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Latest posts
Last updated about 2 months ago
Beacon Object Files vs Tiny Executables
about 2 months ago
Introduction Executing PE files in-memory is something we can trace back to...
Shellcode: Obfuscation with Permutations
8 months ago
Table Of Contents Introduction Affine Transformation Linear Congruential Generator (LCG) Inversive Congruential...
Shellcode: Windows on ARM64 / AArch64
9 months ago
Introduction Back in October 2018, I wanted to write ARM assembly on...
Shellcode: API Hashing with Block Ciphers (Maru4)
10 months ago
Introduction Constructing your own hash algorithm is controversial because there will always...
Shellcode: RSA (Data Masking 4)
10 months ago
Introduction Malware like OceanLotus have used RSA-256 to hide strings. Darkhotel used...
Shellcode: Pseudo-Random Involution (Data Masking 3)
10 months ago
Introduction Not sure if the title is an accurate description, but when...
Shellcode: Modular Exponentiation for Diffie-Hellman Key Exchange.
11 months ago
Table Of Contents Introduction Symmetric vs Asymmetric Encryption with RSA Digital Signatures...
Shellcode: Data Masking 2
about 1 year ago
Introduction This is a quick follow up post to Data Masking that...
WOW64 Callback Table (FinFisher)
about 2 years ago
Introduction Ken Johnson (otherwise known as Skywing) first talked about the KiUserExceptionDispatcher...
Shellcode: Entropy Reduction With Base-32 Encoding.
about 2 years ago
Introduction Compressed, encrypted, and random data all contain a high amount of...
Shellcode: Base-N Decoding for Text-Only Compression and Obfuscation
almost 3 years ago
Introduction Concise Binary Object Representation (CBOR), the binary equivalent to JavaScript Object...
Shellcode: Data Masking
almost 3 years ago
Introduction There are more than four ways to mask data, but these...