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AddVectoredExceptionHandler
The AddVectoredExceptionHandler technique is an anti-debugging method that can detect the presence of debuggers using Vectored Exception Handlers. This technique works by calling AddVectoredExceptionHandler(1, ourHandler) to register a top-level exception handler that will catch any exceptions raised by the process, including those generated by debuggers.
After this call has taken place, stepping through the code will trigger an EXCEPTION_SINGLE_STEP …
Shikata Ga Nai (SGN)
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 …
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