Compressed File Extraction Via Tar.EXE
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About the rule
Rule Type
Standard
Rule Description
Detects execution of "tar.exe" in order to extract compressed file. Adversaries may abuse various utilities in order to decompress data to avoid detection.
Severity
Attention
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME endswith "\tar.exe" OR ORIGINALFILENAME = "bsdtar") AND COMMANDLINE contains "-x" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
AdmU3
