SysJoker backdoor masquerades as benign updates. [Research Saturday]

CyberWire Daily

N2K Networks, Inc.

Daily News, Tech News, News, Technology

4.6 • 1K Ratings

🗓️ 12 February 2022

⏱️ 14 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

Guests Avigayil Mechtinger and Ryan Robinson from Intezer discuss SysJoker malware, a backdoor that targets Windows, Linux and MacOS, Malware targeting multiple operating systems has become no exception in the malware threat landscape. Vermilion Strike, which was documented just last September, is among the latest examples until now. In December 2021, the team at 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. SysJoker was first discovered during an active attack on a Linux-based web server of a leading educational institution. After further investigation, Intezer found that SysJoker also has Mach-O and Windows PE versions. Based on Command and Control (C2) domain registration and samples found in VirusTotal, Intezer estimates that the SysJoker attack was initiated during the second half of 2021. The research can be found here: New SysJoker Backdoor Targets Windows, Linux, and macOS

Transcript

Click on a timestamp to play from that location

0:00.0	You're listening to the CyberWire Network, powered by N2K.
0:07.0	Today's episode is sponsored by SRM, your first call for cybersecurity and
0:18.1	investigations. Threats today are evolving faster than ever before and since 2005 SRM has pioneered
0:25.3	tailored security solutions for global corporations and their executives.
0:29.5	Whether it's defending against cyber attacks with their award-winning team of ethical hackers and incident response specialists,
0:36.4	or navigating the murky waters of compliance and ESG challenges,
0:40.9	SRMs, Insight and Straight straightforward advice will help you navigate complex risks
0:46.4	and emerge more resilient.
0:48.4	Their secret, a culture that nurtures the sharpest minds, giving them access to the newest technologies and the freedom
0:55.3	to solve problems in new ways, enabling them to craft simple effective solutions for your
1:01.4	unique cyber challenges.
1:03.7	Search your first call to discover how SRM can help your business. Hello everyone and welcome to the CyberWire's research Saturday.
1:26.7	I'm Dave Bitner and this is our weekly conversation with researchers and analysts tracking
1:31.6	down threats and vulnerabilities, solving some of the hard
1:34.8	problems of protecting ourselves in a rapidly evolving cyberspace.
1:39.4	Thanks for joining us.
1:56.1	So basically, Sisk Joker was found during an active attack on a Linux-based web server and after some research we found out that SIS Joker is actually has Mac and Windows versions.
2:01.6	Joining us today are Avagile Mechtinger and Ryan Robinson, both security researchers at Intezer.
2:08.0	The research is titled New Cist Joker Back Door
2:11.0	targets Windows, Linux, and Mac OS. Want to have your voice heard? Listeners, what are you most proud of this week?
2:25.0	Hello, caller 1.
2:26.0	I moved into my first flat.
	...

Please login to see the full transcript.

Previous episode | Next episode

Disclaimer: The podcast and artwork embedded on this page are from N2K Networks, Inc., and are the property of its owner and not affiliated with or endorsed by Tapesearch.

Generated transcripts are the property of N2K Networks, Inc. and are distributed freely under the Fair Use doctrine. Transcripts generated by Tapesearch are not guaranteed to be accurate.