Registry Hide Function from User

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About the rule

Rule Type

Standard

Rule Description

Detects registry modifications that hide internal tools or functions from the user (malware like Agent Tesla, Hermetic Wiper uses this technique)

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Registry value modified" AND ((OBJECTNAME endswith "SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideClock,SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCAHealth,SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCANetwork,SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCAPower,SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCAVolume" OR (OBJECTNAME endswith "SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer,SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer,SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer,SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer,SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" AND OBJECTVALUENAME = "HideClock,HideSCAHealth,HideSCANetwork,HideSCAPower,HideSCAVolume")) AND (INFORMATION = "DWORD (0x00000001)" OR (CHANGES = 1 AND NEWTYPE = "REG_DWORD"))) OR ((OBJECTNAME endswith "SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowInfoTip,SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowCompColor" OR (OBJECTNAME endswith "SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced,SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced" AND OBJECTVALUENAME = "ShowInfoTip,ShowCompColor")) AND (INFORMATION = "DWORD (0x00000000)" OR (CHANGES = 0 AND NEWTYPE = "REG_DWORD"))) select Action1.HOSTNAME,Action1.MESSAGE,Action1.OBJECTNAME,Action1.PROCESSNAME,Action1.PREVVAL,Action1.CHANGES

Detection

Execution Mode

realtime

Log Sources

Windows

Author

frack113