Malicious DNS Hosts File Accessed via Network Share (via security)

PremiumReviewedSigma · High · v1
Product
windows
Service
security
Author
HuntRule
Published
2026-08-23
Updated
2026-08-28

ATT&CK techniques

Discovery
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Cred Access

  9. Lateral Movement

  10. Collection

  11. C2

  12. Exfiltration

  13. Impact

What it detects

This rule detects attempt read the Hosts file content via network share.

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Suspicious Domain Controller Discovery via nltest
Suspicious SimpleHelp Remote Access Client Spawning Discovery Commands (via process_creation)
Windows: Detect NetExec (nxc.exe) Process Execution with Network Service Commands
Malicious DNS Hosts File Accessed via Network Share (via security)
Pivot detection · T1018 · 9 related

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