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.
Discover our TDR team's revelations about Predator spyware: its C2 infrastructure and list of countries still using its cyber espionage tool.
Learn how the threat actor Savvy Seahorse Facebook ads to lure users to fake investment platforms and leverages DNS to allow their attacks to persist for years.
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.
In a memo to employees sent Tuesday evening, Sundar Pichai vowed to make structural changes to address the issues found in Gemini’s racially inaccurate images.
