Ruby Inline Command Execution
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About the rule
Rule Type
Standard
Rule Description
Detects execution of ruby using the "-e" flag. This is could be used as a way to launch a reverse shell or execute live ruby code.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME endswith "\ruby.exe" OR ORIGINALFILENAME = "ruby.exe") AND COMMANDLINE contains " -e" 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)
