Suspicious file compression activity by powershell · rule 900104

Description

Suspicious file compression activity by powershell: $(win.eventdata.targetFilename)

No license declared

socfortress/Wazuh-Rules publishes no license, and without an express grant the default is all rights reserved. The rule as written stays upstream, and this one matches no fields of its own to summarize.

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. 92212 Suspicious file compression activity by powershell · win.eventdata.image = (?i)powershell.exe, win.eventdata.targetFilename = \.(7z|zip|rar) anchor level 14
    field win.eventdata.image="(?i)powershell.exe" AND field win.eventdata.targetFilename="\.(7z|zip|rar)"
  2. 900104 Suspicious file compression activity by powershell · rule 900104 exclusion level 10 this rule
    Matches no fields of its own.

Rule dependencies

Depends on

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