windows rule 200056 · name = Regsvr32 Network Activity - DNS$|^Regsvr32 Network Activity, event.User = NT AUTHORITY\\SYSTEM
Description
$(message)
Query · wazuh
field name="^Regsvr32 Network Activity - DNS$|^Regsvr32 Network Activity$" AND field event.User="^NT AUTHORITY\\SYSTEM$"
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 Chainsaw/200050-chainsaw_sigma_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.
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field group="^Sigma$" -
field level="high" -
200056windows rule 200056 · name = Regsvr32 Network Activity - DNS$|^Regsvr32 Network Activity, event.User = NT AUTHORITY\\SYSTEM anchor level 1 this rulefield name="^Regsvr32 Network Activity - DNS$|^Regsvr32 Network Activity$" AND field event.User="^NT AUTHORITY\\SYSTEM$"
Rule dependencies
Depends on
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composes · Wazuh if_sid
200051