Displaying Hidden Files Feature Disabled
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About the rule
Rule Type
Standard
Rule Description
Detects modifications to the "Hidden" and "ShowSuperHidden" explorer registry values in order to disable showing of hidden files and system files. This technique is abused by several malware families to hide their files from normal users.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Registry value modified" AND (OBJECTNAME endswith "\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden,\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Hidden" OR (OBJECTNAME endswith "\Microsoft\Windows\CurrentVersion\Explorer\Advanced,\Microsoft\Windows\CurrentVersion\Explorer\Advanced" AND OBJECTVALUENAME = "ShowSuperHidden,Hidden")) 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
