Justin Grosfelt (@jgrosfelt) 's Twitter Profile
Justin Grosfelt

@jgrosfelt

Love/hate relationship with malware that leads to drinking a lot of bourbon. Thoughts are my own and you won't want them anyways.

ID: 120835757

calendar_today07-03-2010 18:18:35

104 Tweet

176 Takipçi

486 Takip Edilen

Christopher Ahlberg (@cahlberg) 's Twitter Profile Photo

So incredibly excited to announce that Recorded Future has acquired SecurityTrails, A Recorded Future Company! Know the Enemy, Know Yourself coming true - perfect combo of threat and attack surface intelligence. recordedfuture.com/press-releases…

Avigayil Mechtinger (@abbymch) 's Twitter Profile Photo

Excited to share Part 1 of Malware RE for Beginners! Learn about basic computing terms and assembly language from 0x0 intezer.com/blog/malware-a… Intezer

Excited to share Part 1 of Malware RE for Beginners!

Learn about basic computing terms and assembly language from 0x0 

intezer.com/blog/malware-a…
<a href="/IntezerLabs/">Intezer</a>
Justin Grosfelt (@jgrosfelt) 's Twitter Profile Photo

For me #100daysofyara will be less frequent, however, I did get one in for week#1,nothing too crazy, but did come up with a cool script to find the common strings across a directory of files, something I hope to use more of, thanks Greg Lesnewich bethreatresilient.com/blog/100daysof…

Greg Lesnewich (@greglesnewich) 's Twitter Profile Photo

Paul makes a key point here - knowledge of the depth seen in these rules takes time AND people. Behind every rule there are additional RE's and analysts that made it work

Justin Grosfelt (@jgrosfelt) 's Twitter Profile Photo

It sure would be nice to be able to pour a full container of windshield wiper fluid in my car without having the 1/5th at the bottom that I will never use

Justin Grosfelt (@jgrosfelt) 's Twitter Profile Photo

Looks like I can finally sleep and enjoy weekends again :) Loved every single challenge, 8 was like a nightmare wrapped in a nightmare only to wake up in hell. Till next year! #flareon9

Looks like I can finally sleep and enjoy weekends again :) Loved every single challenge, 8 was like a nightmare wrapped in a nightmare only to wake up in hell. Till next year! #flareon9
Lindsay Kaye (@thequeenofelf) 's Twitter Profile Photo

So happy to see my report on pre-ransomware TTPs for ESXi available to the public! Check it out here: recordedfuture.com/in-before-the-…

Christopher Ahlberg (@cahlberg) 's Twitter Profile Photo

Thrilled to be able to continue to support Ukraine and our friends and colleagues there in the war to dislodge russia from their country. Slava Ukraini!

c2_links (@c2links) 's Twitter Profile Photo

You too can scan for #Hodur :) Check out my latest blog inspired by Takahiro Haruyama #MustangPanda #MaliciousInfrastructure c2links.com/2024/07/03/tra…

Justin Grosfelt (@jgrosfelt) 's Twitter Profile Photo

For those of you who have analyzed Rhadamanthys before, Insikt Group feels your pain. We got you covered for version 0.7.0, take a break until 0.8.0 comes out. :) #rhadamanthys #insiktgroup recordedfuture.com/research/rhada…

Alexander Leslie (@aejleslie) 's Twitter Profile Photo

Read more! This report includes an extensive list of net new Rhysida infrastructure and so, so much more! Huge shoutout to the entire Insikt Group team on this effort — especially Julian-Ferdinand, Calwarez, TJ Nel, and Justin Grosfelt. Amazing work. PDF: go.recordedfuture.com/hubfs/reports/…

Read more! This report includes an extensive list of net new Rhysida infrastructure and so, so much more!

Huge shoutout to the entire Insikt Group team on this effort — especially <a href="/JulianVoeg/">Julian-Ferdinand</a>, <a href="/calwarez/">Calwarez</a>, <a href="/theidr0p/">TJ Nel</a>, and <a href="/jgrosfelt/">Justin Grosfelt</a>. Amazing work.

PDF: go.recordedfuture.com/hubfs/reports/…
Justin Grosfelt (@jgrosfelt) 's Twitter Profile Photo

Insikt Group identified two new malware families — TerraStealerV2 and TerraLogger — linked to the financially motivated threat actor Golden Chickens (also known as Venom Spider). recordedfuture.com/research/terra…

Greg Lesnewich (@greglesnewich) 's Twitter Profile Photo

Big take aways from PIVOTcon : - we disrupt to make the actor pivot 😤🔨 - [redacted] - [redacted] - [TLP-RED] - [redacted] - volleyball is much fun - fresh fish is uniquely delicious - [redacted] - [TLP-RED] - ideas shared were so good I was working on the plane ride home