If it wasn’t already obvious, the last 72 hours have made it crystal clear that it is urgent to build and mainstream alternative, decentralized social media platforms that are resistant to government censorship and control, are not owned by oligarchs and dominated by their algorithms, and in which users own their follower list and can…
An issue with Cloudflare allows an attacker to find which Cloudflare data center a messaging app used to cache an image, meaning an attacker can obtain the approximate location of Signal, Discord, Twitter/X, and likely other chat app users. In some cases an attacker only needs to send an image across the app, with the…
Shortly after Donald Trump was sworn in as the 47th president of the United States on Monday, many Facebook users started to report that the social network automatically made them follow Trump’s Facebook page. I’ve seen several threads on this issue on Reddit, social media, and people I know personally have also asked me why…
Sophos MDR identifies a new threat cluster riffing on the playbook of Storm-1811, and amped-up activity from the original connected to Black Basta ransomware.
HomuWitch is a ransomware strain that initially emerged in July 2023. Unlike the majority of current ransomware strains, HomuWitch targets end-users – individuals – rather than institutions and companies. Its prevalence isn’t remarkably large, nor is the requested ransom payment amount, which has allowed the strain to stay relatively under the radar thus far. During…
Key Points Avast discovered an in-the-wild admin-to-kernel exploit for a previously unknown zero-day vulnerability in the appid.sys AppLocker driver. Thanks to Avast’s prompt report, Microsoft addressed this vulnerability as CVE-2024-21338 in the February Patch Tuesday update. The exploitation activity was orchestrated by the notorious Lazarus Group, with the end goal of establishing a kernel read/write…
Key Points Avast discovered a new campaign targeting specific individuals through fabricated job offers. Avast uncovered a full attack chain from infection vector to deploying “FudModule 2.0” rootkit with 0-day Admin -> Kernel exploit. Avast found a previously undocumented Kaolin RAT, where it could aside from standard RAT functionality, change the last write timestamp of…
Key Points Avast discovered and analyzed a malware campaign hijacking an eScan antivirus update mechanism to distribute backdoors and coinminers Avast disclosed the vulnerability to both eScan antivirus and India CERT. On 2023-07-31, eScan confirmed that the issue was fixed and successfully resolved The campaign was orchestrated by a threat actor with possible ties to…
Nearly 90% of Threats Blocked are Social Engineering, Revealing a Huge Surge of Scams, and Discovery of the Lazarus APT Campaign Foreword We’re pleased to present the latest edition of our report for the first quarter of 2024, which has been nothing short of eventful. Here are some highlights. Not all heroes wear capes. Just…
Introduction Code reuse is very frequent in malware, especially for those parts of the sample that are complex to develop or hard to write with an essentially different alternative code. By tracking both source code and object code, we efficiently detect new malware and track the evolution of existing malware in-the-wild. Diamorphine is a well-known…