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Paul Rascagneres

@r00tbsd.bsky.social
324 followers 220 following 1 posts

Lord of Loaders at Volexity

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Reposted by Paul Rascagneres
Volexity @volexity.com · 04/12/2025
@volexity.com tracks a variety of threat actors abusing Device Code & OAuth authentication workflows to phish credentials, which continue to see success due to creative social engineering. Our latest blog post details Russian threat actor UTA0355’s campaigns impersonating European security events.
volexity.com
Dangerous Invitations: Russian Threat Actor Spoofs European Security Events in Targeted Phishing Attacks
In early 2025, Volexity published two blog posts detailing a new trend among Russian threat actors targeting organizations through the abuse of Microsoft 365 OAuth and Device Code authentication workf...
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Reposted by Paul Rascagneres
Daniel Lunghi @thehellu.bsky.social · 22/10/2025
We saw Earth Estries, an advanced #APT intrusion set, sharing its access to Earth Naga (Flax Typhoon). We introduce the term "Premier Pass" to describe this behavior, and propose a four-tier classification framework for collaboration types among advanced groups www.trendmicro.com/en_us/resear...
Earth Estries and Earth Naga malware linksList of Earth Estries and Earth Naga targets, classified by targeted industry and locationCollaboration types and the related MITRE tactic stage where such collaboration occursEarth Estries and Earth Naga malware toolkits
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Reposted by Paul Rascagneres
Volexity @volexity.com · 08/10/2025
APT meets GPT: @volexity.com #threatintel is tracking #threatactor UTA0388's spear phishing campaigns against targets in North America, Europe & Asia, appearing to use LLMs to assist their ops. Letting #AI run your espionage operations? What could go wrong?
volexity.com
APT Meets GPT: Targeted Operations with Untamed LLMs
Starting in June 2025, Volexity detected a series of spear phishing campaigns targeting several customers and their users in North America, Asia, and Europe. The initial observed campaigns were tailor...
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Reposted by Paul Rascagneres
Volexity @volexity.com · 22/04/2025
@volexity.com #threatintel: Multiple Russian threat actors are using Signal, WhatsApp & a compromised Ukrainian gov email address to impersonate EU officials. These phishing attacks abuse 1st-party Microsoft Entra apps + OAuth to compromise targets. www.volexity.com/blog/2025/04...

#dfir
volexity.com
Phishing for Codes: Russian Threat Actors Target Microsoft 365 OAuth Workflows
Since early March 2025, Volexity has observed multiple suspected Russian threat actors conducting highly targeted social engineering operations aimed at gaining access to the Microsoft 365 (M365) acco...
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Reposted by Paul Rascagneres
Volexity @volexity.com · 01/04/2025
Today, @volexity.com released GoResolver, open-source tooling to assist reverse engineers with obfuscated Golang samples. @r00tbsd.bsky.social & Killian Raimbaud presented details at INCYBER Forum earlier today. Learn how GoResolver works+where to download it: www.volexity.com/blog/2025/04... #dfir
volexity.com
GoResolver: Using Control-flow Graph Similarity to Deobfuscate Golang Binaries, Automatically
In the course of its investigations, Volexity frequently encounters malware samples written in Golang. Binaries written in Golang are often challenging to analyze because of the embedded libraries and...
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Reposted by Paul Rascagneres
PIVOTcon @pivotcon.bsky.social · 07/03/2025
📣 Oops!... They did it again!!! 61 Talks submitted and so many too good that, once again, we had to increase a bit the number of accepted talks.🔥 #PIVOTcon25 Agenda is finally here, and the caliber is insane!!! Check it out➡️ pivotcon.org/agenda-2025/ #CTI #ThreatIntel Talks and presenters in🧵⬇️ 1/18
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PIVOTcon @pivotcon.bsky.social · 07/03/2025
"Edge Devices Investigation" Paul Rascagneres, Principal Threat Researcher, Volexity (@r00tbsd , @r00tbsd.bsky.social , @r00tbsd@infosec.exchange) 5/18
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Volexity @volexity.com · 13/02/2025
@volexity.com recently identified multiple Russian threat actors targeting users via #socialengineering + #spearphishing campaigns with Microsoft 365 Device Code authentication (a well-known technique) with alarming success: www.volexity.com/blog/2025/02... #dfir #threatintel #m365security
volexity.com
Multiple Russian Threat Actors Targeting Microsoft Device Code Authentication
Starting in mid-January 2025, Volexity identified several social-engineering and spear-phishing campaigns by Russian threat actors aimed at compromising Microsoft 365 (M365) accounts. These attack cam...
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Reposted by Paul Rascagneres
Volexity @volexity.com · 13/12/2024
This talk is a great way to watch/listen to the details behind the work @stevenadair.bsky.social, @5ck.bsky.social, @tlansec.bsky.social + Volexity’s #threatintel & IR teams did to investigate the Nearest Neighbor Attack. The related blog post is here: www.volexity.com/blog/2024/11...
volexity.com
The Nearest Neighbor Attack: How A Russian APT Weaponized Nearby Wi-Fi Networks for Covert Access
In early February 2022, notably just ahead of the Russian invasion of Ukraine, Volexity made a discovery that led to one of the most fascinating and complex incident investigations Volexity had ever w...
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Reposted by Paul Rascagneres
Volatility @volatilityfoundation.org · 13/12/2024
We were happy to have @volexity.com's @stevenadair.bsky.social & @5ck.bsky.social present “The Nearest Neighbor Attack: How A Russian APT Weaponized Nearby Wi-Fi Networks for Covert Access” for the #FTSCon Keynote in October. The video of their talk is available here: youtu.be/qSNlDCg-IOM. #dfir
youtu.be
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Daniel Lunghi @thehellu.bsky.social · 05/12/2024
Our latest report presents Earth Minotaur, a threat actor targeting Tibetans and Uyghurs using Moonshine, an exploitation framework for Android apps described in 2019 by @citizenlab.ca leveraging vulnerabilities in applications embedding old versions of Chromium trendmicro.com/en_us/resear...
Attack chain showing attacker generating link on Moonshine, then sending it through targeted application to the victim, which after clicking the links gets compromised and delivered the DarkNimbus backdoorValidation flow that fingerprints the target by looking at user agent and delivering the proper exploitmultiple Chrome vulnerabilities exploited in the third-party applicationsList of Android applications being targeted
Most are very popular in South East Asia
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Reposted by Paul Rascagneres
PIVOTcon @pivotcon.bsky.social · 27/11/2024
#PIVOTcon25 #CfP is open and you can submit your proposals till 7 FEB 2025 Remember - one track,30m - no recording/streaming/tweeting. U should feel comfy to share more - No TLP:WHITE - Original content only Let us guide u through with a little meme-thread #CTI #ThreatIntel 1/10
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Volexity @volexity.com · 27/11/2024
@Volexity.com has developed a new open-source tool, “HWP Extract”, a lightweight Python library & CLI for interacting with Hangul Word Processor files. It also supports object extraction from password-protected HWP files. Download here: github.com/volexity/hwp...
github.com
GitHub - volexity/hwp-extract: A library and cli tool to extract HWP files.
A library and cli tool to extract HWP files. Contribute to volexity/hwp-extract development by creating an account on GitHub.
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Reposted by Paul Rascagneres
PIVOTcon @pivotcon.bsky.social · 19/11/2024
#PIVOTcon25 registration is now OPEN 🤟📥📥📥 pivotcon.org #CTI #ThreatResearch #ThreatIntel Please read carefully the whole 🧵 for the rules about invite -> registration (1/5)
media.tenor.com
two men are standing next to each other with the words " we open it up " on the screen
ALT: two men are standing next to each other with the words " we open it up " on the screen
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Paul Rascagneres @r00tbsd.bsky.social · 24/11/2024
Let’s try here and see how it goes ;)
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Reposted by Paul Rascagneres
tlansec @tlansec.bsky.social · 22/11/2024
Excited that we @volexity.com are able to share a writeup of one of our most interesting incidents! This case involves: * A 0-day exploit * Physical trips to the customer site to determine root cause * Compromise via Wi-Fi. www.volexity.com/blog/2024/11... #nearestneighbor #threatintel
volexity.com
The Nearest Neighbor Attack: How A Russian APT Weaponized Nearby Wi-Fi Networks for Covert Access
In early February 2022, notably just ahead of the Russian invasion of Ukraine, Volexity made a discovery that led to one of the most fascinating and complex incident investigations Volexity had ever w...
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Reposted by Paul Rascagneres
Volexity @volexity.com · 22/11/2024
@volexity.com’s latest blog post describes in detail how a Russian APT used a new attack technique, the “Nearest Neighbor Attack”, to leverage Wi-Fi networks in close proximity to the intended target while the attacker was halfway around the world.    Read more here: www.volexity.com/blog/2024/11...
volexity.com
The Nearest Neighbor Attack: How A Russian APT Weaponized Nearby Wi-Fi Networks for Covert Access
In early February 2022, notably just ahead of the Russian invasion of Ukraine, Volexity made a discovery that led to one of the most fascinating and complex incident investigations Volexity had ever w...
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