Malicious Veeam Credential Theft via PowerShell (via ps_script)

PremiumReviewedSigma · High · v1
Product
windows
Category
ps_script
Author
HuntRule
Published
2026-08-22
Updated
2026-08-28

ATT&CK techniques

Cred Access
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Discovery

  9. Lateral Movement

  10. Collection

  11. C2

  12. Exfiltration

  13. Impact

What it detects

This rule detects a PowerShell script that decrypts stored Veeam Backup and Replication credentials using the ProtectedData Unprotect method against the Veeam database. Fog ransomware operators ran a Veeam-Get-Creds script to harvest backup infrastructure credentials.

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