Execute From Alternate Data Streams
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About the rule
Rule Type
Standard
Rule Description
Detects execution from an Alternate Data Stream (ADS). Adversaries may use NTFS file attributes to hide their malicious data in order to evade detection
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND COMMANDLINE contains "txt:" AND ((COMMANDLINE contains "type " AND COMMANDLINE contains " > ") OR (COMMANDLINE contains "makecab " AND COMMANDLINE contains ".cab") OR (COMMANDLINE contains "reg " AND COMMANDLINE contains " export ") OR (COMMANDLINE contains "regedit " AND COMMANDLINE contains " /E ") OR (COMMANDLINE contains "esentutl " AND COMMANDLINE contains " /y " AND COMMANDLINE contains " /d " AND COMMANDLINE contains " /o ")) select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
frack113
