File Encryption Using Gpg4win
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About the rule
Rule Type
Standard
Rule Description
Detects usage of Gpg4win to encrypt files
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME endswith "\gpg.exe,\gpg2.exe" OR MESSAGE = "GnuPG’s OpenPGP tool") AND (COMMANDLINE contains " -c " AND COMMANDLINE contains "passphrase") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Nasreddine Bencherchali (Nextron Systems)
