EgeBalci/sgn

Health v2 · maintenance only

Adoption not part of the score

2005 stars · 249 forks observed · 2026-10-13

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

SGN is a polymorphic binary encoder that encodes shellcode using an additive feedback loop similar to an LFSR, producing statically undetectable payloads. It is a Rust reimplementation of the Metasploit Shikata ga nai encoder with improvements such as x64 support and a smaller, pseudo-randomly encoded decoder stub.

Use cases

• encode shellcode to evade static antivirus detection
• generate undetectable binary payloads for penetration testing
• polymorphically encode x86 and x64 shellcode
• replace shikata ga nai encoder with a modern implementation
• obfuscate payload bytes so they look like random data

When to choose

• you need statically undetectable encoded shellcode for authorized offensive security work
• you want x64 shellcode encoding support
• you need a dependency-free Rust tool that builds with plain cargo

When to avoid

• you need a defensive or malware-analysis tool rather than an offensive encoder
• your use of encoded payloads is not authorized or legal in your environment
• you need a pure obfuscator for general application code rather than shellcode

Facets

cli-tool · maturity active

security cryptography cli security penetration-testing reverse-engineering windows cross-platform cli shellcode-encoder polymorphic evasion shikata-ga-nai offensive-security rust linux macos

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