GTPDOOR Linux Malware Targets Telecoms, Exploiting GPRS Roaming Networks

Threat hunters have discovered a new Linux malware called GTPDOOR that's designed to be deployed in telecom networks that are adjacent to GPRS roaming exchanges GRX The malware is novel in the fact that it leverages the GPRS Tunnelling Protocol GTP for command-and-control C2 communications. GPRS...

Free Download Manager Site Compromised to Distribute Linux Malware to Users for 3+ Years

A download manager site served Linux users malware that stealthily stole passwords and other sensitive information for more than three years as part of a supply chain attack. The modus operandi entailed establishing a reverse shell to an actor-controlled server and installing a Bash stealer on th...

New SkidMap Linux Malware Variant Targeting Vulnerable Redis Servers

Vulnerable Redis services have been targeted by a "new, improved, dangerous" variant of a malware called SkidMap that's engineered to target a wide range of Linux distributions. "The malicious nature of this malware is to adapt to the system on which it is executed," Trustwave security researcher...

Reptile Rootkit: Advanced Linux Malware Targeting South Korean Systems

Threat actors are using an open-source rootkit called Reptile to target Linux systems in South Korea. "Unlike other rootkit malware that typically only provide concealment capabilities, Reptile goes a step further by offering a reverse shell, allowing threat actors to easily take control of...

ChamelGang Strikes Again With ChamelDoH Malware XDNS-over-HTTPS

Threat Level Actor Report For a detailed threat advisory, download the pdf file here Summary The Chinese threat group ChamelGang has developed the Linux malware ChamelDoH, which uses DNS-over-HTTPS for encrypted communication with attackers. To receive real-time threat advisories, please follow...

New Variant of BPFDoor Linux Malware Features Enhanced Encryption and Stealthy Communication

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary A new variant of the Linux malware BPFDoor has been discovered, featuring more robust encryption and reverse shell communication. It uses the BPF to bypass firewall restrictions, allowing threat actors t...

Actors, Threats and Vulnerabilities 24 to 30 April 2023

For a detailed threat digest, download the pdf file here Summary HiveForce Labs recently made several significant discoveries related to cybersecurity threats. Over the past week, they identified a total of eight attacks that were executed. These attacks were taking advantage of three different...

Chinese Hackers Spotted Using Linux Variant of PingPull in Targeted Cyberattacks

The Chinese nation-state group dubbed Alloy Taurus is using a Linux variant of a backdoor called PingPull as well as a new undocumented tool codenamed Sword2033. That's according to findings from Palo Alto Networks Unit 42, which discovered recent malicious cyber activity carried out by the group...

Lazarus Group Adds Linux Malware to Arsenal in Operation Dream Job

The notorious North Korea-aligned state-sponsored actor known as the Lazarus Group has been attributed to a new campaign aimed at Linux users. The attacks are part of a persistent and long-running activity tracked under the name Operation Dream Job , ESET said in a new report published today. The...

Lazarus Group Adds Linux Malware to Arsenal in Operation Dream Job

The notorious North Korea-aligned state-sponsored actor known as the Lazarus Group has been attributed to a new campaign aimed at Linux users. The attacks are part of a persistent and long-running activity tracked under the name Operation Dream Job, ESET said in a new report published today. The...

Pakistani Hackers Use Linux Malware Poseidon to Target Indian Government Agencies

The Pakistan-based advanced persistent threat APT actor known as Transparent Tribe used a two-factor authentication 2FA tool used by Indian government agencies as a ruse to deliver a new Linux backdoor called Poseidon. "Poseidon is a second-stage payload malware associated with Transparent Tribe,...

Pakistani Hackers Use Linux Malware Poseidon to Target Indian Government Agencies

The Pakistan-based advanced persistent threat APT actor known as Transparent Tribe used a two-factor authentication 2FA tool used by Indian government agencies as a ruse to deliver a new Linux backdoor called Poseidon. "Poseidon is a second-stage payload malware associated with Transparent Tribe,...

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...

SA44574 - 2020-08: Out-of-Cycle Advisory: FBI and NSA Expose New Linux Malware Drovorub

Last Modified Date Mar 4, 2024 6:00:01 PM...

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...

New Linux Cryptomining Malware

Its pretty nasty: The malware was dubbed "Shikitega" for its extensive use of the popular Shikata Ga Nai polymorphic encoder, which allows the malware to "mutate" its code to avoid detection. Shikitega alters its code each time it runs through one of several decoding loops that AT&T said each...

Stealthy Linux Malware Shikitega Deploying Monero Cryptominer

By Deeba Ahmed The stealthy malware leverages security flaws to gain privilege escalation and establish persistence. This is a post from HackRead.com Read the original post: Stealthy Linux Malware Shikitega Deploying Monero Cryptominer...

Evasive Shikitega Linux malware drops Monero cryptominer

Researchers from the AT&T Alien Labs Resarch have discovered a new and stealthy Linux malware it's dubbed Shikitega. Once it's on a machine or device, Shitega executes a "multistage infection chain" involving small files, a couple of vulnerabilities, and the use of Mettle, a portable Metasploit...

A week in security (July 25 – July 31)

Last week on Malwarebytes Labs: Update Google Chrome now! New version includes 11 important security patches Lightning Framework, modular Linux malware Malware spent months hoovering up credit card details from 300 US restaurants Lock down your Neopets account: Data breach being investigated Demo...

A week in security (July 25 - July 31)

Last week on Malwarebytes Labs: Update Google Chrome now! New version includes 11 important security patches Lightning Framework, modular Linux malware Malware spent months hoovering up credit card details from 300 US restaurants Lock down your Neopets account: Data breach being investigated Demo...