Possible Residential Proxyware Beacon to PacketSDK Infrastructure

ATT&CK techniques

C2

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
- T1071.001Web Protocols
- T1090.002External Proxy
Exfiltration
Impact

What it detects

This rule detects DNS lookups for proxyware SDK command infrastructure such as packetsdk and hexsdk and castarsdk domains used by residential proxy networks. Such beacons indicate a host has been enrolled as a proxy exit node without authorization.

Reporting behind it

Related detections9 linkedT1071.001 — drag to rearrange

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Suspicious PipeMagic Named Pipe Creation (via pipe_created)

Suspicious UUID Named Pipe Created Consistent with Mythic SMB Agent

Suspicious RuntimeBroker Network Connection via Loki Mythic Agent

Possible Residential Proxyware Beacon to PacketSDK Infrastructure

Pivot detection · T1071.001 · 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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