PUA - Rclone Execution
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About the rule
Rule Type
Standard
Rule Description
Detects execution of RClone utility for exfiltration as used by various ransomwares strains like REvil, Conti, FiveHands, etc
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (COMMANDLINE contains "--config " AND COMMANDLINE contains "--no-check-certificate " AND COMMANDLINE contains " copy ") OR ((PROCESSNAME endswith "\rclone.exe" OR MESSAGE = "Rsync for cloud storage") AND COMMANDLINE contains "pass,user,copy,sync,config,lsd,remote,ls,mega,pcloud,ftp,ignore-existing,auto-confirm,transfers,multi-thread-streams,no-check-certificate ") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Bhabesh Raj, Sittikorn S, Aaron Greetham (@beardofbinary) - NCC Group
