Svchost spawning Cmd

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Svchost spawning Cmd

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Identifies a suspicious parent child process relationship with cmd.exe descending from svchost.exe

Rule type: eql

Rule indices:

winlogbeat-*
logs-endpoint.events.*
logs-windows.*

Severity: low

Risk score: 21

Runs every: 5 minutes

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

Tags:

Elastic
Host
Windows
Threat Detection
Execution

Version: 8 (version history)

Added (Elastic Stack release): 7.6.0

Last modified (Elastic Stack release): 7.13.0

Rule authors: Elastic

Rule license: Elastic License v2

Rule query

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process where event.type in ("start", "process_started") and
process.parent.name : "svchost.exe" and process.name : "cmd.exe" and
not (process.pe.original_file_name == "Cmd.Exe" and process.args :
"?:\\Program Files\\Npcap\\CheckStatus.bat??")

Threat mapping

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Framework: MITRE ATT&CK^TM

Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
Technique:
- Name: Command and Scripting Interpreter
- ID: T1059
- Reference URL: https://attack.mitre.org/techniques/T1059/

Rule version history

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Version 8 (7.13.0 release)

Updated query, changed from:

event.category:process and event.type:(start or process_started) and
process.parent.name:svchost.exe and process.name:cmd.exe

Version 7 (7.12.0 release)

Formatting only

Version 6 (7.11.2 release)

Formatting only

Version 5 (7.10.0 release)

Formatting only

Version 4 (7.9.1 release)

Formatting only

Version 3 (7.9.0 release)

Updated query, changed from:

process.parent.name:svchost.exe and process.name:cmd.exe

Version 2 (7.7.0 release)

Formatting only

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