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Cuckoo3

CERT-EE's Python 3 rewrite of Cuckoo Sandbox for automated malware analysis

specializedbased on UbuntuBlue Team

Cuckoo3 has no official, structured tool listing we can auto-sync (unlike Kali, BlackArch, REMnux, and Tails). The tools below are maintained by hand and may be incomplete or outdated — check the official docs for the current tool set.

Official docs ↗Source repo ↗

Last verified September 5, 2026

Cuckoo3 is CERT-EE’s actively developed successor to the original Cuckoo Sandbox (whose 2.x branch is no longer maintained) — a distinct project and lineage from the community CAPEv2 fork also in this catalog, though both automate dynamic malware detonation and analysis.

Use it only against samples/systems you’re authorized to analyze — see the disclaimer.

Getting started

Cuckoo3 installs onto an Ubuntu host via an official "quickstart" script for a quick opinionated setup, or a manual install for control over virtualization backend, networking, and node count. It pairs with the companion VMCloak tool to build the Windows guest VMs samples are actually detonated in, then reports back extracted behavior through its own web dashboard.