Binary Ninja Scripting with Python!
Source: YouTube · John Hammond · published Jan 17, 2025 · 23:41
This video demonstrates how to analyze a suspicious DLL file using Binary Ninja and extract a hidden encrypted payload 0:00.
Key Takeaways:
• The video examines a suspicious "login.dll" file masquerading as an Nvidia driver that is unusually large at 2.12MB 0:50
• The file contains an odd section filled with hex 90 bytes (NOP instructions) which can be removed using a "debloat" tool 1:30
• The payload is encrypted using a simple XOR cipher with the key "GMzlvpp19" found in the binary 11:26
• The presenter demonstrates how to write a Python script within Binary Ninja to automatically decrypt the extracted payload 13:40
• After decryption, a second-stage executable is revealed containing SystemBC RAT functionality for remote access 18:57
The video provides practical techniques for malware analysis and payload extraction using Binary Ninja's scripting capabilities.
Sources:
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Transcript Preview
First 800 characters of the transcript
in this video I want to show you some simple binary ninja scripting techniques for us to easily carve out a secondary payload from a binary sample now the story in the sample for this video actually comes back from a recent incident that the huntress sock was investigating on the host we saw an interesting file called login. dll now if you wanted to triage this just investigate a little bit well the first thing we could do is pretty simple just take a look at the properties this is presumably a dll file taking a look at the details here apparently it's supposed to be or at least allegedly an Nvidia Shadow play remix uh Nvidia GeForce experience and maybe just a driver some specific file for some graphics card some way somehow with the original file name being nvsp api.dll but is it really …