BlueShell Used in Attacks Against Linux Systems in Korea (2)

AhnLab SEcurity intelligence Center (ASEC) previously uploaded the article “BlueShell Used in APT Attacks Against Korean and Thai Targets” [1] on the ASEC blog which introduced BlueShell malware strains that were used against Linux systems in Thailand and Korea. The threat actor customized the BlueShell backdoor malware for their attack, and configured the malware’s operating condition to only work in specific systems.

Even after the article’s release, the BlueShell malware strains developed by the same threat actor are being continuously …

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