Cyber Defense Advisors

Month: May 2024

  • by
  • May 30, 2024

Supply Chain Attack against Courtroom Software

No word on how this backdoor was installed: A software maker serving more than 10,000 courtrooms throughout the world hosted an application update containing a hidden backdoor that maintained persistent communication with a malicious website, researchers reported Thursday, in the latest episode of a supply-chain attack. The software, known as the JAVS Viewer 8, is […]

Cyber News
  • by
  • May 30, 2024

Europol Shuts Down 100+ Servers Linked to IcedID, TrickBot, and Other Malware

Europol on Thursday said it shut down the infrastructure associated with several malware loader operations such as IcedID, SystemBC, PikaBot, SmokeLoader, Bumblebee, and TrickBot as part of a coordinated law enforcement effort codenamed Operation Endgame. “The actions focused on disrupting criminal services through arresting High Value Targets, taking down the criminal infrastructures and freezing illegal […]

Cyber News
  • by
  • May 30, 2024

U.S. Dismantles World’s Largest 911 S5 Botnet with 19 Million Infected Devices

The U.S. Department of Justice (DoJ) on Wednesday said it dismantled what it described as “likely the world’s largest botnet ever,” which consisted of an army of 19 million infected devices that was leased to other threat actors to commit a wide array of offenses. The botnet, which has a global footprint spanning more than […]

Cyber News
  • by
  • May 30, 2024

Okta Warns of Credential Stuffing Attacks Targeting Customer Identity Cloud

Okta is warning that a cross-origin authentication feature in Customer Identity Cloud (CIC) is susceptible to credential stuffing attacks orchestrated by threat actors. “We observed that the endpoints used to support the cross-origin authentication feature being attacked via credential stuffing for a number of our customers,” the Identity and access management (IAM) services provider said. […]

Cyber News
  • by
  • May 29, 2024

Is Your Computer Part of ‘The Largest Botnet Ever?’

The U.S. Department of Justice (DOJ) today said they arrested the alleged operator of 911 S5, a ten-year-old online anonymity service that was powered by what the director of the FBI called “likely the world’s largest botnet ever.” The arrest coincided with the seizure of the 911 S5 website and supporting infrastructure, which the government […]

Cyber News
  • by
  • May 29, 2024

Going going gone! Ransomware attack grabs Christie’s client data for a steal

Graham CLULEY May 29, 2024 Promo Protect all your devices, without slowing them down. Free 30-day trial The world-renowned auction house Christie’s has confirmed that it has fallen victim to a ransomware attack, seemingly orchestrated by a Russia-linked cybercriminal gang. Two weeks ago the CEO of the world’s wealthiest auction house posted on LinkedIn blamed […]

Cyber News
  • by
  • May 29, 2024

Cybercriminals Abuse Stack Overflow to Promote Malicious Python Package

Cybersecurity researchers have warned of a new malicious Python package that has been discovered in the Python Package Index (PyPI) repository to facilitate cryptocurrency theft as part of a broader campaign. The package in question is pytoileur, which has been downloaded 316 times as of writing. Interestingly, the package author, who goes by the name […]

Cyber News
  • by
  • May 29, 2024

Check Point Warns of Zero-Day Attacks on its VPN Gateway Products

Check Point is warning of a zero-day vulnerability in its Network Security gateway products that threat actors have exploited in the wild. Tracked as CVE-2024-24919 (CVSS score: 8.6), the issue impacts CloudGuard Network, Quantum Maestro, Quantum Scalable Chassis, Quantum Security Gateways, and Quantum Spark appliances. “The vulnerability potentially allows an attacker to read certain information […]

Cyber News
  • by
  • May 29, 2024

Brazilian Banks Targeted by New AllaKore RAT Variant Called AllaSenha

Brazilian banking institutions are the target of a new campaign that distributes a custom variant of the Windows-based AllaKore remote access trojan (RAT) called AllaSenha. The malware is “specifically aimed at stealing credentials that are required to access Brazilian bank accounts, [and] leverages Azure cloud as command-and-control (C2) infrastructure,” French cybersecurity company HarfangLab said in […]

Cyber News