Command Line Execution with Suspicious URL and AppData Strings
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About the rule
Rule Type
Standard
Rule Description
Detects a suspicious command line execution that includes an URL and AppData string in the command line parameters as used by several droppers (js/vbs > powershell)
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND PROCESSNAME endswith "\cmd.exe" AND (COMMANDLINE contains "http" AND COMMANDLINE contains "://" AND COMMANDLINE contains "%AppData%") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Florian Roth (Nextron Systems), Jonhnathan Ribeiro, oscd.community
