DLL Load By System Process From Suspicious Locations

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About the rule

Rule Type

Standard

Rule Description

Detects when a system process (i.e. located in system32, syswow64, etc.) loads a DLL from a suspicious location or a location with permissive permissions such as "C:\\Users\\Public"

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "sa_imageloaded" AND PROCESSNAME startswith "C:\Windows" AND OBJECTNAME startswith "C:\Users\Public\,C:\PerfLogs" select Action1.HOSTNAME,Action1.MESSAGE,Action1.PROCESSNAME,Action1.PRODUCT_NAME,Action1.OBJECTNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Nasreddine Bencherchali (Nextron Systems)