Suspicious Infostealer C2 Heartbeat to bot heartbeat Endpoint

ATT&CK techniques

Exfiltration

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
- T1041Exfiltration Over C2 Channel
Impact

What it detects

This rule detects outbound POST requests to a bot heartbeat command and control endpoint used by the macOS infostealer to check in with its operator. The implant beacons to a heartbeat path to receive tasking and confirm the victim is live. Regular POST traffic to this endpoint indicates an active infostealer implant maintaining C2.

Reporting behind it

Related detections9 linkedT1041 — drag to rearrange

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Suspicious InvisibleFerret C2 Endpoints over Port 1224 (via proxy)

Suspicious CurKeep Backdoor C2 API Endpoints (via proxy)

Suspicious Infostealer C2 Heartbeat to bot heartbeat Endpoint

Pivot detection · T1041 · 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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