LIGHTWORK
- First seen
- 2023-03-01 00:00:00
- Malware type
- wiper
- Profile updated
- 2026-07-07 15:09:39
Targeted industries: energy-and-utilities
Targeted regions: country_code:ua
Context
According to Mandiant, LIGHTWORK is a disruption tool written in C++ that implements the IEC-104 protocol to modify the state of RTUs over TCP. It crafts configurable IEC-104 ASDU messages, to change the state of RTU IOAs to ON or OFF. This sample works in tandem with PIEHOP, which sets up the execution.
Detection coverage
- 1 YARA rules
Detection rules
- MALPEDIA_Win_Lightwork_Auto (yara-rule)
Reports & references
- malpedia.caad.fkie.fraunhofer.de — Win.Lightwork (report)
- Mandiant — Cosmicenergy Ot Malware Russian Response (report)