Malware

Pierluigi Paganini November 25, 2023
Hamas-linked APT uses Rust-based SysJoker backdoor against Israel

Researchers reported that a Hamas-linked APT group is using a Rust-based SysJoker backdoor against Israeli entities. Check Point researchers observed a Hamas-linked APT group is using the SysJoker backdoor against Israeli entities. In December 2021, security experts from Intezer first discovered the SysJoker backdoor, which is able to infect Windows, macOS, and Linux systems. The version […]

Pierluigi Paganini November 24, 2023
North Korea-linked Konni APT uses Russian-language weaponized documents

North Korea-linked Konni APT group used Russian-language Microsoft Word documents to deliver malware. FortiGuard Labs researchers observed the North Korea-linked Konni APT group using a weaponized Russian-language Word document in an ongoing phishing campaign. The KONNI RAT was first spotted by Cisco Talos researchers in 2017, it has been undetected since 2014 and was employed in highly […]

Pierluigi Paganini November 23, 2023
ClearFake campaign spreads macOS AMOS information stealer

Threat actors spread Atomic Stealer (AMOS) macOS information stealer via a bogus web browser update as part of the ClearFake campaign. Atomic Stealer (AMOS) macOS information stealer is now being delivered via a fake browser update chain tracked as ClearFake, Malwarebytes researchers warn. The malware focuses on macOS, designed to pilfer sensitive information from the […]

Pierluigi Paganini November 23, 2023
North Korea-linked APT Diamond Sleet supply chain attack relies on CyberLink software

North Korea-linked APT group Diamond Sleet is distributing a trojanized version of the CyberLink software in a supply chain attack. Microsoft Threat Intelligence researchers uncovered a supply chain attack carried out by North Korea-linked APT Diamond Sleet (ZINC) involving a trojanized variant of a CyberLink software. The attackers used a malware-laced version of a legitimate […]

Pierluigi Paganini November 22, 2023
New InfectedSlurs Mirai-based botnet exploits two zero-days

Mirai-based botnet InfectedSlurs has been spotted exploiting two zero-day RCE flaws to compromise routers and video recorder (NVR) devices. Akamai warned of a new Mirai-based DDoS botnet, named InfectedSlurs, actively exploiting two zero-day vulnerabilities to infect routers and video recorder (NVR) devices. The researchers discovered the botnet in October 2023, but they believe it has […]

Pierluigi Paganini November 21, 2023
Experts warn of a surge in NetSupport RAT attacks against education and government sectors

Experts warn of a surge in NetSupport RAT attacks against education, government, and business services sectors. The Carbon Black Managed Detection & Response team is warning of a surge in the number of new infections related to NetSupport RAT in the last few weeks. The most impacted sectors are education, government, and business services. NetSupport […]

Pierluigi Paganini November 20, 2023
Rhysida ransomware gang is auctioning data stolen from the British Library

The Rhysida ransomware group claimed responsibility for the recent cyberattack on the British Library that has caused a major IT outage. The Rhysida ransomware gang added the British Library to the list of victims on its Tor leak site. The British Library is a research library in London that is the national library of the […]

Pierluigi Paganini November 20, 2023
DarkCasino joins the list of APT groups exploiting WinRAR zero-day

The DarkCasino APT group leveraged a recently disclosed WinRAR zero-day vulnerability tracked as CVE-2023-38831. Researchers at cybersecurity firm NSFOCUS analyzed DarkCasino attack pattern exploiting the WinRAR zero-day vulnerability tracked as CVE-2023-38831. The economically motivated APT group used specially crafted archives in phishing attacks against forum users through online trading forum posts. “DarkCasino is an APT […]

Pierluigi Paganini November 19, 2023
8Base ransomware operators use a new variant of the Phobos ransomware

8Base ransomware operators were observed using a variant of the Phobos ransomware in a recent wave of attacks. Cisco Talos researchers observed 8Base ransomware operators using a variant of the Phobos ransomware in recent attacks. Phobos variants are usually distributed by the SmokeLoader, but in 8Base campaigns, it has the ransomware component embedded in its encrypted payloads. The […]

Pierluigi Paganini November 18, 2023
Russian APT Gamaredon uses USB worm LitterDrifter against Ukraine

Russia-linked cyberespionage group Gamaredon has been spotted propagating a worm called LitterDrifter via USB. Check Point researchers observed Russia-linked Gamaredon spreading the worm called LitterDrifter via USB in attacks against Ukraine. Gamaredon (aka Shuckworm, Actinium, Armageddon, Primitive Bear, UAC-0010, and Trident Ursa) has been active since 2014 and its activity focuses on Ukraine, the group was observed using the multistage backdoor Pteranodon/Pterodo. The Gamaredon APT group continues to carry out […]