Suspicious NetSupport RAT client32 Execution

ATT&CK techniques

C2

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
- T1219Remote Access Tools
Exfiltration
Impact

What it detects

This rule detects execution of client32.exe, the NetSupport Manager remote control client. The Horns and Hooves campaign delivered NetSupport RAT as client32.exe for remote access, and its presence outside sanctioned NetSupport deployments should be investigated.

Reporting behind it

Related detections9 linkedT1219 — drag to rearrange

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Suspicious Remote Monitoring Tool Executing from GoAnywhere Directory

Suspicious NetSupport Manager Remote Client Execution (via process_creation)

Suspicious ScreenConnect Remote Access Client Spawning PowerShell (via process_creation)

Suspicious NetSupport RAT client32 Execution

Pivot detection · T1219 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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