Atipls' Obfuscator

[Cursedzx]

Difficulty : Probably 7
Language : C# .NET
Platform : Windows (anyCPU)
OS Version : Windows 7 Above
Packer / Protector : Atipls' obfuscator

Description :

Upload the unpacked file and give me a detailed tutorial. Describe me the specific method or the specific tools in order used.

As I said in the previous unpack challenges XD.

Screenshot :

UnpackME.exe

[#Sith]

Load file in dnSpy, bypass NtQueryInformationProcess, dump the module, then de4dot and SAE (string only).

UnpackME_unpk.exe

[Cursedzx]

Sith, do you know what NtQueryInformationProcess was used for?

[evlncrn8]

probably anti debug.. 

[collins]

3 hours ago, #Sith said:

Load file in dnSpy, bypass NtQueryInformationProcess, dump the module, then de4dot and SAE (string only).

UnpackME_unpk.exe

@Sith  how to bypass NtQueryInformationProcess ? Can you a little more detail ?

[#Sith]

4 hours ago, Cursedzx said:

Sith, do you know what NtQueryInformationProcess was used for?

InheritedFromUniqueProcessId field in PROCESS_BASIC_INFORMATION structure get the ID of the parent process and programm compare it to the some names. I Just changed the InheritedFromUniqueProcessId value to the ID of explorer.exe