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hamster-sidejack

Sidejacking tool

collectionRed Team

Matches ATT&CK tactic: Collection ↗

Official docs ↗Download ↗Source repo ↗

Platforms: Linux · Last verified September 6, 2026

Hamster is tool or “sidejacking”. It acts as a proxy server that replaces your cookies with session cookies stolen from somebody else, allowing you to hijack their sessions.

Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.

Getting started

See the official Kali tool page and upstream homepage linked above for installation and usage details.

Commonly preinstalled on

Kali Linux

Debian-based distribution built for penetration testing and security auditing