New SysJoker Backdoor Targets Windows, Linux, and macOS

Security Alert
Published January 12, 2022

In December 2021, Intezer discovered a new multi-platform backdoor that targets Windows, Mac, and Linux. The Linux and Mac versions are fully undetected in VirusTotal. Intezer named this backdoor SysJoker.

GROUP:
MALWARE FAMILY:
SysJoker

ATT&CK IDS:
T1059 – Command and Scripting InterpreterT1134 – Access Token ManipulationT1070 – Indicator Removal on HostT1036 – MasqueradingT1132 – Data EncodingT1102.001 – Dead Drop Resolver

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