How Is WinAPI Emulation Different from Themida’s Advanced API Wrapping?

While both techniques protect API calls, they operate differently:

Feature			WinAPI Emulation (Enigma)				Advanced API Wrapping (Themida)

Method			Replaces API calls with emulated versions		Adds a wrapper layer around API calls
Behavior		Emulates API logic internally				Calls the real API through an obfuscated wrapper
Focus			Protects execution by hiding actual APIs		Focuses on obfuscating API invocation and flow
Complexity		May not use the real API at all				Always eventually calls the real API


Differences Between WinAPI Redirect and WinAPI Emulation

Feature	WinAPI Redirect										WinAPI Emulation

Core Function			Redirects API calls to custom or protected logic		Fully replaces API calls with an internal implementation
Interaction with Real API	Often forwards calls to the real API (after processing)		May not interact with the real API at all
Customization			Allows developers to define specific behaviors			Behaves more like a controlled "sandbox" for API calls
Primary Use Case		Controlling or filtering API behavior				Obfuscating or hiding API logic

Regards.

sean.

Edited December 16, 2024Dec 16 by Sean Park - Lovejoy

On 12/16/2024 at 7:19 AM, Bang1338 said:

You can skip rule 3 if you can't, since rule 3 is optional  

 

Bravo 🎉

Can you upload a sample that locked HWID? 

1 hour ago, boot said:

Can you upload a sample that locked HWID? 

g++ compiler somehow hate winlicense sdk...

On 12/16/2024 at 3:47 AM, boot said:

This is a sample that I manually unpacked. 

Unpacked_InlinePatch.zip 13.84 MB · 12 downloads

I haven't thought of a good way to satisfy the third rule yet...

@boot Do we have to  unwrap wrapped apis one by one manually?

Regards.

sean.

4 hours ago, Sean Park - Lovejoy said:

@boot Do we have to  unwrap wrapped apis one by one manually?

Regards.

sean.

It's the same as old just use my script everything will work but need fix the target after unpacked.

 @Sean Park - Lovejoy check in this forum.

Edited December 17, 2024Dec 17 by TRISTAN Pro

6 minutes ago, TRISTAN Pro said:

It's the same as old just use my script everything will work but need fix the target after unpacked.

@TRISTAN Pro Can you please upload your script in here?

Regards.

sean.

On 12/13/2024 at 8:57 PM, Noob boy said:

WinLicense 3.2.2 x64.zip 5.87 MB · 36 downloads WinLicense 3.2.2 x86Dome.rar 5.34 MB · 26 downloads

Winlicense 3.2.2 has updated the verification method. The old method cannot be bypassed. So how can the new method bypass it

@Noob boy This is a sample of my unpacking this WinLicense v3.2.2 x86 target. For x64 cases, the method is similar. 

unpacked_x86.zip

On 12/13/2024 at 8:57 PM, Noob boy said:

WinLicense 3.2.2 x64.zip 5.87 MB · 36 downloads WinLicense 3.2.2 x86Dome.rar 5.34 MB · 27 downloads

Winlicense 3.2.2 has updated the verification method. The old method cannot be bypassed. So how can the new method bypass it

Quote

For x64 cases, the method is similar...

@Noob boy Hi again! I spent some time unpacking this WinLicense v3.2.2 x64 target. 

unpacked_x64.zip