Command running with COMSPEC in the command line argument

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	XDR Agent
ATT&CK Tactic	Execution (TA0002)
ATT&CK Technique	Command and Scripting Interpreter: Windows Command Shell (T1059.003)
Severity	Low

Description

COMSPEC is an environmental variable that points to cmd.exe. Attackers may use this command to obfuscate their command and avoid detection.

Attacker's Goals

Attackers might use environment variables to try and avoid being detected and obfuscate their commands.

Investigative actions

Investigate the actor and the command line that executed with COMSPEC Verify that the command executed from a trusted source.