Trusted Path Bypass via Windows Directory Spoofing

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About the rule

Rule Type

Standard

Rule Description

Detects DLLs loading from a spoofed Windows directory path with an extra space (e.g "C:\Windows \System32") which can bypass Windows trusted path verification.

Severity

Critical

Rule Requirement

Criteria

Action1: actionname = "Image Loaded" AND (OBJECTNAME contains ":\windows \System32\,:\windows \SysWOW64") select Action1.HOSTNAME,Action1.MESSAGE,Action1.PROCESSNAME,Action1.PRODUCT_NAME,Action1.OBJECTNAME,Action1.SIGNATURE,Action1.SIGNATURESTATUS

Detection

Execution Mode

realtime

Log Sources

Windows

Author

@Swachchhanda Shrawan Poudel (Nextron Systems)