Process Explorer Driver Creation By Non-Sysinternals Binary
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About the rule
Rule Type
Standard
Rule Description
Detects creation of the Process Explorer drivers by processes other than Process Explorer (procexp) itself. Hack tools or malware may use the Process Explorer driver to elevate privileges, drops it to disk for a few moments, runs a service using that driver and removes it afterwards.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "File Created or Modified" AND ((FILENAME contains "\PROCEXP" OR OBJECTNAME contains "\PROCEXP") AND (FILENAME endswith ".sys" OR OBJECTNAME endswith ".sys")) AND PROCESSNAME notendswith "\procexp.exe,\procexp64.exe" select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.OBJECTNAME,Action1.FILENAME,Action1.PROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Florian Roth (Nextron Systems)
