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Hackers Hide Malware in Stunning Images Taken by James Webb Space Telescope

Hackers Hide Malware in Stunning Images Taken by James Webb Space Telescope
Aug 31, 2022
A persistent Golang-based malware campaign dubbed GO#WEBBFUSCATOR has leveraged the deep field image taken from NASA's James Webb Space Telescope (JWST) as a lure to deploy malicious payloads on infected systems. The development, revealed by Securonix , points to the growing adoption of Go among threat actors, given the programming language's cross-platform support, effectively allowing the operators to leverage a common codebase to target different operating systems. Go binaries also have the added benefit of rendering reverse engineering a lot more challenging as opposed to malware written in other languages like C++ or C#, not to mention prolong analysis and detection attempts. Phishing emails containing a Microsoft Office attachment act as the entry point for the attack chain that, when opened, retrieves an obfuscated VBA macro, which, in turn, is auto-executed should the recipient enable macros. The execution of the macro results in the download of an image file &quo

New Golang-based 'Agenda Ransomware' Can Be Customized For Each Victim

New Golang-based 'Agenda Ransomware' Can Be Customized For Each Victim
Aug 29, 2022
A new ransomware strain written in Golang dubbed " Agenda " has been spotted in the wild, targeting healthcare and education entities in Indonesia, Saudi Arabia, South Africa, and Thailand. "Agenda can reboot systems in safe mode, attempts to stop many server-specific processes and services, and has multiple modes to run," Trend Micro researchers  said  in an analysis last week. Qilin, the threat actor advertising the ransomware on the dark web, is said to provide affiliates with options to tailor the binary payloads for each victim, enabling the operators to decide the ransom note, encryption extension, as well as the list of processes and services to terminate before commencing the encryption process. Additionally, the ransomware incorporates techniques for detection evasion by taking advantage of the 'safe mode' feature of a device to proceed with its file encryption routine unnoticed, but not before changing the default user's password and enabl

Panchan: A New Golang-based Peer-To-Peer Botnet Targeting Linux Servers

Panchan: A New Golang-based Peer-To-Peer Botnet Targeting Linux Servers
Jun 15, 2022
A new Golang-based peer-to-peer (P2P) botnet has been spotted actively targeting Linux servers in the education sector since its emergence in March 2022. Dubbed  Panchan  by Akamai Security Research, the malware "utilizes its built-in concurrency features to maximize spreadability and execute malware modules" and "harvests SSH keys to perform lateral movement." The feature-packed botnet, which relies on a basic list of default SSH passwords to carry out a  dictionary attack  and expand its reach, primarily functions as a cryptojacker designed to hijack a computer's resources to mine cryptocurrencies. The cybersecurity and cloud service company noted it first spotted Panchan's activity on March 19, 2022, and attributed the malware to a likely Japanese threat actor based on the language used in the administrative panel baked into the binary to edit the mining configuration. Panchan is known to deploy and execute two miners, XMRig and nbhash, on the host

Researchers Warn of a New Golang-based Botnet Under Continuous Development

Researchers Warn of a New Golang-based Botnet Under Continuous Development
Feb 17, 2022
Cybersecurity researchers have unpacked a nascent Golang-based botnet called  Kraken  that's under active development and features an array of backdoor capabilities to siphon sensitive information from compromised Windows hosts. "Kraken already features the ability to download and execute secondary payloads, run shell commands, and take screenshots of the victim's system," threat intelligence firm ZeroFox  said  in a report published Wednesday. Discovered first in October 2021, early variants of Kraken have been found to be based on source code uploaded to GitHub, although it's unclear if the repository in question belongs to the malware's operators or if they simply chose to start their development using the code as a foundation. The botnet – not to be confused with a  2008 botnet  of the same name – is perpetuated using  SmokeLoader , which chiefly acts as a loader for next-stage malware, allowing it to quickly scale in size and expand its network. Kr

FritzFrog P2P Botnet Attacking Healthcare, Education and Government Sectors

FritzFrog P2P Botnet Attacking Healthcare, Education and Government Sectors
Feb 10, 2022
A peer-to-peer Golang botnet has resurfaced after more than a year to compromise servers belonging to entities in the healthcare, education, and government sectors within a span of a month, infecting a total of 1,500 hosts. Dubbed FritzFrog , "the decentralized botnet targets any device that exposes an SSH server — cloud instances, data center servers, routers, etc. — and is capable of running any malicious payload on infected nodes," Akamai researchers said in a report shared with The Hacker News. The new wave of attacks commenced in early December 2021, only to pick up pace and register a 10x growth in its infection rate in a month's time, while peaking at 500 incidents per day in January 2022. The cybersecurity firm said it detected infected machines in a European television channel network, a Russian manufacturer of healthcare equipment, and multiple universities in East Asia. FritzFrog was  first documented  by Guardicore in August 2020, elaborating the botnet&

New Golang-based Linux Malware Targeting eCommerce Websites

New Golang-based Linux Malware Targeting eCommerce Websites
Nov 22, 2021
Weaknesses in e-commerce portals are being exploited to deploy a Linux backdoor as well as a credit card skimmer that's capable of stealing payment information from compromised websites. "The attacker started with automated e-commerce attack probes, testing for dozens of weaknesses in common online store platforms," researchers from Sansec Threat Research  said  in an analysis. "After a day and a half, the attacker found a file upload vulnerability in one of the store's plugins." The name of the affected vendor was not revealed. The initial foothold was then leveraged to upload a malicious web shell and alter the server code to siphon customer data. Additionally, the attacker delivered a Golang-based malware called " linux_avp " that serves as a backdoor to execute commands remotely sent from a command-and-control server hosted in Beijing. Upon execution, the program is designed to remove itself from the disk and camouflage as a " ps -ef

Researchers Warn of Linux Cryptojacking Attackers Operating from Romania

Researchers Warn of Linux Cryptojacking Attackers Operating from Romania
Jul 19, 2021
A threat group likely based in Romania and active since at least 2020 has been behind an active cryptojacking campaign targeting Linux-based machines with a previously undocumented SSH brute-forcer written in Golang. Dubbed " Diicot brute ," the password cracking tool is alleged to be distributed via a software-as-a-service model, with each threat actor furnishing their own unique API keys to facilitate the intrusions, Bitdefender researchers said in a report published last week. While the goal of the campaign is to deploy Monero mining malware by remotely compromising the devices via brute-force attacks, the researchers connected the gang to at least two  DDoS  botnets, including a  Demonbot  variant called chernobyl and a Perl  IRC bot , with the XMRig mining payload hosted on a domain named mexalz[.]us since February 2021. The Romanian cybersecurity technology company said it began its investigation into the group's hostile online activities in May 2021, leading
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