Suspicious Ping/Del Command Combination
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About the rule
Rule Type
Standard
Rule Description
Detects a method often used by ransomware. Which combines the "ping" to wait a couple of seconds and then "del" to delete the file in question. Its used to hide the file responsible for the initial infection for example
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND COMMANDLINE contains " -n , /n , –n , —n , ―n " AND COMMANDLINE contains "Nul" AND (COMMANDLINE contains " -f , /f , –f , —f , ―f " OR COMMANDLINE contains " -q , /q , –q , —q , ―q ") AND (COMMANDLINE contains "ping" AND COMMANDLINE contains "del ") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Ilya Krestinichev
