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Elastic Docs ›SIEM Guide [7.6] ›Detections (Beta) ›Prebuilt rule reference
« Suspicious MS Outlook Child Process Suspicious Script Object Execution »

Suspicious Process spawning from Script Interpreteredit

Identifies a suspicious process being spawned from a script interpreter, which could be indicative of a potential phishing attack.

Rule indices:

  • winlogbeat-*

Severity: low

Risk score: 21

Runs every: 5 minutes

Searches indices from: now-6m (Date Math format, see also Additional look-back time)

Maximum signals per execution: 100

Tags:

  • Elastic
  • Windows

Rule version: 1

Added (Elastic Stack release): 7.6.0

Potential false positivesedit

Security testing may produce events like this. Activity of this kind performed by non-engineers and ordinary users is unusual.

Rule queryedit

(process.parent.name:cmd.exe or process.parent.name:cscript.exe or
process.parent.name:mshta.exe or process.parent.name:powershell.exe or
process.parent.name:rundll32.exe or process.parent.name:wscript.exe or
process.parent.name:wmiprvse.exe) and (process.name:bitsadmin.exe or
process.name:certutil.exe or mshta.exe or process.name:nslookup.exe or
process.name:schtasks.exe) and event.code:1

Threat mappingedit

Framework: MITRE ATT&CKTM

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