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  • 检测网站挂马程序(Python)

    系统管理员通常从svn/git中检索代码,部署站点后通常首先会生成该站点所有文件的MD5值,如果上线后网站页面内容被篡改(如挂马)等,可以比对之前生成MD5值快速查找去那些文件被更改,为了使系统管理员第一时间发现,可结合crontab或nagios等工具。

    程序测试如下:

        # python check_change.py
            Usage: python check_change.py update /home/wwwroot
                   python check_change.py check /home/wwwroot
        # python check_change.py update /data/www #生成站点的md5值
        # echo ' ' > /data/www/sitemap.html #测试清空文件
        # rm -rf /data/www/sitemap.xml #测试删除文件
        # python check_change.py check /data/www  #查找那些文件被篡改
        /data/www/sitemap.xml
        /data/www/sitemap.html

    代码如下(check_change.py):

        #!/usr/bin/env python  
          
        import os,sys,subprocess  
          
        def update(path):  
            f = open(file,'w')  
            for root,dirs,files in os.walk(path):  
                for name in files:  
                    line = os.path.join(root, name)  
                    (stdin,stderr) = subprocess.Popen(['md5sum',line],stdout=subprocess.PIPE).communicate()  
                    f.write(stdin)  
            f.close()  
          
        def check(path):  
            f = open(file,'r')  
            for line in f:  
                check_ok = """echo '%s' | md5sum -c > /dev/null 2>&1""" % line  
                #print check_ok  
                if not subprocess.call(check_ok, shell = True) == 0:  
                    abnormal = line.split()  
                    print abnormal[1]  
            f.close()  
          
        def Usage():  
            print ''' 
            Usage: python %s update /home/wwwroot 
                   python %s check /home/wwwroot 
            ''' % (sys.argv[0],sys.argv[0])  
            sys.exit()  
          
        if len(sys.argv) != 3:  
            Usage()  
          
        file = 'file.key'  
        model = sys.argv[1]  
        path = sys.argv[2]  
          
        if os.path.exists(path) == False:  
            print "33[;31mThe directory or file does not exist33[0m"  
            sys.exit()  
        elif model == 'update':  
            update(path)  
        elif model == 'check':  
            check(path)  
        else:  
            Usage()  

    来源:https://blog.linuxeye.com/376.html

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  • 原文地址:https://www.cnblogs.com/losbyday/p/5851751.html
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