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NGROK / Ligolo

This is a defensive tool-intelligence page. It is intended for analyst navigation, source review, and hunt planning. It is not a malware-analysis report and does not contain sample code or binaries.

Summary

  • Associated actor(s): Pioneer Kitten
  • Tool type(s): Tunneling / proxy tooling
  • Confidence level(s): High
  • Source ID(s): SRC-CISA-AA24-241A

Behavior

ActorBehavior Summary
Pioneer KittenDual-use tunneling tools used after edge compromise in Pioneer Kitten / Fox Kitten reporting.

Hash And IOC Status

ActorStatusReference
Pioneer KittenNo malware hash; monitor tool binary, process, account, and network usage against approved admin list.SRC-CISA-AA24-241A

Hashes and IOCs on this page are source pointers or representative public indicators. They SHOULD be refreshed from the linked source before operational use and MUST NOT be used alone for actor attribution.

Defensive Hunting Notes

ActorHunting Notes
Pioneer KittenHunt unauthorized tunnels from edge servers, VPN appliances, or administrator workstations.

Handling Notes

ActorHandling Notes
Pioneer KittenDual-use; require local allowlisting.

Mapped ATT&CK Techniques For Associated Actor(s)

ActorTechniqueTacticMapping QualitySource
Pioneer KittenT1190 Exploit Public-Facing ApplicationInitial AccessM2SRC-CISA-AA24-241A
Pioneer KittenT1219 Remote Access SoftwareCommand and ControlM2SRC-CISA-AA24-241A
Pioneer KittenT1572 Protocol TunnelingCommand and ControlM2SRC-CISA-AA24-241A

These detections are mapped through the associated actor or scenario and are not automatically tool-specific. Promote a tool-specific detection only after the behavior is tied to telemetry and test evidence.

ActorDetectionRelease StatusDRLRule
Pioneer KittenDET-002 - Suspicious RMM Installer Download From User ContextPilot6detections/sigma/suspicious-rmm-file-sharing-download.yml
Pioneer KittenDET-003 - Unitronics PLC HMI Web Interface AccessHunt4detections/sigma/unitronics-plc-hmi-web-access.yml

These hunts are mapped through the associated actor or scenario and may need narrowing before they are used for this specific tool.

ActorHuntHypothesisQuery
Pioneer KittenHUNT-002If MuddyWater-style RMM abuse is active then unauthorized RMM execution will appear from user-controlled pathsdetections/kql/suspicious-rmm-file-sharing-download.kql
Pioneer KittenHUNT-003If exposed PLC/HMI surfaces are targeted then OT management paths or ports will show external accessdetections/sigma/unitronics-plc-hmi-web-access.yml

Source Review

SourcePublisherDateReliabilityTypeLast Reviewed
SRC-CISA-AA24-241AFBI / CISA / DC32024-08-28AGovernment advisory2026-05-14

If a source publishes a large or frequently changing IOC appendix, keep the current IOC list in the source system or TIP and store only the pointer here.