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Insight to sell and support the Byos family of patented plug-and-play Secure Endpoint Edge solutions
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TWINLOOT Abuses SharePoint and Teams to Steal Credentials and Move Across Networks
Ontinue disclosed TWINLOOT, a Python implant hiding C2 in SharePoint dead drops and Teams TURN relays, harvesting credentials and pivoting via reverse SOCKS5.
Ontinue's Cyber Defense Center identified TWINLOOT during a July 2026 campaign investigation: a modular, PyArmor-hardened Python implant (a 39 MB bootstrap-fat.pyc loader) whose entire C2 infrastructure lives inside trusted Microsoft services. Tasking flows through SharePoint Online file dead drops polled every 15 seconds via the Microsoft Graph API, while interactive operator access uses WebRTC DataChannels relayed by Microsoft Teams TURN servers; Graph traffic is driven by the victim's own headless Edge browser. The implant harvests Windows credentials with fake lock screens, offers a reverse SOCKS5 pivot for lateral movement to SMB, RDP, WinRM, and MSSQL, executes commands, and persists on hosts. Initial access is assessed to be Teams social engineering masquerading as IT support, prompting a PowerShell command to download the payload.
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Fake GTA 6 download delivers malware-packed bundle to impatient gamers
Huntress found malware disguised as a leaked GTA 6 download bundling NJRAT, DCRAT, an infostealer, and Chaos ransomware used as a wiper.
Huntress analyzed a fake Grand Theft Auto VI ISO whose gta6installer.exe displays a fake 'License not found' error while silently installing payloads. The bundle includes NJRAT and DCRAT remote access trojans, the Mercurial Grabber infostealer, and a Chaos ransomware variant used destructively as a wiper, plus a Yandex Browser drop. The Chaos variant encrypts files up to 200MB, overwrites larger ones, deletes shadow copies, and disables recovery, with no ransom actually demanded. Most components are old malware dating to 2023 and are detected by up-to-date Windows Defender.
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NS1 adds new capabilities and video streaming support to its Pulsar Active Traffic Steering solution
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