Malicious Powershell Command Executed · rule 100543

Description

Malicious Powershell Command $(win.eventdata.scriptBlockText) Executed

Query · wazuh

View raw source upstream ↗ Wazuh XML 
list win.eventdata.scriptBlockText lookup=match_key etc/lists/malicious-powershell

No license declared

socfortress/Wazuh-Rules publishes no license, and without an express grant the default is all rights reserved. The query above is synthesized from the rule rather than copied out of it, so you can see what the rule matches on; the rule as written stays upstream.

Read the full rule at Windows Powershell/100535-win_powershell_rules.xml ↗. Why this rule is treated this way.

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. 60000 Group of windows rules. anchor level 0
    decoded_as=windows_eventchannel AND field win.system.providerName="\.+"
  2. 91801 Group of Windows rules for the Powershell/Operational channel. anchor level 0
    field win.system.channel="^Microsoft-Windows-PowerShell/Operational$"
  3. 91802 Group of Windows rules for the Powershell/Operational channel. anchor level 0
    field win.eventdata.ScriptBlockId=".+"
  4. 100541 Powershell script Executed · win.system.severityValue = VERBOSE anchor level 3
    field win.system.severityValue="VERBOSE"
  5. 100543 Malicious Powershell Command Executed · rule 100543 refinement level 12 this rule
    list win.eventdata.scriptBlockText lookup=match_key etc/lists/malicious-powershell

Rule dependencies

Depends on

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