elf.horseshell (Back to overview)

Horse Shell

Checkpoint Research describes this as part of a custom firmware image affiliated with the Chinese state-sponsored actor “Camaro Dragon”, a custom MIPS32 ELF implant. HorseShell, the main implant inserted into the modified firmware by the attackers, provides the attacker with 3 main functionalities:
* Remote shell: Execution of arbitrary shell commands on the infected router
* File transfer: Upload and download files to and from the infected router.
* SOCKS tunneling: Relay communication between different clients.

2023-05-16Check Point ResearchItay Cohen, Radoslaw Madej
The Dragon Who Sold his Camaro: Analyzing a Custom Router Implant
Horse Shell Camaro Dragon

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