Suspicious Msiexec Quiet Install From Remote Location
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About the rule
Rule Type
Standard
Rule Description
Detects usage of Msiexec.exe to install packages hosted remotely quietly
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME endswith "\msiexec.exe" OR ORIGINALFILENAME = "msiexec.exe") AND (COMMANDLINE contains "-i,/i,–i,—i,―i" OR COMMANDLINE contains "-package,/package,–package,—package,―package" OR COMMANDLINE contains "-a,/a,–a,—a,―a" OR COMMANDLINE contains "-j,/j,–j,—j,―j") AND COMMANDLINE contains "-q,/q,–q,—q,―q" AND COMMANDLINE contains "http,\" 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)
