ELF/Sshdinjector.A!tr is a collection of malware that can be injected into the SSH daemon. Samples of this malware collection surfaced around mid-November 2024.
While Fortinet researchers have a good amount of threat intelligence on them (e.g., they are attributed to the DaggerFly espionage group and were used during the Lunar Peek campaign against network appliances), nobody seems to have looked into what they actually do. In this blog post, the researchers will focus on the reverse engineering of the attack’s binaries and how this reverse engineering was achieved.
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Source: Fortinet
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