Mar 10, 2023Ravie LakshmananEndpoint Security / Hacking An updated version of a botnet malware called Prometei has infected more than 10,000 systems worldwide since November 2022. The infections are both geographically indiscriminate and opportunistic, with a majority of the victims reported in Brazil, Indonesia, and Turkey. Prometei, first observed in 2016, is a modular … [Read more...] about New Version of Prometei Botnet Infects Over 10,000 Systems Worldwide
botnet
New Mirai Botnet Variant ‘V3G4’ Exploiting 13 Flaws to Target Linux and IoT Devices
Feb 17, 2023Ravie LakshmananIoT Security / Cyber Attack A new variant of the notorious Mirai botnet has been found leveraging several security vulnerabilities to propagate itself to Linux and IoT devices. Observed during the second half of 2022, the new version has been dubbed V3G4 by Palo Alto Networks Unit 42, which identified three different campaigns likely conducted by … [Read more...] about New Mirai Botnet Variant ‘V3G4’ Exploiting 13 Flaws to Target Linux and IoT Devices
New Go-based Zerobot Botnet Exploiting Dozen of IoT Vulnerabilities to Expand its Network
Dec 07, 2022Ravie LakshmananInternet of Things / Botnet A novel Go-based botnet called Zerobot has been observed in the wild proliferating by taking advantage of nearly two dozen security vulnerabilities in the internet of things (IoT) devices and other software. The botnet "contains several modules, including self-replication, attacks for different protocols, and … [Read more...] about New Go-based Zerobot Botnet Exploiting Dozen of IoT Vulnerabilities to Expand its Network
Fodcha DDoS Botnet Resurfaces with New Capabilities
The threat actor behind the Fodcha distributed denial-of-service (DDoS) botnet has resurfaced with new capabilities, researchers reveal. This includes changes to its communication protocol and the ability to extort cryptocurrency payments in exchange for stopping the DDoS attack against a target, Qihoo 360's Network Security Research Lab said in a report published last … [Read more...] about Fodcha DDoS Botnet Resurfaces with New Capabilities
Emotet Botnet Distributing Self-Unlocking Password-Protected RAR Files to Drop Malware
The notorious Emotet botnet has been linked to a new wave of malspam campaigns that take advantage of password-protected archive files to drop CoinMiner and Quasar RAT on compromised systems. In an attack chain detected by Trustwave SpiderLabs researchers, an invoice-themed ZIP file lure was found to contain a nested self-extracting (SFX) archive, the first archive acting as a … [Read more...] about Emotet Botnet Distributing Self-Unlocking Password-Protected RAR Files to Drop Malware
New Orchard Botnet Uses Bitcoin Founder’s Account Info to Generate Malicious Domains
A new botnet named Orchard has been observed using Bitcoin creator Satoshi Nakamoto's account transaction information to generate domain names to conceal its command-and-control (C2) infrastructure. "Because of the uncertainty of Bitcoin transactions, this technique is more unpredictable than using the common time-generated [domain generation algorithms], and thus more … [Read more...] about New Orchard Botnet Uses Bitcoin Founder’s Account Info to Generate Malicious Domains
A New Golang-based Peer-To-Peer Botnet Targeting Linux Servers
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 … [Read more...] about A New Golang-based Peer-To-Peer Botnet Targeting Linux Servers
Hackers Exploiting Spring4Shell Vulnerability to Deploy Mirai Botnet Malware
The recently disclosed critical Spring4Shell vulnerability is being actively exploited by threat actors to execute the Mirai botnet malware, particularly in the Singapore region since the start of April 2022. "The exploitation allows threat actors to download the Mirai sample to the '/tmp' folder and execute them after permission change using 'chmod,'" Trend Micro researchers … [Read more...] about Hackers Exploiting Spring4Shell Vulnerability to Deploy Mirai Botnet Malware
New Variant of Russian Cyclops Blink Botnet Targeting ASUS Routers
ASUS routers have emerged as the target of a nascent botnet called Cyclops Blink, almost a month after it was revealed the malware abused WatchGuard firewall appliances as a stepping stone to gain remote access to breached networks. According to a new report published by Trend Micro, the botnet's "main purpose is to build an infrastructure for further attacks on high-value … [Read more...] about New Variant of Russian Cyclops Blink Botnet Targeting ASUS Routers
New “B1txor20” Linux Botnet Uses DNS Tunnel and Exploits Log4J Flaw
A previously undocumented backdoor has been observed targeting Linux systems with the goal of corralling the machines into a botnet and acting as a conduit for downloading and installing rootkits. Qihoo 360's Netlab security team called it B1txor20 "based on its propagation using the file name 'b1t,' the XOR encryption algorithm, and the RC4 algorithm key length of 20 … [Read more...] about New “B1txor20” Linux Botnet Uses DNS Tunnel and Exploits Log4J Flaw