Exclude SOCFortress SIGMA Chainsaw Execution

Description

Exclude SOCFortress SIGMA Chainsaw Execution

Query · wazuh

View raw source upstream ↗ Wazuh XML 
field event.CurrentDirectory="(?i)^C:\\Program Files \(x86\)\\ossec-agent" AND field event.ParentCommandLine="(?i)^Powershell.exe -executionpolicy bypass -File "C:\\Program Files \(x86\)\\ossec-agent\\active-response\\bin\\chainsaw\.ps1"$"

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 Exclusion Rules/900000-exclusion_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. 200050 Chainsaw Forensics · group = Sigma anchor level 3
    field group="^Sigma$"
  2. 200051 windows rule 200051 · level = high anchor level 10
    field level="high"
  3. 900063 Exclude SOCFortress SIGMA Chainsaw Execution exclusion level 1 this rule
    field event.CurrentDirectory="(?i)^C:\\Program Files \(x86\)\\ossec-agent" AND field event.ParentCommandLine="(?i)^Powershell.exe -executionpolicy bypass -File "C:\\Program Files \(x86\)\\ossec-agent\\active-response\\bin\\chainsaw\.ps1"$"

Rule dependencies

Depends on

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