// REFERENCE

Java .class signature

Signature (hex): CA FE BA BE Medium risk

Java bytecode (.class) starts with CA FE BA BE («cafe babe»). Note: Mach-O universal binaries share this signature, so more context is needed.

Related tools

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Magic bytes identifier

exe
EXE/DLL (PE) signature elf
ELF (Linux) signature macho
Mach-O (macOS) signature dex
DEX (Android) signature wasm
WebAssembly signature lnk
LNK shortcut signature

Signatures verifiable with CyberEscudo's magic-bytes identifier. Educational content.