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tw-pkgprobe-7731 npm Twilio Key Theft: Detection & IOCs

Fake Twilio bug-bounty probe tw-pkgprobe-7731 harvests env vars and Twilio keys via webhook: 19 IOCs, 9 detection rules, and a free Splunk SPL rule.

Read the full threat intel for tw-pkgprobe-7731 npm Twilio Key Theft: Detection & IOCs →

Chapters

  1. 0:00The hook11 versions, one fake probe.
  2. 0:04The storyReversingLabs found it and told npm.
  3. 0:10Attack pathReported: a fake Twilio probe.
  4. 0:21AttributionNo threat actor: this was defensive research.
  5. 0:26Indicators of compromise16 indicators to hunt: 1 domain, 1 URL and 11 SHA-1 hashes, and more.
  6. 0:33MITRE ATT&CK techniques10 ATT&CK techniques, from resource development to exfiltration.
  7. 0:38Remediation4 steps now: Search package-lock.json, yarn[.]lock and node_modules for tw-pkgprobe-7731 in all repositories.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:0011 versions, one fake probe.

0:05ReversingLabs found it and told npm.

0:10Reported: a fake Twilio probe.

0:13Eleven versions harvested data.

0:15Some sent Twilio credentials.

0:17Then npm removed it.

0:22No threat actor: this was defensive research.

0:2616 indicators to hunt: 1 domain, 1 URL and 11 SHA-1 hashes, and more.

0:3410 ATT&CK techniques, from resource development to exfiltration.

0:384 steps now: Search package-lock.json, yarn[.]lock and node_modules for tw-pkgprobe-7731 in all repositories.

0:519 detection rules, in SPL, KQL and Sigma.

0:56Threadlinqs. The unified security engineering platform.