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Microsoft Security Blogpublished ()ingested Microsoft Security Research, Sagar Patil, Suriyaraj Natarajan and Parasharan Raghavan

TerminalFix campaign deploys a reverse tunnel through multistage intrusion

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Microsoft Threat Intelligence details the TerminalFix campaign, which uses fake CAPTCHA prompts, DLL sideloading, and reverse tunnels in multistage intrusions.

Microsoft Threat Intelligence published analysis of a ClickFix-style campaign dubbed TerminalFix. The intrusion chain relies on fake CAPTCHA social engineering and DLL sideloading, and the attackers deploy a reverse tunnel to maintain access through a multistage intrusion. Microsoft released detections and threat hunting guidance for defenders.

  • Campaign named TerminalFix uses fake CAPTCHA prompts consistent with ClickFix social engineering
  • DLL sideloading is used for execution and evasion
  • Attackers deploy a reverse tunnel during a multistage intrusion
  • Microsoft shares detections and hunting queries for defenders
VendorsMicrosoft
Threat actorsTerminalFix
OrganizationsMicrosoft
Full article

Microsoft Threat Intelligence provides analysis of a ClickFix campaign that uses fake CAPTCHA prompts, DLL sideloading, and a reverse tunnel, with detections and hunting guidance. The post TerminalFix campaign deploys a reverse tunnel through multistage intrusion appeared first on Microsoft Security Blog.

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