Malicious Curl to Shell Dropper from Paste Site via Command Line

PremiumReviewedSigma · High · v1
Category
process_creation
Author
HuntRule
Published
2026-08-19
Updated
2026-08-28

ATT&CK techniques

Execution → C2
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Persistence

  5. Priv Esc

  6. Defense Evasion

  7. Cred Access

  8. Discovery

  9. Lateral Movement

  10. Collection

  11. Exfiltration

  12. Impact

What it detects

This rule detects a shell command that downloads a script from a public paste site such as rentry.co or glot.io and pipes it directly into a shell interpreter. This one-line fetch-and-execute pattern is used by the OpenClaw AI skill marketplace supply chain campaign to deliver macOS stealer payloads. Detecting it exposes ingress tool transfer that bypasses on-disk staging and gives the attacker immediate code execution.

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Pivot detection · T1059.004 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.