Didier Stevens

Wednesday 22 June 2022

Examples Of Encoding Reversing

Filed under: Forensics,Malware,Reverse Engineering — Didier Stevens @ 15:08

I recently created 2 blog posts with corresponding videos for the reversing of encodings.

The first one is on the ISC diary: “Decoding Obfuscated BASE64 Statistically“. The payload is encoded with a variation of BASE64, and I show how to analyze the encoded payload to figure out how to decode it.

And this is the video for this diary entry:

And on this blog, I have another example, more complex, where the encoding is a variation of hexadecimal encoding, with some obfuscation: “Another Exercise In Encoding Reversing“.

And here is the video:

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