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Quarterly Report: Incident Response Trends in Q3 2022

Ransomware and pre-ransomware engagements make up 40 percent of threats seen this quarter By Caitlin Huey. For the first time since compiling these reports, Cisco Talos Incident Response saw an equal number of ransomware and pre-ransomware engagements, making up nearly 40 percent of threats this quarter.   It can be difficult to determine what constitutes a pre-ransomware attack if ransomware never executes and encryption does not take place. However, Talos IR assesses that the combination of Cobalt Strike and credential-harvesting tools like Mimikatz, paired with enumeration and discovery techniques, indicates a high likelihood that ransomware is the final objective. This quarter featured a variety of publicly available tools and scripts hosted on GitHub repositories or other third-party websites to support operations across multiple stages of the attack lifecycle. This activity coincides with a general increase in the use of other dual-use tools, such as the legitimate red-teaming ...

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OldGremlin Ransomware Gang Known for Targeting Russia Launches Linux Malware

By Deeba Ahmed According to Group-IB's report, OldGremlin Ransomware Gang poses as reputed firms to infiltrate networks via phishing emails. This is a post from HackRead.com Read the original post: OldGremlin Ransomware Gang Known for Targeting Russia Launches Linux Malware

The Risk of Stateful Anti-Patterns in Enterprise Internet Architecture

Excessive statefulness hurts the ability to scale networks, applications, and ancillary supporting infrastructure, thus affecting an entire service delivery chain's ability to withstand a DDoS attack.

CVE-2022-3283: DOS via issue preview and markdown preview (#361982) · Issues · GitLab.org / GitLab · GitLab

A potential DOS vulnerability was discovered in GitLab CE/EE affecting all versions before before 15.2.5, all versions starting from 15.3 before 15.3.4, all versions starting from 15.4 before 15.4.1 While cloning an issue with special crafted content added to the description could have been used to trigger high CPU usage.

Dutch Police Tricked Deadbolt Ransomware Gang Into Sharing Decryption Keys

By Deeba Ahmed According to Dutch Police, Deadbolt ransomware attacks mainly focused on NAS (network-attached storage). This is a post from HackRead.com Read the original post: Dutch Police Tricked Deadbolt Ransomware Gang Into Sharing Decryption Keys

Rising Bot Attacks – Why is Your Organization Struggling to Deal with Them?

By Waqas Bot attacks rose by 41% in H1 2021, with the financial services and media industries facing the highest proportion… This is a post from HackRead.com Read the original post: Rising Bot Attacks – Why is Your Organization Struggling to Deal with Them?

Linux, Windows and macOS Hit By New “Alchimist” Attack Framework

By Deeba Ahmed Alchimist is a single-file C2 framework discovered on a server hosting an active file listing on the root directory and a set of post-exploitation tools. This is a post from HackRead.com Read the original post: Linux, Windows and macOS Hit By New “Alchimist” Attack Framework

Threat Roundup for October 7 to October 14

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Oct. 7 and Oct. 14. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics, indicators of compromise, and discussing how our customers are automatically protected from these threats. As a reminder, the information provided for the following threats in this post is non-exhaustive and current as of the date of publication. Additionally, please keep in mind that IOC searching is only one part of threat hunting. Spotting a single IOC does not necessarily indicate maliciousness. Detection and coverage for the following threats is subject to updates, pending additional threat or vulnerability analysis. For the most current information, please refer to your Firepower Management Center, Snort.org, or ClamAV.net. For each threat described below, this blog post only lists 25...

Mirai Botnet Hits Wynncraft Minecraft Server with 2.5 Tbps DDoS Attack

Web infrastructure and security company Cloudflare disclosed this week that it halted a 2.5 Tbps distributed denial-of-service (DDoS) attack launched by a Mirai botnet. Characterizing it as a "multi-vector attack consisting of UDP and TCP floods," researcher Omer Yoachimik said the DDoS attack targeted the Minecraft server Wynncraft in Q3 2022. "The entire 2.5 Tbps attack lasted about 2 minutes,