 Address = 0;
 607             }
 608             if ( v182 )
 609             {
 610                 v76 = __readfsdword(24);
 611                 RtlFreeHeap(*(HANDLE *)(*(_DWORD *)(v76 + 48) + 24), 0, v182);
 612                 v182 = 0;
 613             }
 614             RtlFreeUnicodeString(&UnicodeString);
 615             if ( v179 )
 616             {
 617                 v75 = __readfsdword(24);
 618                 RtlFreeHeap(*(HANDLE *)(*(_DWORD *)(v75 + 48) + 24), 0, v179);
 619                 v179 = 0;
 620             }
 621             if ( Handle )
 622             {
 623                 v197 = NtClose(Handle);
 624                 Handle = 0;
 625             }
 626             v144 = 0;
 627             v159 = 0;
 628             if ( a6 )
 629                 v198 |= 4u;
 630             else
 631                 v198 &= 0xFFFFFFFBu;
 632             memset(&v121, 0, 0x48u);
 633             v121 = 72;
 634             LOBYTE(v123) = (unsigned __int8)v123 | 2;
 635             if ( !v191 && !a6 && !(v62 & 0x100) && !v160 && !(a7 & 0x8000018) )
 636             {
 637                 v134 = 3;
 638                 v20 = (v133 & 0xFFFFFFFD | 1) & 0xFFFFFFE3;
 639                 v133 = (v133 & 0xFFFFFFFD | 1) & 0xFFFFFFE3;
 640                 v21 = *(_DWORD *)(v176 + 16) + 24;
 641                 v73 = *(_DWORD *)(v176 + 16) + 24;
 642                 for ( i = 0; ; ++i )
 643                 {
 644                     v113 = i;
 645                     if ( i >= 3 )
 646                         break;
 647                     if ( (*(_DWORD *)(v21 + 4 * i) & 0x10000003) == 3 )
 648                     {
 649                         v20 ^= ((unsigned __int8)v20 ^ (unsigned __int8)(v20 | (unsigned __int8)(4 * (1 << i)))) & 0x1C;
 650                         v133 = v20;
 651                     }
 652                 }
 653                 *(&v230 + 4 * v208 + 1) = 131082;
 654                 *(&v230 + 4 * v208 + 2) = 8;
 655                 *(&v230 + 4 * (v208 + 1)) = 0;
 656                 *(&v230 + 4 * v208++ + 3) = (int)&v133;
 657             }
 658             if ( v167 )
 659             {
 660                 *(&v230 + 4 * v208 + 1) = 131079;
 661                 *(&v230 + 4 * v208 + 2) = 8;
 662                 *(&v230 + 4 * (v208 + 1)) = 0;
 663                 *(&v230 + 4 * v208++ + 3) = (int)&v96;
 664                 v96 = 1;
 665                 v97 = v167;
 666             }
 667             if ( a7 & 3 && !*(_BYTE *)(v176 + 1) )
 668             {
 669                 v51 = BYTE1(v123) & 0xFE | 2;
 670 LABEL_263:
 671                 BYTE1(v123) = v51;
 672                 goto LABEL_58;
 673             }
 674             if ( v201 )
 675             {
 676                 v201 = 0;
 677                 v51 = BYTE1(v123) & 0xFD | 1;
 678                 goto LABEL_263;
 679             }
 680 LABEL_58:
 681             LOBYTE(v123) = (unsigned __int8)v123 | 1;
 682             HIWORD(v123) = 8192;
 683             v124 = 129;
 684             if ( !v61 )
 685                 v61 = *(_DWORD *)(*(_DWORD *)(v176 + 16) + 124);
 686             Str[1] = 0;
 687             v193 = 0;
 688             v152 = 1;
 689             if ( !*(_DWORD *)&Str[2] )
 690             {
 691                 Flags = *(_DWORD *)(KernelBaseGetGlobalData() + 44);
 692                 JUMPOUT(*(int *)sub_77E16F12);
 693             }
 694             if ( !pszSrc || !*pszSrc )
 695             {
 696                 v193 = 1;
 697                 pszSrc = *(STRSAFE_LPCWSTR *)&Str[2];
 698             }
 699             if ( Str[1] || v193 )
 700             {
 701                 v15 = pszSrc;
 702                 do
 703                 {
 704                     v16 = *v15;
 705                     ++v15;
 706                 }
 707                 while ( v16 );
 708                 Size = 2 * (v15 - (pszSrc + 1)) + 6;
 709                 v72 = __readfsdword(24);
 710                 v17 = RtlAllocateHeap(*(HANDLE *)(*(_DWORD *)(v72 + 48) + 24), 0, Size);
 711                 v18 = v17;
 712                 v179 = v17;
 713                 if ( v17 )
 714                 {
 715                     StringCbCopyW((STRSAFE_LPWSTR)v17, Size, L""");
 716                     v19 = v195;
 717                     if ( Str[1] )
 718                     {
 719                         v151 = *v195;
 720                         *v195 = 0;
 721                     }
 722                     StringCbCatW(v18, Size, pszSrc);
 723                     StringCbCatW(v18, Size, L""");
 724                     if ( Str[1] )
 725                     {
 726                         *v19 = v151;
 727                         StringCbCatW(v18, Size, v19);
 728                     }
 729                     pszSrc = v18;
 730                 }
 731             }
 732             if ( !RtlDosPathNameToNtPathName_U(*(PWSTR *)&Str[2], &UnicodeString, 0, 0) )
 733             {
 734                 v56 = 3;
 735                 goto LABEL_257;
 736             }
 737             v34 = RtlInitUnicodeStringEx(&v164, *(_DWORD *)&Str[2]);
 738             if ( v34 < 0 )
 739                 goto LABEL_234;
 740             v35 = RtlDetermineDosPathNameType_U(*(PWSTR *)&Str[2]);
 741             v120 = v35;
 742             if ( v35 != 2 && v35 != 6 && v35 != 7 && v35 != 1 || BasepCheckForInvalidPathSeparator(*(wchar_t **)&Str[2]) )
 743             {
 744                 v142 = 0;
 745                 v143 = 0;
 746                 v34 = RtlGetFullPathName_UstrEx(&v164, 0, &v142, 0, 0, 0, &v120, 0);
 747                 if ( v34 < 0 )
 748                     goto LABEL_234;
 749                 v164 = v142;
 750                 v165 = v143;
 751                 v182 = (PVOID)v143;
 752                 v143 = 0;
 753             }
 754             v36 = BasepCreateProcessParameters(*(int *)&Str[2], v165, v161, pszSrc, v187, (int)&v60, a7, a6);
 755             v37 = (struct _RTL_USER_PROCESS_PARAMETERS *)v36;
 756             v67 = v36;
 757             if ( !v36 )
 758                 goto LABEL_211;
 759             v233 = UnicodeString.Buffer;
 760             v232 = UnicodeString.Length;
 761             v230 = 16 * v208 + 4;
 762             v38 = NtCreateUserProcess(
 763                 &ProcessHandle,
 764                 &ThreadHandle,
 765                 33554432,
 766                 33554432,
 767                 v118,
 768                 v101,
 769                 v198,
 770                 1,
 771                 v36,
 772                 &v121,
 773                 &v230);
 774             v181 = v38;
 775             RtlDestroyProcessParameters(v37);
 776             if ( v38 >= 0 )
 777                 break;
 778             ProcessHandle = 0;
 779             ThreadHandle = 0;
 780             if ( !v122 )
 781                 goto LABEL_209;
 782             if ( v122 == 1 )
 783             {
 784                 if ( !RtlIsDosDeviceName_U(*(PWSTR *)&Str[2]) )
 785                 {
 786 LABEL_209:
 787                     v55 = v38;
 788                     goto LABEL_210;
 789                 }
 790                 v56 = 1200;
 791                 goto LABEL_257;
 792             }
 793             if ( v122 == 2 )
 794             {
 795                 Handle = v123;
 796                 if ( v38 == -1073741790 )
 797                 {
 798                     v56 = 5;
 799                     goto LABEL_257;
 800                 }
 801                 v12 = -1073741521;
 802                 if ( v206 )
 803                     goto LABEL_209;
 804                 if ( v38 == -1073741521 )
 805                 {
 806                     if ( UnicodeString.Length >= 8u )
 807                     {
 808                         v13 = (unsigned int)UnicodeString.Length >> 1;
 809                         v14 = &UnicodeString.Buffer[v13 - 4];
 810                         v79 = &UnicodeString.Buffer[v13 - 4];
 811                         if ( !__wcsnicmp(&UnicodeString.Buffer[v13 - 4], L".bat", 4u) || !__wcsnicmp(v14, L".cmd", 4u) )
 812                         {
 813                             v202 = 1;
 814                             v209 = BasepQueryAppCompat(
 815                                 0,
 816                                 0,
 817                                 0,
 818                                 0,
 819                                 Handle,
 820                                 UnicodeString.Buffer,
 821                                 v187,
 822                                 &v169,
 823                                 &v150,
 824                                 &v170,
 825                                 &v156,
 826                                 v154,
 827                                 &v146,
 828                                 &v171,
 829                                 &v144,
 830                                 &v159,
 831                                 &v148);
 832                             if ( !v209 )
 833                                 goto LABEL_121;
 834                             if ( !BuildSubSysCommandLine(v152, (int)L"cmd /c", 0, pszSrc, &v163) )
 835                                 goto LABEL_211;
 836                             pszSrc = v163.Buffer;
 837                             *(_DWORD *)&Str[2] = 0;
 838                             goto LABEL_138;
 839                         }
 840                         v12 = -1073741521;
 841                     }
 842                 }
 843                 else
 844                 {
 845                     if ( v206 )
 846                         goto LABEL_209;
 847                 }
 848                 if ( !(a7 & 0x2000000) )
 849                 {
 850                     v194 = 1;
 851                     if ( v38 != -1073741541 )
 852                     {
 853                         if ( v38 == v12 )
 854                         {
 855                             if ( !BaseIsDosApplication(&UnicodeString, v12) )
 856                                 goto LABEL_227;
 857                         }
 858                         else
 859                         {
 860                             if ( v38 <= v12 || v38 > -1073741519 && v38 != -1073741209 )
 861 LABEL_227:
 862                             v194 = 0;
 863                         }
 864                     }
 865                     if ( v194 )
 866                     {
 867                         v34 = BasepCheckWinSaferRestrictions(TokenHandle, *(_DWORD *)&Str[2], Handle);
 868                         v114 = v34;
 869                         if ( v34 < 0 )
 870                             goto LABEL_234;
 871                     }
 872                 }
 873                 v209 = BasepProcessInvalidImage(
 874                     v38,
 875                     TokenHandle,
 876                     (LPCWSTR)v165,
 877                     (int)&Str[2],
 878                     (NTSTATUS)&pszSrc,
 879                     v158,
 880                     (int)&a7,
 881                     (int)&a6,
 882                     (int)&UnicodeString,
 883                     (int)Str,
 884                     (int)&v187,
 885                     (ULONG)&v60,
 886                     (int)&v211,
 887                     (int)&v168,
 888                     &v163,
 889                     &AnsiString,
 890                     &SourceString,
 891                     (int)&v199,
 892                     (int)&v191,
 893                     (int)&v167,
 894                     (int)&v192);
 895                 if ( !v209 )
 896                     goto LABEL_121;
 897                 v45 = v192;
 898                 if ( v192 )
 899                     goto LABEL_117;
 900                 goto LABEL_138;
 901             }
 902             if ( v122 == 3 )
 903                 goto LABEL_279;
 904             if ( v122 == 4 )
 905             {
 906                 MessageBoxResult = 6;
 907                 Arguments = (ULONG)&UnicodeString;
 908                 NtRaiseHardError(1073741859, 1u, 1u, &Arguments, 1u, &MessageBoxResult);
 909                 if ( *(_DWORD *)(v176 + 184) > 3u )
 910                 {
 911                     v56 = 216;
 912                     goto LABEL_257;
 913                 }
 914                 goto LABEL_279;
 915             }
 916             if ( v122 != 5 )
 917                 break;
 918             v149 = v123;
 919             v52 = v178;
 920             if ( !v178 )
 921             {
 922                 v70 = __readfsdword(24);
 923                 v52 = RtlAllocateHeap(*(HANDLE *)(*(_DWORD *)(v70 + 48) + 24), 0, 0x20Au);
 924                 v178 = (PVOID)v52;
 925                 if ( !v52 )
 926                 {
 927                     v197 = NtClose(v149);
 928                     v56 = 8;
 929                     goto LABEL_257;
 930                 }
 931             }
 932             v53 = LdrQueryImageFileKeyOption(v149, L"Debugger", 1, v52, 520, &v106);
 933             v197 = NtClose(v149);
 934             if ( v53 >= 0 && v106 >= 2 && *(_WORD *)v52 )
 935             {
 936                 *(_WORD *)(v52 + 520) = 0;
 937                 if ( !BuildSubSysCommandLine(3, v52, 0, pszSrc, &v163) )
 938                     goto LABEL_211;
 939                 pszSrc = v163.Buffer;
 940                 *(_DWORD *)&Str[2] = 0;
 941             }
 942             else
 943             {
 944                 v80 = __readfsdword(24);
 945                 RtlFreeHeap(*(HANDLE *)(*(_DWORD *)(v80 + 48) + 24), 0, v178);
 946                 v178 = 0;
 947                 v201 = 1;
 948             }
 949         }
 950         Handle = (HANDLE)v124;
 951         v39 = v125;
 952         v177 = v125;
 953         if ( v83 == 2 )
 954             break;
 955         if ( v83 == 3 )
 956             break;
 957         if ( v83 != 7 )
 958         {
 959             v56 = 129;
 960             goto LABEL_257;
 961         }
 962         if ( !BuildSubSysCommandLine(2, (int)L"POSIX /P", *(int *)&Str[2], pszSrc, &v163) )
 963             goto LABEL_211;
 964         pszSrc = v163.Buffer;
 965         *(_DWORD *)&Str[2] = 0;
 966         if ( v183 )
 967             NtRemoveProcessDebug(ProcessHandle, v183);
 968         NtTerminateProcess(ProcessHandle, ExitStatus);
 969         NtWaitForSingleObject(ProcessHandle, 0, 0);
 970         NtClose(ProcessHandle);
 971         ProcessHandle = 0;
 972         NtClose(ThreadHandle);
 973         ThreadHandle = 0;
 974         NtClose(v39);
 975         v177 = 0;
 976         v197 = NtClose(Handle);
 977         Handle = 0;
 978 LABEL_138:
 979         v206 = 1;
 980     }
 981     if ( !BasepCheckImageVersion(v85, v84) )
 982     {
 983 LABEL_279:
 984         v56 = 193;
 985         goto LABEL_257;
 986     }
 987     if ( (unsigned __int8)v123 & 8 )
 988     {
 989         v137 = v130;
 990         v138 = v131;
 991         v139 = v132;
 992     }
 993     v40 = BasepCheckWebBladeHashes(v124);
 994     v197 = v40;
 995     if ( v40 == -1073741790 )
 996     {
 997         v56 = 1277;
 998         goto LABEL_257;
 999     }
1000     if ( v40 < 0 )
1001     {
1002         v56 = 1278;
1003         goto LABEL_257;
1004     }
1005     v34 = BasepIsProcessAllowed(*(_DWORD *)&Str[2]);
1006     if ( v34 < 0 )
1007         goto LABEL_234;
1008     if ( !Str[0] && a7 & 0x800 )
1009         a7 &= 0xFFFFF7FFu;
1010     if ( v191 )
1011     {
1012         v192 = ProcessHandle;
1013         if ( !BaseUpdateVDMEntry(1, &v192, v168, v191) )
1014         {
1015             v192 = 0;
1016             goto LABEL_211;
1017         }
1018         v199 |= 2u;
1019     }
1020     v153 = v127;
1021     if ( Str[0] )
1022     {
1023         v104 = 2;
1024         NtWriteVirtualMemory(ProcessHandle, (PVOID)(v127 + 180), &v104, 4u, 0);
1025     }
1026     if ( !v206 )
1027     {
1028         if ( !(a7 & 0x2000000) )
1029         {
1030             v34 = BasepCheckWinSaferRestrictions(TokenHandle, *(_DWORD *)&Str[2], Handle);
1031             v114 = v34;
1032             if ( v34 < 0 )
1033                 goto LABEL_234;
1034         }
1035     }
1036     memset(&v221, 0, 0x88u);
1037     switch ( v87 )
1038     {
1039     case 0x14Cu:
1040         ProcessInformation = 0;
1041         break;
1042     case 0x200u:
1043         ProcessInformation = 6;
1044         break;
1045     case 0x8664u:
1046         ProcessInformation = 9;
1047         break;
1048     default:
1049         DbgPrint("Kernel32: No mapping for ImageInformation.Machine == %04x
", v87);
1050         ProcessInformation = 65535;
1051         break;
1052     }
1053     if ( !((unsigned __int8)v123 & 1) )
1054     {
1055         if ( !v206
1056             && !BasepQueryAppCompat(
1057             v177,
1058             &v82,
1059             ((unsigned int)(unsigned __int8)v123 >> 1) & 1,
1060             ProcessInformation,
1061             Handle,
1062             UnicodeString.Buffer,
1063             v187,
1064             &v169,
1065             &v150,
1066             &v170,
1067             &v156,
1068             v154,
1069             &v146,
1070             &v171,
1071             &v144,
1072             &v159,
1073             &v148) )
1074             goto LABEL_211;
1075         v136 = v126;
1076         v222 = v126;
1077         v34 = BasepConstructSxsCreateProcessMessage(
1078             (int)&UnicodeString,
1079             (int)&v164,
1080             Handle,
1081             ProcessHandle,
1082             v177,
1083             v144,
1084             v159,
1085             ((unsigned int)(unsigned __int8)v123 >> 2) & 1,
1086             v154[0],
1087             v170,
1088             v156,
1089             (v86 >> 9) & 1,
1090             v153,
1091             v137,
1092             v138,
1093             v139,
1094             (int)&v136,
1095             &v221,
1096             &Dst);
1097         if ( v34 < 0 )
1098             goto LABEL_234;
1099     }
1100     v228 = v129;
1101     v226 = v127;
1102     v227 = v128;
1103     v213 = ProcessHandle;
1104     v214 = ThreadHandle;
1105     v215 = v140;
1106     v216 = v141;
1107     v229 = ProcessInformation;
1108     v217 = a7 & 0xFFFFFFFC;
1109     if ( v83 == 2 || Str[0] )
1110     {
1111         v213 = (void *)((_DWORD)ProcessHandle | 2);
1112         v23 = GetModuleHandleA(0);
1113         v24 = RtlImageNtHeader(v23);
1114         v71 = v24;
1115         if ( v24 )
1116         {
1117             if ( v24->OptionalHeader.Subsystem == 2 )
1118                 v213 = (void *)((unsigned int)v213 | 1);
1119         }
1120     }
1121     if ( TokenHandle )
1122     {
1123         v34 = NtQueryInformationToken(TokenHandle, TokenSessionId, &TokenInformation, 4u, &ReturnLength);
1124         if ( v34 < 0 )
1125             goto LABEL_234;
1126         v69 = __readfsdword(24);
1127         if ( TokenInformation != *(_DWORD *)(*(_DWORD *)(v69 + 48) + 468) )
1128             v214 = (HANDLE)((_DWORD)v214 | 1);
1129     }
1130     if ( v62 & 0x40 )
1131         v213 = (void *)((unsigned int)v213 | 1);
1132     if ( v62 & 0x80 )
1133         v213 = (void *)((unsigned int)v213 & 0xFFFFFFFE);
1134     v218 = v191;
1135     if ( v191 )
1136     {
1137         v54 = v168 ? 0 : *(_DWORD *)(*(_DWORD *)(v176 + 16) + 16);
1138         v220 = v54;
1139         v219 = v168;
1140     }
1141     else
1142     {
1143         if ( v167 )
1144             v218 = 128;
1145     }
1146     if ( (unsigned __int8)v123 & 1 )
1147         v214 = (HANDLE)((_DWORD)v214 | 2);
1148     v34 = BasepCsrCaptureSxsMessage(&v221, &v172);
1149     v181 = v34;
1150     if ( v34 < 0 )
1151         goto LABEL_234;
1152     CsrClientCallServer(&v211, v172, 65536, 184);
1153     if ( NtStatus < 0 )
1154     {
1155         BaseSetLastNTError(NtStatus);
1156         ExitStatus = NtStatus;
1157         goto LABEL_211;
1158     }
1159     if ( !((unsigned __int8)v123 & 1) )
1160     {
1161         v136 = v222;
1162         if ( v222 != v126 )
1163         {
1164             v34 = BasepUpdateProcessParametersFlags(ProcessHandle, v222, (int)&v121);
1165             v181 = v34;
1166             if ( v34 < 0 )
1167             {
1168 LABEL_234:
1169                 v55 = v34;
1170                 goto LABEL_210;
1171             }
1172         }
1173     }
1174     if ( !v202 )
1175     {
1176         if ( !(v157 & 2) )
1177         {
1178             *(_DWORD *)v173 |= 1u;
1179             v41 = BaseCheckElevation(
1180                 ProcessHandle,
1181                 v165,
1182                 (int)v173,
1183                 v146,
1184                 v147[0],
1185                 (int)&v223,
1186                 (int)&v225,
1187                 v171,
1188                 TokenHandle,
1189                 0,
1190                 0);
1191             v42 = v41;
1192             v181 = v41;
1193             if ( v41 < 0 )
1194             {
1195                 if ( v41 == -1073740756 && !(v157 & 1) )
1196                     BaseWriteErrorElevationRequiredEvent();
1197                 BaseSetLastNTError(v42);
1198                 ExitStatus = v42;
1199                 goto LABEL_211;
1200             }
1201         }
1202     }
1203     if ( !((unsigned __int8)v123 & 1) )
1204     {
1205         BasepGetAppCompatData(
1206             v165,
1207             v173,
1208             v146,
1209             *(_DWORD *)v147,
1210             &v223,
1211             &v225,
1212             v171,
1213             &v82,
1214             ((unsigned int)(unsigned __int8)v123 >> 1) & 1,
1215             ProcessInformation,
1216             &v169,
1217             &v150,
1218             &Buffer,
1219             &BufferLength);
1220         if ( Buffer )
1221         {
1222             BaseAddress = 0;
1223             Size = BufferLength;
1224             v34 = NtAllocateVirtualMemory(ProcessHandle, &BaseAddress, 0, &Size, 0x1000u, 4u);
1225             if ( v34 < 0
1226                 || (v34 = NtWriteVirtualMemory(ProcessHandle, BaseAddress, Buffer, BufferLength, 0), v34 < 0)
1227                 || (v34 = NtWriteVirtualMemory(ProcessHandle, (PVOID)(v153 + 488), &BaseAddress, 4u, 0), v181 = v34, v34 < 0) )
1228                 goto LABEL_234;
1229         }
1230         v88 = *(_DWORD *)&Str[2];
1231         v90 = v153;
1232         v89 = ProcessHandle;
1233         v91 = Buffer;
1234         v92 = v85;
1235         v93 = v84;
1236         v95 = (int)&v224;
1237         v94 = (v148 >> 6) & 1;
1238         BasepPrepareSwitchContext(&v88);
1239     }
1240     if ( !v202 )
1241     {
1242         if ( !((unsigned __int8)v123 & 1) )
1243         {
1244             v34 = BaseElevationPostProcessing(v173[0], ProcessInformation, ProcessHandle);
1245             v181 = v34;
1246             if ( v34 < 0 )
1247             {
1248                 ExitStatus = v34;
1249                 goto LABEL_234;
1250             }
1251         }
1252     }
1253     if ( !(a7 & 4) )
1254     {
1255         v43 = NtResumeThread(ThreadHandle, 0);
1256         v44 = v43;
1257         v181 = v43;
1258         if ( v43 < 0 )
1259         {
1260             BaseSetLastNTError(v43);
1261             ExitStatus = v44;
1262             goto LABEL_211;
1263         }
1264     }
1265     v45 = v192;
1266 LABEL_117:
1267     v209 = 1;
1268     if ( v199 )
1269         v199 |= 8u;
1270     ms_exc.registration.TryLevel = 2;
1271     v103 = 1;
1272     v46 = v175;
1273     if ( v45 )
1274     {
1275         if ( v191 == 32 )
1276         {
1277             *(_DWORD *)v175 = (_DWORD)v45 | 2;
1278             if ( v199 & 4 )
1279             {
1280                 v140 = 0;
1281                 v141 = 0;
1282             }
1283         }
1284         else
1285         {
1286             *(_DWORD *)v175 = (_DWORD)v45 | 1;
1287         }
1288         if ( ProcessHandle )
1289             v197 = NtClose(ProcessHandle);
1290     }
1291     else
1292     {
1293         *(_DWORD *)v175 = ProcessHandle;
1294     }
1295     *(_DWORD *)(v46 + 4) = ThreadHandle;
1296     *(_DWORD *)(v46 + 8) = v140;
1297     *(_DWORD *)(v46 + 12) = v141;
1298     ProcessHandle = 0;
1299     ThreadHandle = 0;
1300     ms_exc.registration.TryLevel = 1;
1301     v103 = 0;
1302     if ( v103 )
1303     {
1304         NtClose(ProcessHandle);
1305         v197 = NtClose(ThreadHandle);
1306         ProcessHandle = 0;
1307         ThreadHandle = 0;
1308         if ( v199 )
1309             v199 &= 0xFFFFFFF7u;
1310     }
1311 }
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原文地址：https://www.cnblogs.com/mayingkun/p/5427294.html