Potential Arbitrary File Download Via Cmdl32.EXE
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About the rule
Rule Type
Standard
Rule Description
Detects execution of Cmdl32 with the "/vpn" and "/lan" flags. Attackers can abuse this utility in order to download arbitrary files via a configuration file. Inspect the location and the content of the file passed as an argument in order to determine if it is suspicious.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME endswith "\cmdl32.exe" OR ORIGINALFILENAME = "CMDL32.EXE") AND (COMMANDLINE contains "/vpn" AND COMMANDLINE contains "/lan") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
frack113
