Detectionlowtest
ETW Logging Disabled For rpcrt4.dll
Detects changes to the "ExtErrorInformation" key in order to disable ETW logging for rpcrt4.dll
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Nasreddine Bencherchali (Nextron Systems)Created Fri Dec 09Updated Thu Aug 1790f342e1-1aaa-4e43-b092-39fda57ed11ewindows
Log Source
WindowsRegistry Set
ProductWindows← raw: windows
CategoryRegistry Set← raw: registry_set
Detection Logic
Detection Logic1 selector
detection:
selection:
TargetObject|endswith: '\Microsoft\Windows NT\Rpc\ExtErrorInformation'
Details:
# This is disabled by default for some reason
- 'DWORD (0x00000000)' # Off
- 'DWORD (0x00000002)' # Off with exceptions
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Rule Metadata
Rule ID
90f342e1-1aaa-4e43-b092-39fda57ed11e
Status
test
Level
low
Type
Detection
Created
Fri Dec 09
Modified
Thu Aug 17
Path
rules/windows/registry/registry_set/registry_set_rpcrt4_etw_tamper.yml
Raw Tags
attack.persistenceattack.defense-evasionattack.t1112attack.t1562