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Houthi rebels are operating their own GuardZoo spyware

ID: 6ea76986-227a-5f3b-83f4-a9e69c07a901

STIX ID: report--6ea76986-227a-5f3b-83f4-a9e69c07a901

Feed Name: The Register (Security)

Threat Score
66/100

Date Published: 2024-07-09

Date Updated: 2026-04-26

Author: Brandon Vigliarolo

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GuardZoo is a Dendroid RAT–derived Android surveillanceware attributed to Houthi-linked operators, active since at least 2019 and distributed via WhatsApp and direct downloads using social engineering; it collects geolocation data (KMZ, WPT, TRK), photos, documents, and device configuration and uses a bespoke C2 and dex-based updates to maintain persistence and stealth, primarily targeting Yemeni military personnel and some regional military staff.

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