Aug 27, 2024Ravie LakshmananCyber Espionage / Malware Users of Chinese instant messaging apps like DingTalk and WeChat are the target of an Apple macOS version of a backdoor named HZ RAT. The artifacts "almost exactly replicate the functionality of the Windows version of the backdoor and differ only in the payload, which is received in the form of shell scripts from the … [Read more...] about macOS Version of HZ RAT Backdoor Targets Chinese Messaging App Users
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Hardware Backdoor Discovered in RFID Cards Used in Hotels and Offices Worldwide
Aug 22, 2024Ravie LakshmananHardware Security / Supply Chain Attack Cybersecurity researchers have uncovered a hardware backdoor within a particular model of MIFARE Classic contactless cards that could allow authentication with an unknown key and open hotel rooms and office doors. The attacks have been demonstrated against FM11RF08S, a new variant of MIFARE Classic that was … [Read more...] about Hardware Backdoor Discovered in RFID Cards Used in Hotels and Offices Worldwide
Hackers Exploit PHP Vulnerability to Deploy Stealthy Msupedge Backdoor
Aug 20, 2024Ravie LakshmananVulnerability / Threat Intelligence A previously undocumented backdoor named Msupedge has been put to use against a cyber attack targeting an unnamed university in Taiwan. "The most notable feature of this backdoor is that it communicates with a command-and-control (C&C) server via DNS traffic," the Symantec Threat Hunter Team, part of … [Read more...] about Hackers Exploit PHP Vulnerability to Deploy Stealthy Msupedge Backdoor
ExCobalt Cyber Gang Targets Russian Sectors with New GoRed Backdoor
Jun 22, 2024NewsroomCyber Espionage / Threat Intelligence Russian organizations have been targeted by a cybercrime gang called ExCobalt using a previously unknown Golang-based backdoor known as GoRed. "ExCobalt focuses on cyber espionage and includes several members active since at least 2016 and presumably once part of the notorious Cobalt Gang," Positive Technologies … [Read more...] about ExCobalt Cyber Gang Targets Russian Sectors with New GoRed Backdoor
Russian APT Deploys New ‘Kapeka’ Backdoor in Eastern European Attacks
Apr 17, 2024NewsroomRansomware / Cyber Espionage A previously undocumented "flexible" backdoor called Kapeka has been "sporadically" observed in cyber attacks targeting Eastern Europe, including Estonia and Ukraine, since at least mid-2022. The findings come from Finnish cybersecurity firm WithSecure, which attributed the malware to the Russia-linked advanced persistent … [Read more...] about Russian APT Deploys New ‘Kapeka’ Backdoor in Eastern European Attacks
Popular Rust Crate liblzma-sys Compromised with XZ Utils Backdoor Files
"Test files" associated with the XZ Utils backdoor have made their way to a Rust crate known as liblzma-sys, new findings from Phylum reveal. liblzma-sys, which has been downloaded over 21,000 times to date, provides Rust developers with bindings to the liblzma implementation, an underlying library that is part of the XZ Utils data compression software. The impacted version in … [Read more...] about Popular Rust Crate liblzma-sys Compromised with XZ Utils Backdoor Files
Secret Backdoor Found in XZ Utils Library, Impacts Major Linux Distros
Mar 30, 2024NewsroomLinux / Supply Chain Attack Red Hat on Friday released an "urgent security alert" warning that two versions of a popular data compression library called XZ Utils (previously LZMA Utils) have been backdoored with malicious code designed to allow unauthorized remote access. The software supply chain compromise, tracked as CVE-2024-3094, has a CVSS score of … [Read more...] about Secret Backdoor Found in XZ Utils Library, Impacts Major Linux Distros
RustDoor macOS Backdoor Targets Cryptocurrency Firms with Fake Job Offers
Feb 16, 2024NewsroomEndpoint Security / Cryptocurrency Several companies operating in the cryptocurrency sector are the target of a newly discovered Apple macOS backdoor codenamed RustDoor. RustDoor was first documented by Bitdefender last week, describing it as a Rust-based malware capable of harvesting and uploading files, as well as gathering information about the … [Read more...] about RustDoor macOS Backdoor Targets Cryptocurrency Firms with Fake Job Offers
Russian Turla Hackers Target Polish NGOs with New TinyTurla-NG Backdoor
Feb 15, 2024NewsroomMalware / Cyber Espionage The Russia-linked threat actor known as Turla has been observed using a new backdoor called TinyTurla-NG as part of a three-month-long campaign targeting Polish non-governmental organizations in December 2023. "TinyTurla-NG, just like TinyTurla, is a small 'last chance' backdoor that is left behind to be used when all other … [Read more...] about Russian Turla Hackers Target Polish NGOs with New TinyTurla-NG Backdoor
New Stealthy “RustDoor” Backdoor Targeting Apple macOS Devices
Feb 10, 2024NewsroommacOS Malware / Cyber Threat Apple macOS users are the target of a new Rust-based backdoor that has been operating under the radar since November 2023. The backdoor, codenamed RustDoor by Bitdefender, has been found to impersonate an update for Microsoft Visual Studio and target both Intel and Arm architectures. The exact initial access pathway used to … [Read more...] about New Stealthy “RustDoor” Backdoor Targeting Apple macOS Devices