checksec

Description

Checks security properties of binary files including NX (Non-Executable stack), RELRO (Relocation Read-Only), Stack Canaries, and PIE (Position Independent Executable). This is typically the first step when analyzing a binary for exploitation.

Usage 1: Check security properties of a binary using --file flag

Analyze a binary's security mitigations using the --file flag.

Command:

checksec --file login

Usage 2: Check security properties using --file= syntax

Analyze a binary's security mitigations using the equals syntax.

Command:

checksec --file=just_do_it