HighSigmaHQ Nasreddine Bencherchali (Nextron Systems)

Allow Service Access Using Security Descriptor Tampering Via Sc.EXE

Detects suspicious DACL modifications to allow access to a service from a suspicious trustee. This can be used to override access restrictions set by previous ACLs.

Detection logic

Detection requirements

Platform: Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: windows
Log source category: process_creation

Known benign triggers

Unknown

References

Links the source published beside this detection. Reference is the link the source wrote, unmodified. Class is decided by this catalogue from the host and path, not stated by the source. Cited by counts published detections citing the same resource, including this one, and the sources beneath it count the repositories this catalogue ingests, which is not the same as independent research.
Reference	Class	Cited by
itconnect.uw.edu/tools-services-support/it-systems-infrastructure/msinf/other-help/understanding-sddl-syntax/	Unclassified	5
learn.microsoft.com/en-us/windows/win32/secauthz/sid-strings	Product documentation	3from 2 sources
twitter.com/0gtweet/status/1628720819537936386	Social post	2

Detection rules

Allow Service Access Using Security Descriptor Tampering Via Sc.EXE

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules