Medusa Ransom Note File Creation
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About the rule
Rule Type
Standard
Rule Description
Detects the creation of Medusa ransomware ransom note files (!!!READ_ME_MEDUSA!!!.txt) on monitored endpoints.
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "File Created or Modified" AND (OBJECTNAME contains "READ_ME_MEDUSA!!!.txt" OR FILENAME contains "READ_ME_MEDUSA!!!.txt")
select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.OBJECTNAME,Action1.FILENAME,Action1.PROCESSNAME,Action1.FILETYPE,Action1.ACCESSLIST
Detection
Execution Mode
realtime
Log Sources
Windows
