Ezuri: Regenerating a different kind of target. [Research Saturday]

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4.8 • 1.1K Ratings

🗓️ 3 April 2021

⏱️ 19 minutes

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Summary

Guests Fernando Martinez and Tom Hegel from AT&T Alien Labs join Dave to discuss their team's research "Malware using new Ezuri memory loader." Multiple threat actors have recently started using a Go language (Golang) tool to act as a packer and avoid Antivirus detection. Additionally, the Ezuri memory loader tool acts as a malware loader and executes its payload in memory, without writing the file to disk. While this technique is known and commonly used by Windows malware, it is less popular in Linux environments. The research can be found here: Malware using new Ezuri memory loader Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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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
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0:48.4	Their secret, a culture that nurtures the sharpest minds, giving them access to the newest technologies and the freedom
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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 CyberWires Research Saturday.
1:25.0	I'm Dave Bitner and this is our weekly conversation with researchers and analysts tracking
1:30.8	down threats and vulnerabilities,
1:32.6	solving some of the hard problems of protecting ourselves
1:35.8	in a rapidly evolving cyberspace.
1:38.2	Thanks for joining us. We came across an interesting loader that was targeting Linux operating systems and, you know, taking a dive into that particular
1:54.9	loader it kind of you know opened the door into kind of an interesting sets of
1:59.0	events that we haven't quite seen very often.
2:01.6	Joining me are Fernando Martinez and Tom Hagel from AT&T Alien Labs.
2:07.0	We're discussing malware using the new Isuri memory loader. You can sense to glory. Is this disdarted something? Feel it in your bone.
2:23.0	Wow!
	...

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