Malware

Pierluigi Paganini August 02, 2023
Hackers already installed web shells on 581 Citrix servers in CVE-2023-3519 attacks

Researchers warn that hundreds of Citrix servers have been hacked in an ongoing campaign exploiting the RCE CVE-2023-3519. Security researchers from the non-profit organization Shadowserver Foundation reported that hundreds of Citrix Netscaler ADC and Gateway servers have already been compromised as part of an ongoing campaign exploiting the critical remote code execution (RCE) vulnerability CVE-2023-3519. […]

Pierluigi Paganini August 01, 2023
NodeStealer 2.0 takes over Facebook Business accounts and targets crypto wallets

Researchers spotted a Python variant of the NodeStealer that was designed to take over Facebook business accounts and cryptocurrency wallets. Palo Alto Network Unit 42 discovered a previously unreported phishing campaign that distributed a Python variant of the NodeStealer. The malicious code was designed to take over Facebook business accounts and steal funds from cryptocurrency wallets. Since December […]

Pierluigi Paganini August 01, 2023
US govt is hunting a Chinese malware that can interfere with its military operations

The US government believes that China has deployed malware in key US power and communications networks that can be activated in case of a conflict. American intelligence officials believe China has implanted malware in key US power and communications networks that can be used in case of conflict, reported The New York Times. The US […]

Pierluigi Paganini August 01, 2023
WikiLoader malware-as-a-service targets Italian organizations

Threat actors are targeting Italian organizations with a phishing campaign aimed at delivering a new malware called WikiLoader. WikiLoader is a new piece of malware that is employed in a phishing campaign that is targeting Italian organizations. Threat actors behind the campaign are using WikiLoader to deliver a banking trojan, stealer, and malware such as Ursnif to the […]

Pierluigi Paganini July 31, 2023
Experts discovered a previously undocumented initial access vector used by P2PInfect worm

Cado Security observed a new variant of the P2PInfect worm targets Redis servers with a previously undocumented initial access vector. In July, Palo Alto Networks Unit 42 researchers discovered a new peer-to-peer (P2P) worm called P2PInfect that targets Redis servers running on both Linux and Windows systems. The capability to target Redis servers running on both Linux […]

Pierluigi Paganini July 31, 2023
Experts link AVRecon bot to the malware proxy service SocksEscort

The AVRecon botnet relies on compromised small office/home office (SOHO) routers since at least May 2021. In early July, researchers from Lumen Black Lotus Labs discovered the AVRecon botnet that targets small office/home office (SOHO) routers and infected over 70,000 devices from 20 countries. Threat actors behind the campaign aimed at building a botnet to […]

Pierluigi Paganini July 29, 2023
CISA warns about SUBMARINE Backdoor employed in Barracuda ESG attacks

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warns of threat actors deploying the SUBMARINE Backdoor in Barracuda ESG attacks. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) published an alert on a malware variant, tracked as SUBMARINE Backdoor, that was employed in attacks exploiting the flaw CVE-2023-2868 in Barracuda Email Security Gateway (ESG) appliances. The vulnerability […]

Pierluigi Paganini July 29, 2023
Now Abyss Locker also targets VMware ESXi servers

A Linux variant of the Abyss Locker designed to target VMware ESXi servers appeared in the threat landscape, experts warn. The operators behind the Abyss Locker developed a Linux variant that targets VMware ESXi servers expanding their potential targets. VMware ESXi servers are privileged targets of ransomware groups and are often part of enterprises’ infrastructures. […]

Pierluigi Paganini July 28, 2023
Russian APT BlueBravo targets diplomatic entities with GraphicalProton backdoor

Russia-linked BlueBravo has been spotted targeting diplomatic entities in Eastern Europe with the GraphicalProton Backdoor. The Russia-linked threat-state actor BlueBravo (aka APT29, Cloaked Ursa, and Midnight Blizzard, Nobelium) has been observed targeting diplomatic entities throughout Eastern Europe. The group was observed conducting a spear-phishing campaign with the end goal of infecting recipients with a new backdoor […]

Pierluigi Paganini July 24, 2023
Experts warn of OSS supply chain attacks against the banking sector

Checkmark researchers have uncovered the first known targeted OSS supply chain attacks against the banking sector. In the first half of 2023, Checkmarx researchers detected multiple open-source software supply chain attacks aimed at the banking sector. These attacks targeted specific components in web assets used by banks, according to the experts the attackers used advanced techniques. […]