SysJoker Backdoor Trojan Infects Windows, macOS, and Linux

1PW · Jan 13, 2022

macOS SHA-256 = 1a9a5c797777f37463b44de2b49a7f95abca786db3977dcdac0f79da739c08ac

Based on the malware’s capabilities we assess that the goal of the attack is espionage together with lateral movement which might also lead to a ransomware attack as one of the next stages.
https://www.intezer.com/blog/malware-analysis/new-backdoor-sysjoker/
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A new multi-platform backdoor malware named 'SysJoker' has emerged in the wild, targeting Windows, Linux, and macOS with the ability to evade detection on all three operating systems.

The discovery of the new malware comes from researchers at Intezer who first saw signs of its activity in December 2021 after investigating an attack on a Linux-based web server.

The first uploads of the malware sample on VirusTotal occurred in H2 2021, which also aligns with the C2 domain registration times.

The security analysts have now published a detailed technical report on SysJoker, which they shared with Bleeping Computer before publication.
https://www.bleepingcomputer.com/ne...ker-backdoor-targets-windows-macos-and-linux/
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https://www.securityweek.com/new-cross-platform-backdoor-sysjoker-used-targeted-attacks

ProTruckDriver · Jan 13, 2022

It looks like I'm protected from this on the Mac. Not that I don't trust Apple to keep me protected, I believe in layer security. Just old habits I guess from being a long time Windows user.
https://forums.malwarebytes.com/top...backdoor-malware-targets-windows-linux-macos/

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SysJoker Backdoor Trojan Infects Windows, macOS, and Linux

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SysJoker Backdoor Trojan Infects Windows, macOS, and Linux

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