Reptile Malware Targeting Linux Systems Posted By Sanseo , August 3, 2023 Reptile is an open-source kernel module rootkit that targets Linux systems and is publicly available on GitHub. [1] Rootkits are malware that possess the capability to conceal themselves or other malware. They primarily target files, processes, and network communications for their concealment. Reptile’s concealment capabilities include not only its own kernel module but also files, directories, file contents, processes, and network traffic. Unlike other rootkit malware that typically only provide concealment capabilities, Reptile goes a step further by offering a reverse…
Analysis of the Rekoobe Backdoor Being Used In Attacks Against Linux Systems in Korea Posted By Sanseo , July 11, 2023 Rekoobe is a backdoor known to be used by APT31, a threat group based in China. AhnLab Security Emergency Response Center (ASEC) has been receiving reports of the Rekoobe malware from tenants in Korea for several years, and will hereby share its brief analysis. Additionally, the Rekoobe variants will be categorized along with a summary of the ones used to target Korean companies. 1. Overview Rekoobe is a backdoor that targets Linux environments. It was first discovered in 2015, [1]…