Remote Thread Created In Shell Application

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About the rule

Rule Type

Standard

Rule Description

Detects remote thread creation in command shell applications, such as "Cmd.EXE" and "PowerShell.EXE". It is a common technique used by malware, such as IcedID, to inject malicious code and execute it within legitimate processes.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "sa_create_remote_thread" AND PROCESSNAME endswith "\cmd.exe,\powershell.exe,\pwsh.exe" AND PARENTPROCESSNAME notstartswith "C:\Windows\System32\,C:\Windows\SysWOW64\,C:\Program Files (x86)\,C:\Program Files" AND PARENTPROCESSNAME notendswith "\MsMpEng.exe" select Action1.HOSTNAME,Action1.MESSAGE,Action1.PROCESSNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Splunk Research Team