Powershell process spawned powershell instance

Description

Powershell process spawned powershell instance

Query · wazuh

field win.eventdata.image="\\powershell\.exe" AND field win.eventdata.parentImage="(?i)\\powershell\.exe"

Fires when

Wazuh evaluates a chain top-down. Every rule above this one must match on the same event before this rule is tested at all.

  1. 92027 Powershell process spawned powershell instance anchor level 4 this rule
    field win.eventdata.image="\\powershell\.exe" AND field win.eventdata.parentImage="(?i)\\powershell\.exe"

Refined by

5 rules chain off this one, narrowing it further.

Rule dependencies

Depends on

  • composes · Wazuh if_group sysmon_event1
    856 rules in this analytic story
Raw source Powershell process spawned powershell instance · Wazuh XML
Esc
Published by Wazuh Core Ruleset ↗, licensed under GPLv2 ↗. Reproduced here unmodified. 
<rule id="92027" level="4">
    <if_group>sysmon_event1</if_group>
    <field name="win.eventdata.image" type="pcre2">\\powershell\.exe</field>
    <field name="win.eventdata.parentImage" type="pcre2">(?i)\\powershell\.exe</field>
    <options>no_full_log</options>
    <description>Powershell process spawned powershell instance</description>
    <mitre>
      <id>T1059.001</id>
    </mitre>
  </rule>

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