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T0843 Program Download — Detection Rules

Detection workspace for T0843 Program Download: 0 Sigma sources, 0 Atlas concepts and 0 anomaly models. No live detection validation.

Source-backed rule directory

No reviewed association in this snapshot.

Atlas deterministic concepts

No exact concept selected.

Anomaly models

No exact Atlas model in this snapshot.

ATT&CK analytic guidance

DET0752 Detection of Program Download

AN1884 Analytic 1884

Real-time monitoring identifies an Industrial Control System (ICS) protocol session consistent with a program download to a field device from a source not in the approved engineering workstation list, correlated with a device mode-change alarm transitioning to PROGRAM/STOP immediately preceding the transfer. Documented in Stuxnet (code/data block download to alter programmable logic controller behavior) and Triton (TriStation protocol program download to the Triconex Safety Instrumented System). OT operational-fidelity gate: Alert only when the action is not attributable to an authorized operator/engineering source for the specific target and function, and it is either outside an approved change/maintenance window or lacks matching change-control context; where telemetry permits, require corroborating device, configuration, or process-state effect. Suppress activity that fully matches approved maintenance, commissioning, failover, recovery, or tested control procedures.

Connected ecosystem references

Linked tags

Simulation, tools and telemetry

T0843 simulation workspace

No reviewed association in this snapshot.

Existing anomaly research

Original publication snapshot · Anomaly Detection Atlas

Complete technique engineering workbook

Collection configuration and event examples · Anomaly models and design worksheet · Tools and documented software · Simulation procedures · Offline synthetic collection check

Exact source tags are not semantic relevance verdicts. Review actual rule conditions and observation points; imported rules are not backend-compiled or live-validated.

Pinned research references. No browser attack runner or production-validated detector is asserted. Imported procedures remain unvalidated; any bounded lab evidence has its own scope. ATT&CK / Atomic provenance · Detection provenance.