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TA0005 · DEFENSE EVASION

CMSTP

T1218.003Sub-technique of System Binary Proxy ExecutionWindowsattack.mitre.org

Adversaries may abuse CMSTP to proxy execution of malicious code. The Microsoft Connection Manager Profile Installer (CMSTP.exe) is a command-line program used to install Connection Manager service profiles.

Detect it with

Use process monitoring to detect and analyze the execution and arguments of CMSTP.exe. Compare recent invocations of CMSTP.exe with prior history of known good arguments and loaded files to determine anomalous and potentially adversarial activity.

Why it matters on shift

CMSTP is one of the concrete ways adversaries achieve defense evasion. Recognising it in telemetry lets you name the technique in your ticket and pivot to what came before and after.

What to look for next

After defense evasion, the next tactic is usually Credential Access. Search your telemetry for the transition before closing the ticket.

Kill-chain context

← beforePrivilege EscalationDefense Evasionafter →Credential Access