Potential DLL Sideloading Using Coregen.exe

Last updated on:

Applies to: Log360Log360 Cloud

About the rule

Rule Type

Standard

Rule Description

Detect usage of the "coregen.exe" (Microsoft CoreCLR Native Image Generator) binary to sideload arbitrary DLLs.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Image Loaded" AND PROCESSNAME endswith "\coregen.exe" AND OBJECTNAME notstartswith "C:\Program Files (x86)\Microsoft Silverlight\,C:\Program Files\Microsoft Silverlight\,C:\Windows\System32\,C:\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

frack113