541 matches found
Chinese UNC4841 Group Exploits Zero-Day Flaw in Barracuda Email Security Gateway
A suspected China-nexus threat actor dubbed UNC4841 has been linked to the exploitation of a recently patched zero-day flaw in Barracuda Email Security Gateway ESG appliances since October 2022. "UNC4841 is an espionage actor behind this wide-ranging campaign in support of the People's Republic o...
Microsoft gives Apple a migraine
On May 18, 2023, Apple published security content for macOS Ventura 13.4, macOS Monterey 12.6.6, and macOS Big Sur 11.7.7 that addressed a logic issue in libxpc. The Common Vulnerabilities and Exposures CVE database lists publicly disclosed computer security flaws. The CVE we are going to discuss...
Nidhogg - All-In-One Simple To Use Rootkit For Red Teams
Nidhogg is a multi-functional rootkit for red teams. The goal of Nidhogg is to provide an all-in-one and easy-to-use rootkit with multiple helpful functionalities for red team engagements that can be integrated with your C2 framework via a single header file with simple usage, you can see an...
Bootlicker - A Generic UEFI Bootkit Used To Achieve Initial Usermode Execution
bootlicker is a legacy, extensible UEFI firmware rootkit targeting vmware hypervisor virtual machines. It is designed to achieve initial code execution within the context of the windows kernel, regardless of security settings configured. Architecture bootlicker takes its design from the legacy...
Water Orthrus Targets Chinese Users with CopperStealth and CopperPhish
Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Water Orthrus has recently launched two new campaigns, CopperStealth and CopperPhish, where CopperStealth employs rootkit techniques, while CopperPhish globally distributes a phishing kit through PPI...
CopperStealer Malware Crew Resurfaces with New Rootkit and Phishing Kit Modules
The threat actors behind the CopperStealer malware resurfaced with two new campaigns in March and April 2023 that are designed to deliver two novel payloads dubbed CopperStealth and CopperPhish. Trend Micro is tracking the financially motivated group under the name Water Orthrus. The adversary is...
CopperStealer Malware Crew Resurfaces with New Rootkit and Phishing Kit Modules
The threat actors behind the CopperStealer malware resurfaced with two new campaigns in March and April 2023 that are designed to deliver two novel payloads dubbed CopperStealth and CopperPhish. Trend Micro is tracking the financially motivated group under the name Water Orthrus. The adversary is...
Lancefly APT Group Deploys Custom Backdoor ‘Merdoor’ in Targeted Attacks
Threat Level Actor Report For a detailed threat advisory, download the pdf file here Summary The Lancefly APT group targets South and Southeast Asia using the Merdoor backdoor and an updated ZXShell rootkit. Their attack chain involves credential theft, lateral movement, file staging, and...
Researchers Uncover Powerful Backdoor and Custom Implant in Year-Long Cyber Campaign
Government, aviation, education, and telecom sectors located in South and Southeast Asia have come under the radar of a new hacking group as part of a highly-targeted campaign that commenced in mid-2022 and continued into the first quarter of 2023. Symantec, by Broadcom Software, is tracking the...
Researchers Uncover Powerful Backdoor and Custom Implant in Year-Long Cyber Campaign
Government, aviation, education, and telecom sectors located in South and Southeast Asia have come under the radar of a new hacking group as part of a highly-targeted campaign that commenced in mid-2022 and continued into the first quarter of 2023. Symantec, by Broadcom Software, is tracking the...
Water Orthrus's New Campaigns Deliver Rootkit and Phishing Modules
Water Orthrus has been active recently with two new campaigns. CopperStealth uses a rootkit to install malware on infected systems, while CopperPhish steals credit card information. This blog will provide the structure of the campaign and how they work...
Threat Roundup for May 5 to May 12
Today, Talos is publishing a glimpse into the most prevalent threats weve observed between May 5 and May 12. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...
Protecting your business with Wazuh: The open source security platform
Today, businesses face a variety of security challenges like cyber attacks, compliance requirements, and endpoint security administration. The threat landscape constantly evolves, and it can be overwhelming for businesses to keep up with the latest security trends. Security teams use processes an...
Mélofée: Researchers Uncover New Linux Malware Linked to Chinese APT Groups
An unknown Chinese state-sponsored hacking group has been linked to a novel piece of malware aimed at Linux servers. French cybersecurity firm ExaTrack, which found three samples of the previously documented malicious software that date back to early 2022, dubbed it Mélofée. The newest of the thr...
Mélofée: Researchers Uncover New Linux Malware Linked to Chinese APT Groups
An unknown Chinese state-sponsored hacking group has been linked to a novel piece of malware aimed at Linux servers. French cybersecurity firm ExaTrack, which found three samples of the previously documented malicious software that date back to early 2022, dubbed it Mélofée. The newest of the thr...
Icarus a Versatile Infostealer with Rootkit and hVNC Capabilities
Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary The Icarus Stealer malware is equipped with a Hidden Virtual network computing hVNC feature, which enables the attacker to generate a concealed desktop and traverse the compromised system without any...
SUSE CVE-2005-1270
The 1 checkupdate.sh and 2 rkhunter script in Rootkit Hunter before 1.2.3-r1 create temporary files with predictable file names, which allows local users to overwrite arbitrary files via a symlink attack...
Kinsing Crypto Malware Hits Kubernetes Clusters via Misconfigured PostgreSQL
The threat actors behind the Kinsing cryptojacking operation have been spotted exploiting misconfigured and exposed PostgreSQL servers to obtain initial access to Kubernetes environments. A second initial access vector technique entails the use of vulnerable images, Sunders Bruskin, security...
Judge Orders U.S. Lawyer in Russian Botnet Case to Pay Google
In December 2021, Google filed a civil lawsuit against two Russian men thought to be responsible for operating Glupteba, one of the Internets largest and oldest botnets. The defendants, who initially pursued a strategy of counter suing Google for interfering in their sprawling cybercrime business...
