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RedExt is an open-source browser-extension framework for browser-data analysis, red-team operations, and command-and-control. It has been identified as a foundational framework for the PEEP Chromium browser post-exploitation toolkit, which adds installation, persistence, native-host interaction, telemetry, update, and expanded command functionality. RedExt has also been leveraged by Russian-speaking threat actors in activity associated with the GlassWorm software supply-chain campaign. RedExt itself is a framework rather than a standalone malware family, and its operator, target scope, and independent deployment characteristics are not established.
Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.
2 distinct techniques documented for this family, organized by ATT&CK tactic.
2 indicators attributed across vendor reports, sandbox runs, and researcher write-ups. Full values are available in Mallory.
IPs, domains, and DNS infrastructure linked to this family.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An open-source browser-data-analysis and red-teaming framework whose source code was used as the basis for PEEP. The content also states that it was previously used in GlassWorm attacks.
An open-source browser-analysis and red-teaming framework that PEEP appears to be based on. The content does not state that RedExt itself is malicious.
An open-source browser-data-analysis and red-teaming framework whose foundations were extended by PEEP with malware-oriented installation, persistence, C2, telemetry, update, and host-command capabilities.
An open-source project/framework from which the PEEP Chromium-based post-compromise toolkit was derived.
Match every observed IP, domain, and hash against your live telemetry.
Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.