Malicious XMRig Cryptomining Pool DNS Query to c3pool via Ivanti Compromise

PremiumReviewedSigma · High · v1
Category
dns_query
Author
HuntRule
Published
2026-11-02
Updated
2026-11-02

ATT&CK techniques

Impact
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Cred Access

  9. Discovery

  10. Lateral Movement

  11. Collection

  12. C2

  13. Exfiltration

What it detects

This rule detects DNS queries to the c3pool cryptomining pool infrastructure observed after exploitation of Ivanti Connect Secure VPN appliances to deploy XMRig miners. Threat actors monetized compromised appliances by mining cryptocurrency. Cryptomining on infrastructure indicates active compromise and resource abuse.

Related detections9 linkedT1496 — drag to rearrange
Suspicious Competing Cryptominer Termination via killall
Malicious XMRig Miner Installation via c3pool Setup Script
Suspicious Hosts File Modification Pointing to Mining Pool via Command Line (via process_creation)
Suspicious Fake vSphere Service Installation with SELinux Disable via Command Line (via process_creation)
Suspicious MSR Kernel Module Loading for Cryptomining Optimization via Command Line (via process_creation)
Malicious CreativeUpdate Cryptominer Execution via mdworker Path (via process_creation)
Malicious Cryptominer Execution via AddInProcess with XMRig Arguments (via process_creation)
Malicious Cryptocurrency Miner Execution via XMRig and c3pool (via process_creation)
Malicious WinRing0 Vulnerable Driver Load for Coin Mining
Malicious XMRig Cryptomining Pool DNS Query to c3pool via Ivanti Compromise
Pivot detection · T1496 · 9 related

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