Sysmon - Event 1: Process creation · Proxy Execution of unsigned C# Code (T1218)

Description

Sysmon - Event 1: Process creation $(win.eventdata.description)

Query · wazuh

View raw source upstream ↗ Wazuh XML 
field win.eventdata.ruleName="^technique_id=T1218,technique_name=Proxy Execution of unsigned C# Code$"

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_Sysmon/100100-MITRE_TECHNIQUES_FROM_SYSMON_EVENT1.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. 60004 Group of Windows rules for the sysmon channel. anchor level 0
    field win.system.channel="^Microsoft-Windows-Sysmon/Operational$"
  3. 61600 Windows Sysmon informational event anchor level 0
    field win.system.severityValue="^INFORMATION$"
  4. 61603 Sysmon - Event 1: Process creation · win.system.eventID = 1 anchor level 0
    field win.system.eventID="^1$"
  5. 100574 Sysmon - Event 1: Process creation · Proxy Execution of unsigned C# Code (T1218) refinement level 3 this rule
    field win.eventdata.ruleName="^technique_id=T1218,technique_name=Proxy Execution of unsigned C# Code$"

Rule dependencies

Depends on

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