CuraSec

Plan active

TerminalFix ClickFix variant lures users into running PowerShell via fake CAPTCHA

2026-09-01 15:28 UTC · BleepingComputer · read the source ↗ #clickfix#social-engineering#powershell
  • Engineer — Learn: No patchable CVE — this is a user-execution social engineering chain. Evaluate whether your environment enforces PowerShell Constrained Language Mode or WDAC policies that would limit blast radius if a user runs attacker-supplied terminal commands.
  • SOC/IR — Plan: Build or tune detections for PowerShell processes spawned from browser-related parent processes, and alert on known reverse-tunnel binaries (chisel, ngrok, etc.); the ClickFix TTP pattern is well-documented and Sigma rules exist to template from.
  • Leader — Learn: Active campaign exploiting user behavior rather than software flaws; useful context for refreshing security awareness training around CAPTCHA-themed lures, but no board-level action is warranted without wider impact data.
This entry was curated and judged by AI (Claude) with automated enrichment (CISA KEV / EPSS / public PoC). Verify against the original source before acting. Found a bad verdict? Report it — confirmed errors go to the corrections log.