Based upon the authoring organizations’ observations during incident response activities and available industry reporting, as supplemented by CISA’s research findings, the authoring organizations recommend that the safest course of action for network defenders is to assume a sophisticated threat actor may deploy rootkit level persistence on a device that has been reset and lay dormant for an arbitrary amount of time. For example, as outlined in PRC State-Sponsored Actors Compromise and Maintain Persistent Access to U.S. Critical Infrastructure), sophisticated actors may remain silent on compromised networks for long periods. The authoring organizations strongly urge all organizations to consider the significant risk of adversary access to, and persistence on, Ivanti Connect Secure and Ivanti Policy Secure gateways when determining whether to continue operating these devices in an enterprise environment.
This blog post provides a detailed look at the TTPs of a ransomware affiliate operator. In this case, the endpoint had been moved to another infrastructure (as illustrated by various command lines, and confirmed by the partner), so while Huntress SOC analysts reported the activity to the partner, no Huntress customer was impacted by the ransomware deployment.
En décembre 2023, leteam sa a été victime d'une cyber-attaque. Un groupe de ransomware connu a pu accéder au réseau et crypter plusieurs disques. Grâce à une réaction rapide de l'équipe informatique et d'experts en sécurité externes, l'attaque a pu être rapidement contrée et les systèmes restaurés. L'analyse de l'incident a révélé une fuite de certaines données, mais celle-ci a été jugée à l'époque comme étant partiellement critique. Un monitoring a été mis en place pour surveiller une éventuelle publication de données.
The Lazarus Group is back with an upgraded variant of their FudModule rootkit, this time enabled by a zero-day admin-to-kernel vulnerability for CVE-2024-21338. Read this blog for a detailed analysis of this rootkit variant and learn more about several new techniques, including a handle table entry manipulation technique that directly targets Microsoft Defender, CrowdStrike Falcon, and HitmanPro.
Meet the guy who taught US intelligence agencies how to make the most of the ad tech ecosystem, "the largest information-gathering enterprise ever conceived by man."
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Warning of North Korean cyber threats targeting the Defense Sector
On 26 February, EDRi and its partners Global Witness, Gesellschaft für Freiheitsrechte and Bits of Freedom have submitted a complaint to the European Commission regarding a potential infringement of the Digital Services Act (DSA).
Specifically, we have raised concerns that LinkedIn, a designated Very Large Online Platform (VLOP) under the DSA, infringes the DSA’s new prohibition of targeting online adverts based on profiling using sensitive categories of personal data such as sexuality, political opinions, or race.
Guardio Labs uncovers a sprawling campaign of subdomain hijacking, compromising already over 8,000 domains from esteemed brands and institutions, including MSN, VMware, McAfee, The Economist, Cornell University, CBS, Marvel, eBay and others. This malicious activity, dubbed “SubdoMailing”, leverages the trust associated with these domains to circulate spam and malicious phishing emails by the Millions each day, cunningly using their credibility and stolen resources to slip past security measures.
In our detailed analysis, we disclose how we detected this extensive subdomain hijacking effort, its mechanisms, its unprecedented scale and the main threat actor behind it. Furthermore, we developedthe “SubdoMailing” checker — a website designed to empower domain owners to reclaim control over their compromised assets and shield themselves against such pervasive threats. This report not only sheds light on the magnitude of the issue but also serves as a call to action for enhancing domain security against future exploits.