malware Showboat Linux Malware Hits Middle East Telecom with SOCKS5 Proxy Backdoor A new Linux malware, dubbed Showboat, has been used in a campaign targeting a telecommunications provider in the Middle East since at least 2022. The malware, developed by a China-linked threat actor group known as Calyp… The Hacker News · May 21, 2026 High CVE-2021-26855AFAZCHlinuxsocks5c2
threat-intel Chinese APTs Share Linux Backdoor in Central Asia Telco Attacks This article details the discovery of "Showboat" (kworker), a Linux post-exploitation framework being shared among Chinese Advanced Persistent Threat (APT) groups, primarily Calypso and Red Lamassu. The malware has been… Dark Reading · May 21, 2026 Medium CHAFUKaptlinuxspyware