First nasty to exploit Modbus to screw with operational tech devices
A previously unseen malware, dubbed FrostyGoop, able to disrupt industrial processes was used in a cyberattack against a district energy company in Ukraine last northern winter, resulting in two days without heat for hundreds of people during sub-zero temperatures.
"The dwellings of those buildings started to get quite uncomfortable," Graham noted, during a briefing with reporters. The Modbus protocol is used by hundreds if not thousands of device vendors globally, and"is not very well secured," Graham noted."Typically no authentication mechanisms exist, and so a successful communication with the device doesn't really need anything more than presence on that network to be able to instruct the device in some way."
Using the Modbus protocol, FrostyGoop can send commands, including specifying targets, and also read and write data to ICS devices.
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