Suspicious Printer Driver Empty Manufacturer

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About the rule

Rule Type

Standard

Rule Description

Detects a suspicious printer driver installation with an empty Manufacturer value

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Registry value modified" AND (((OBJECTNAME contains "\Control\Print\Environments\Windows x64\Drivers" AND OBJECTNAME contains "\Manufacturer") OR ((OBJECTNAME contains "\Manufacturer" OR OBJECTVALUENAME contains "\Manufacturer") OR (OBJECTNAME endswith "\Control\Print\Environments\Windows x64" AND OBJECTVALUENAME startswith "Drivers"))) AND INFORMATION = "(Empty)") AND ((OBJECTNAME notcontains "\CutePDF Writer v4.0" AND (OBJECTNAME notendswith "\CutePDF Writer v4.0" OR isNotExist(OBJECTVALUENAME))) AND (OBJECTNAME notcontains "\VNC Printer (PS)\,\VNC Printer (UD)" AND ((OBJECTNAME notendswith "\VNC Printer (PS)" OR isNotExist(OBJECTVALUENAME)) AND (OBJECTNAME notendswith "\VNC Printer (UD)" OR isNotExist(OBJECTVALUENAME)))) AND (OBJECTNAME notcontains "\Version-3\PDF24" AND (OBJECTNAME notendswith "\Version-3\PDF24" OR isNotExist(OBJECTVALUENAME)))) select Action1.HOSTNAME,Action1.MESSAGE,Action1.OBJECTNAME,Action1.PROCESSNAME,Action1.PREVVAL,Action1.CHANGES

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Florian Roth (Nextron Systems)