Malicious Anonymous Login - Domain Specified (via security)

PremiumReviewedSigma · High · v1
Product
windows
Service
security
Author
HuntRule
Published
2026-09-02
Updated
2026-09-02

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 scenarios where a suspicious anonymous login is performed during discovery phases.

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Malicious RDP Discovery Performed on Multiple Hosts (via rdp)
Malicious Anonymous Access Performed to Multiple Targets (via security)
Malicious Network Login Performed to Multiple Targets (via security)
Suspicious SoftPerfect Network Scanner Execution for Discovery
Suspicious SoftPerfect Network Scanner Execution (via process_creation)
Suspicious XScan Network Vulnerability Scanner Execution After Citrix Bleed Exploitation
Malicious Anonymous Login - Domain Specified (via security)
Pivot detection · T1046 · 9 related

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