Suspicious MsiExec Embedding Parent

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About the rule

Rule Type

Standard

Rule Description

Adversaries may abuse msiexec.exe to proxy the execution of malicious payloads

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (PROCESSNAME endswith "\powershell.exe,\pwsh.exe,\cmd.exe" AND (PARENTPROCESSCOMMANDLINE contains "MsiExec.exe" AND PARENTPROCESSCOMMANDLINE contains "-Embedding ")) AND ((PROCESSNAME notendswith ":\Windows\System32\cmd.exe" OR COMMANDLINE notcontains "C:\Program Files\SplunkUniversalForwarder\bin") AND (COMMANDLINE notcontains "\DismFoDInstall.cmd" AND (PARENTPROCESSCOMMANDLINE notcontains "\MsiExec.exe -Embedding " OR PARENTPROCESSCOMMANDLINE notcontains "Global\MSI0000"))) 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