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Overview
This PR fixes the Demon DLL crash caused by a null pointer dereference.
TLDR:
rundll32 demon.x64.dll,Start
will work again.Details
LdrModulePeb
is called inDllMain
beforeInstance
has been initialized.Havoc/payloads/Demon/src/main/MainDll.c
Line 47 in 69ce17c
LdrModulePeb
accesses the uninitializedInstance
, which is a null pointer derefernce at this point of execution, causing the process to crash.Havoc/payloads/Demon/src/core/Win32.c
Line 74 in 69ce17c
I’ve tested the x64 EXE, DLL, and SHC on Windows 11, with
WaitForSingleObjectEx
,Foliage
,Ekko
andZilean
sleep obfuscation enabled and all binaries are operating well with this update.