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Disassembly Desynchronization

Anti-Disassembly

Disassembly desynchronization is a technique that is used to prevent disassemblers from accurately reconstructing the original instructions of a program. It involves the creative use of instructions and data in a way that breaks the normal, predictable sequence of instructions in a program. This can cause disassemblers to become "desynchronized" and generate incorrect disassembly output.

For example, suppose a …

Data Obfuscation

Shikata Ga Nai (SGN) is a data obfuscation technique that employs a polymorphic binary encoding scheme. It was initially developed by Ege Balci and gained popularity through its implementation in Metasploit Framework's msfvenom. SGN takes a binary input and generates a self-decoding obfuscated shellcode. The algorithm utilizes a XOR feedback loop for encoding and prefixes a decoding routine to the …