Potential DLL Injection Via AccCheckConsole

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About the rule

Rule Type

Standard

Rule Description

Detects the execution "AccCheckConsole" a command-line tool for verifying the accessibility implementation of an application's UI. One of the tests that this checker can run are called "verification routine", which tests for things like Consistency, Navigation, etc. The tool allows a user to provide a DLL that can contain a custom "verification routine". An attacker can build such DLLs and pass it via the CLI, which would then be loaded in the context of the "AccCheckConsole" utility.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (PROCESSNAME endswith "\AccCheckConsole.exe" OR ORIGINALFILENAME = "AccCheckConsole.exe") AND COMMANDLINE contains " -hwnd, -process , -window " select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Florian Roth (Nextron Systems)