TWINLOOT Microsoft services C2 implant activity
Malware Activity
Summary
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TWINLOOT is a newly disclosed Python implant that hides command-and-control inside Microsoft services, increasing the odds that malicious traffic blends into normal enterprise cloud activity. The malware uses SharePoint Online, Microsoft Teams TURN, and a headless Edge browser to move tasking, operator access, and Graph traffic. It also steals Windows credentials, supports reverse SOCKS5 pivoting, and enables lateral movement and persistence on infected hosts.
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Sources 1
About this happening:
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About this happening:
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Timeline
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18.08.2026 15:38 2 articles · 13d ago
Researchers disclose TWINLOOT implant abusing SharePoint and Teams
Initial DisclosureOntinue disclosed TWINLOOT, a PyArmor-hardened Python implant that routes command-and-control through trusted Microsoft services by using SharePoint Online file dead-drops via the Microsoft Graph API and WebRTC DataChannels relayed by Microsoft Teams TURN servers. The implant drives Graph traffic from a headless instance of the victim's Edge browser, can steal Windows credentials with fake lock screens, and supports reconnaissance, discovery, screenshot capture, and persistence.
Show sources
- TWINLOOT Abuses SharePoint and Teams to Steal Credentials and Move Across Networks — thehackernews.com — 18.08.2026 15:38
- TWINLOOT Abuses SharePoint and Teams to Steal Credentials and Move Across Networks — thehackernews.com — 18.08.2026 15:38