Malware

Pierluigi Paganini April 09, 2022
A Mirai-based botnet is exploiting the Spring4Shell vulnerabilityïżŒ

Experts warn of a Mirai-based botnet exploiting the recently discovered Spring4Shell vulnerability in attacks in the wild. Trend Micro Threat Research reported that the recently discovered Spring4Shell vulnerability (CVE-2022-22965) is actively exploited by a Mirai-based botnet. Researchers from Chinese cybersecurity firm Qihoo 360 first reported the exploitation of the Spring4Shell by a Mirai-based botnet in early April. […]

Pierluigi Paganini April 07, 2022
Colibri Loader employs clever persistence mechanism

Recently discovered malware loader Colibri leverages a trivial and efficient persistence mechanism to deploy Windows Vidar data stealer. Malwarebytes researchers observed a new loader, dubbed Colibri, which has been used to deploy a Windows information stealer tracked as Vidar in a recent campaign. The Colibri Loader first appeared in the threat landscape in August 2021 […]

Pierluigi Paganini April 06, 2022
US dismantled the Russia-linked Cyclops Blink botnet

The U.S. government announced the disruption of the Cyclops Blink botnet operated by the Russia-linked Sandworm APT group. The U.S. government announced that it had dismantled the Cyclops Blink botnet operated by the Russia-linked Sandworm APT group. “The Justice Department today announced a court-authorized operation, conducted in March 2022, to disrupt a two-tiered global botnet […]

Pierluigi Paganini April 04, 2022
Experts spotted a new Android malware while investigating by Russia-linked Turla APT

Researchers spotted a new piece of Android malware while investigating activity associated with Russia-linked APT Turla. Researchers at cybersecurity firm Lab52 discovered a new piece of Android malware while investigating into infrastructure associated with Russia-linked APT Turla. The malicious code was discovered while analyzing the Penquin-related infrastructure, the experts noticed malware was contacting IP addresses […]

Pierluigi Paganini April 04, 2022
Borat RAT, a new RAT that performs ransomware and DDoS attacks

Cyble researchers discovered a new remote access trojan (RAT) named Borat capable of conducting DDoS and ransomware attacks. Researchers from threat intelligence firm Cyble discovered a new RAT, named Borat, that enables operators to gain full access and remote control of an infected system. Unlike other RATs, the Borat RAT provides Ransomware and DDOS services […]

Pierluigi Paganini April 02, 2022
Beastmode Mirai botnet now includes exploits for Totolink routers

Operators behind the Mirai-based distributed denial-of-service (DDoS) botnet Beastmode (aka B3astmode) added exploits for Totolink routers. The Mirai-based distributed denial-of-service (DDoS) botnet Beastmode (aka B3astmode) now includes exploits for Totolink routers. Like most DDOS botnets, Beastmode attempt to infect other devices by launching brute-forcing attacks or exploiting multiple vulnerabilities. Between February and March 2022, researchers from the FortiGuard Labs […]

Pierluigi Paganini April 01, 2022
AcidRain, a wiper that crippled routers and modems in Europe

Researchers spotted a new destructive wiper, tracked as AcidRain, that is likely linked to the recent attack against Viasat. Security researchers at SentinelLabs have spotted a previously undetected destructive wiper, tracked as AcidRain, that hit routers and modems and that was suspected to be linked to the Viasat KA-SAT attack that took place on February […]

Pierluigi Paganini March 31, 2022
Bad OPSEC allowed researchers to uncover Mars stealer operation

The Morphisec Labs researchers analyzed a new malware, tracked as Mars stealer, which is based on the older Oski Stealer.  Morphisec Labs recently discovered the Mars stealer that was spreading masqueraded as malicious software cracks and keygens. The Mars stealer is available for sale on several underground forums, researchers pointed out that it is under constant […]

Pierluigi Paganini March 28, 2022
Hive ransomware ports its encryptor to Rust programming language

The Hive ransomware gang ported its encryptor to the Rust programming language and implemented new features. The Hive ransomware operation has developed a Rust version of their encryptor and added new features to prevent curious from snooping on the victim’s ransom negotiations. According to BleepingComputer, which focused on Linux VMware ESXi encryptor, the Hive ransomware […]

Pierluigi Paganini March 28, 2022
Muhstik Botnet Targeting Redis Servers Using Recently Disclosed Vulnerability

The Muhstik botnet has been observed targeting Redis servers exploiting the recently disclosed CVE-2022-0543 vulnerability. Muhstik is a botnet that is known to use web application exploits to compromise IoT devices, it has been around for at least 2018. Botnet operators monetize their efforts via XMRig combined with DDoS-for-hire services.  The botnet leverages IRC servers for command-and-control (C2) communications, […]