huntrule

Windows Process Creation: Suspicious systeminfo.exe Execution

Alerts on execution of systeminfo.exe (or sysinfo.exe) via Windows process creation logs for system discovery.

FreeReviewedSigma · Low · v1
Product
windows
Category
process_creation
Author
frack113 (SigmaHQ), DRL 1.1
Published
2022-01-01
Updated
2026-07-30
AnalysisDetection

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. Discovery

  10. Lateral Movement

  11. Collection

  12. C2

  13. Exfiltration

  14. Impact

What it detects

This rule flags Windows processes where systeminfo.exe is executed, including cases where the OriginalFileName is sysinfo.exe. Attackers may run system discovery commands to enumerate host and environment details before further actions. It relies on process creation telemetry, matching the executed image path ending with \systeminfo.exe or the reported original filename.

Reporting behind it

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Suspicious Encoded PowerShell Host Reconnaissance via Get-ComputerInfo via ps_script
Suspicious Host Recon via ConvertFrom-Csv and ConvertTo-Json
Suspicious Java Process Spawning Reconnaissance Commands via Cleo MFT (via process_creation)
Suspicious Reconnaissance Commands Spawned by Samsung MagicINFO Server
Suspicious macOS Download History Query via sqlite3
Suspicious Security Policy Export via SecEdit (via process_creation)
Windows Process Creation: Suspicious systeminfo.exe Execution
Pivot detection · T1082 · 9 related

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