Reptile Rootkit: Advanced Linux Malware Targeting South Korean Systems
1 min read
Aug 07, 2023
Threat actors are using an open-source rootkit called Reptile to target Linux systems in South Korea.
"Unlike other rootkit malware that typically only provide concealment capabilities, Reptile goes a step further by offering a reverse shell, allowing threat actors to easily take control of systems," the AhnLab Security Emergency Response Center (ASEC) said in a report published this week.
"Port knocking is a method where the malware opens a specific port on an infected system and goes on standby. When the threat actor sends a magic packet to the system, the received packet is used as a basis to establish a connection with the C&C server."
A rootkit is a malicious software program that's designed to provide privileged, root-level access to a machine while concealing its presence. At least four different campaigns have leveraged Reptile since 2022.
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