New Golang-Based Backdoor Uses Telegram Bot API for Evasive C2 Operations
Feb 17, 2025
Threat Intelligence / Cyber Attack
Cybersecurity researchers have shed light on a new Golang-based backdoor that uses Telegram as a mechanism for command-and-control (C2) communications. Netskope Threat Labs, which detailed the functions of the malware, described it as possibly of Russian origin. "The malware is compiled in Golang and once executed it acts like a backdoor," security researcher Leandro Fróes said in an analysis published last week. "Although the malware seems to still be under development it is completely functional." Once launched, the backdoor is designed to check if it's running under a specific location and using a specific name – "C:\Windows\Temp\svchost.exe" – and if not, it reads its own contents, writes them to that location, and creates a new process to launch the copied version and terminate itself. A notable aspect of the malware is that it uses an open-source library that offers Golang bindings for the Telegram Bot API for C2 purposes. This involves...