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Caterpillar WebShell

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): Lebanese Cedar
  • Tool type(s): Web Shell
  • Confidence level(s): Medium
  • Source ID(s): SRC-CLEARSKY-LEBANESE-CEDAR

Behavior

ActorBehavior Summary
Lebanese CedarModified JSP file browser/webshell used by Lebanese Cedar for persistence on public-facing servers.

Hash And IOC Status

ActorStatusReference
Lebanese CedarHash not committed; use ClearSky report references.SRC-CLEARSKY-LEBANESE-CEDAR

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
Lebanese CedarHunt modified JSP files, unexpected upload paths, and web server process spawning shells.

Handling Notes

ActorHandling Notes
Lebanese CedarUse behavior and webroot integrity monitoring.

Mapped ATT&CK Techniques For Associated Actor(s)

ActorTechniqueTacticMapping QualitySource
Lebanese CedarT1190 Exploit Public-Facing ApplicationInitial AccessM2SRC-CLEARSKY-LEBANESE-CEDAR
Lebanese CedarT1505.003 Web ShellPersistenceM2SRC-CLEARSKY-LEBANESE-CEDAR

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
Lebanese CedarDET-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
Lebanese CedarHUNT-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-CLEARSKY-LEBANESE-CEDARClearSky Cyber Security2021-01-28BVendor CTI2026-05-14

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.