A Ransomware Negotiator Was Working for a Ransomware Gang
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Someone pleaded guilty to secretly working for a ransomware gang as he
negotiated ransomware payments for clients.
1 day ago
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Disclaimer: The views and opinions expressed on this blog are my personal views and are not intended to reflect the views of my employer or any other entity.
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Where facts are few, experts are many.
About Me
- Thierry Zoller
- Welcome to my blog covering Information Security and Privacy.
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Disclaimer: The views and opinions expressed on this blog are my personal views and are not intended to reflect the views of my employer or any other entity.
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Blog Archive
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2009
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April
(16)
- Off to holidays - small gimmick
- Advisory(ies) - Nod32, Trendmicro
- Advisory : Firefox Denial of Service (KEYGEN)
- Advisories - Aladdin eSafe, Avira Antivir, Comodo
- Advisory - Firefox DoS condition (unclamped loop)
- My approach to vulnerability coordination and disc...
- Advisory : Panda generic evasion (TAR)
- Advisory: Panda generic evasion (CAB)
- Advisory : SUN / ORACLE JVM Remote Code execution
- Advisory : Bitdefender generic evasion (PDF)
- Advisory : Avira Antivir generic evasion (PDF)
- Advisories - Fortinet, NOD32, Bitdefender, Avast
- Anti-Virus archive bypasses explained
- Advisory : F-Prot (Frisk) - CAB bypass / evasions
- Advisory: AVG Zip evasion / bypass
- Advisories - F-PROT, IBM Proventia, ClamAV
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April
(16)
Featured Post
The importance of Psychological Safety in Cybersecurity
I recently completed my studies at the Luxembourg School of Business and began exploring how to incorporate my newfound knowledge into my fi...
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Comment: I have received interesting and mixed feedback from posting the above "bug". First I'd like to clarify that a vulner... -
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I recently completed my studies at the Luxembourg School of Business and began exploring how to incorporate my newfound knowledge into my fi... -
Generic ClamAV archive evasion Release mode: Coordinated but limited disclosure . Ref : TZO-05-2009-ClamAV Evasion Vendor ...
Blogs I read
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Overview of Content Published in April - Here is an overview of content I published in April: Blog posts: Update: cut-bytes.py Version 0.0.18 SANS ISC Diary entries: A .WAV With A Payload1 day ago
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Anti-DDoS Firm Heaped Attacks on Brazilian ISPs - A Brazilian tech firm that specializes in protecting networks from distributed denial-of-service (DDoS) attacks has been enabling a botnet responsible for ...2 days ago
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Weekly Update 501 - This is so "peak 2026" - writing an equality policy to ensure people treat our AI bot with the same respect as they do their human counterparts. It's int...5 days ago
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Anonymous credentials: an illustrated primer (Part 2) - This is the second in a series of posts about anonymous credentials. You can find this first part here. In the previous post, we introduced the notion of a...2 weeks ago
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Locked Shields Partner Run 2026 – kiberbiztonság az egyetemi gyakorlatban - A Locked Shields minden évben a világ legnagyobb és egyik legösszetettebb valós idejű kibervédelmi gyakorlataként teszi próbára a NATO szövetségesek és par...4 weeks ago
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Mandiant Global Median Dwell Time Deteriorates from 11 to 14 Days - Oh snap. My single most important cybersecurity metric deteriorated again. In the M-Trends report for calendar year 2024, Mandiant’s global median dwe...5 weeks ago
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How Security and Privacy Teams Break Barriers Together - While cybersecurity and data privacy leaders have distinct expertise, our fundamental goals are aligned. By understanding each other’s perspectives and pri...10 months ago
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REPRINT of http://contagiodump.blogspot.com/2013/09/sandbox-miming-cve-2012-0158-in-mhtml.html Sandbox MIMIng. CVE-2012-0158 in MHTML samples and analysis Unpublished May 27, 2024 - Wikipedia Update - Sept 4, 2013 I added more descriptions and changed *NjRat / Backdoor.LV *to *Vidgrab* - in the traffic communications are similar to N...10 months ago
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What a lovely sunset - Oh, hi. Long time no blog, eh? Well, it is time to sunset this blog, I will be deleting it in the next few weeks. So long, and thanks for all the fis...2 years ago
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The THIRTEENTH Annual Disaster Recovery Breakfast: Changing of the Guard - Posted under: What a long, strange trip it’s been over the last 3 years. In fact, the last time I saw many of you was at the last Disaster Recovery Breakf...3 years ago
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Attackers use domain fronting technique to target Myanmar with Cobalt Strike - By Chetan Raghuprasad, Vanja Svajcer and Asheer Malhotra. News Summary Cisco Talos discovered a new malicious campaign using a leaked version of Cobalt Str...4 years ago
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The Future of the FTC: Part II - A previous blog post discussed FTC Chairwoman Slaughter’s first priority as the newly designated chairwoman – the COVID-19 pandemic. The FTC’s second prior...5 years ago
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Minecraft Mod, Follow up, and Java Reflection - After yesterday's post, I received a ton of interesting and creative responses regarding how to get around the mod's restrictions which is what I love abou...6 years ago
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Youtube channel - I've continued to make updates to the python version of satori and have put a lot of time in the past few weeks to updating fingerprints and fixing some mi...7 years ago
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Exploiting STOPzilla AntiMalware Arbitrary Write Vulnerability using SeCreateTokenPrivilege - A couple of months ago I discovered 9 kernel vulnerabilities a security product called STOPzilla AntiMalware. It’s been over a month with no response from ...7 years ago
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In Which You Get a Chance to Save Democracy - Let’s start with the end: you can do something to change the broken political landscape in the United States, but you have to act quickly. Here’s a link to...8 years ago
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Ma contribution au mois de la cybersécurité - Dans le cadre du mois de la sécurité, l'ANSSI met en avant son MOOC : la SecNumAcadémie. Il m'a semblé opportun de vous résumer les 2h48 que j'ai passées ...8 years ago
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Authentication bypass on Airbnb via OAuth tokens theft - TL;DR: Login CSRF in combination with an HTTP Referer header-based open redirect in Airbnb’s OAuth login flow, could be abused to steal OAuth access tokens...8 years ago
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Introducing Qualys Project Zero? - Google's Project Zero team was announced in July 2014. Since then, it has become very well known for publishing offensive security research of exceptional ...8 years ago
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No Hate Speech Movement – “Mit Energie und Konsequenz gegen Bullshit” - So mancher schiebt die Schuld für Hassnachrichten, die tagtäglich in Kommentarspalten und sozialen Netzwerken auftauchen, auf die neuen Medien: ohne Facebo...9 years ago
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VulnHub Stapler 1 Solution - Well, after long time, I'm back to blogging ..!! This post is about the solution for the Stapler VM from VulnHub. The VM gets the following IP: Stapler VM...9 years ago
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McAfee SiteList.xml password decryption - Recently, a very good friend of mine (@Sn0rkY) pointed me out the story of a pentester who recovered the encrypted passwords from a McAfee SiteList.xml fil...10 years ago
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La géolocalisation du salarié par l’employeur - Avec l’avènement des nouvelles technologies et leur perfectionnement, de plus en plus d’employeurs décident de recourir à la géolocalisation de leurs véh...10 years ago
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A WinDbg extension to print the kernel memory layout - WinDbg is an awesome debugger, but I always missed the nice, compact and tidy view of the process memory layout that you have in OllyDbg (in *View->Memory*...11 years ago
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Learning SDR - I recently launched Software Defined Radio with HackRF, an instructional video series that I hope will make it easier than ever for people to learn the bas...11 years ago
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USENIX Security Symposium Slides - We're very happy to present the paper Revisiting SSL/TLS Implementations - New Bleichenbacher Side Channels and Attacks by Christopher Meyer, Juraj Somo...11 years ago
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Binwalk v2.0 Released! – /dev/ttyS0 - Binwalk v2.0.0 has (finally) been released. Grab it from the github page!11 years ago
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New Insights into Email Spam Operations - Our group has been studying spamming botnets for a while, and our efforts in developing mitigation techniques and taking down botnets have contributed in d...11 years ago
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RSA Announces End of RSA Security Conference - Aims to bring clarity to cloudy marketing messages through exhibit hall chotskies Bedford, MA., – April 1, 2014 – RSA, the security division of EMC, today ...12 years ago
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Samsung Galaxy S5 could be cheaper than Galaxy S4 - Good news for would-be Samsung Galaxy S5 customers - the main smartphone may end up being more economical as opposed to Galaxy S4 was when it established. ...12 years ago
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Why I _am_ Speaking At RSA 2014 - There’s been quite a bit of drama with regards to whether or not to boycott the RSA conference over a deal that the RSA security vendor had made with the N...12 years ago
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Router backdoor reloaded... - S i vous avez aimé l'histoire de la backdoor D-Link, vous allez A-DO-RER celle-ci. C'est encore sur /dev/ttyS0 que ça se passe, où on apprend que les route...12 years ago
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One year after, end of Magnificent 7 project ! - It has been a year already since the start of the Magnificient 7 program ! So what happened during this year ? We added some features to enhance your analy...12 years ago
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Mobile Device Forensics - Course Update - It's been a few weeks since the last update, but things have been busy. The Fall 2012 term is now in Week 5 (wow, the semester is flying by). We've covered...13 years ago
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NWScript JIT engine: Wrap-up (for now) - Yesterday, I provided a brief performance overview of the MSIL JIT backend versus my implementation of an interpretive VM for various workloads. Today, I’l...15 years ago
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