Security News
An advanced persistent threat group dubbed ToddyCat has been targeting Microsoft Exchange servers throughout Asia and Europe for more than a year, since at least December 2020. At the time, the hacking group exploited the ProxyLogon Exchange flaws that allowed them to gain remote code execution on vulnerable servers to deploy China Chopper web shells.
The U.S. Department of Justice on Thursday disclosed that it took down the infrastructure associated with a Russian botnet known as RSOCKS in collaboration with law enforcement partners in Germany, the Netherlands, and the U.K. The botnet, operated by a sophisticated cybercrime organization, is believed to have ensnared millions of internet-connected devices, including Internet of Things devices, Android phones, and computers for use as a proxy service. "The RSOCKS botnet offered its clients access to IP addresses assigned to devices that had been hacked," the DoJ said in a press release.
Microsoft says BlackCat ransomware affiliates are now attacking Microsoft Exchange servers using exploits targeting unpatched vulnerabilities. Two weeks after the initial compromise using an unpatched Exchange server as an entry vector, the threat actor deployed BlackCat ransomware payloads across the network via PsExec.
Ransomware gangs are now targeting a recently patched and actively exploited remote code execution vulnerability affecting Atlassian Confluence Server and Data Center instances for initial access to corporate networks. Ransomware starts circling unpatched Confluence servers.
Microsoft has announced a new feature for Microsoft Defender for Endpoint to help organizations prevent attackers and malware from using compromised unmanaged devices to move laterally through the network.There's a catch: the new MDE capability works only with onboarded devices running Windows 10 and later or Windows Server 2019 and later.
Two two American gun shops, Rainier Arms and Numrich Gun Parts, that operate e-commerce sites have disclosed data breaches resulting from card skimmer infections on their sites. Credit card skimmers are malicious JavaScript code either embedded on the sites or fetched from a remote resource by a seemingly innocuous element, such as a favicon.
American cybersecurity firm Mandiant is investigating LockBit ransomware gang's claims that they hacked the company's network and stole data. The ransomware group published a new page on its data leak website earlier today, saying that the 356,841 files they allegedly stole from Mandiant will be leaked online.
On the third and last day of the 2022 Pwn2Own Vancouver hacking contest, security researchers successfully hacked Microsoft's Windows 11 operating system three more times using zero-day exploits. All other contestants hacked their targets, earning $160,000 after taking down Windows 11 three times and Ubuntu Desktop once.
During the second day of the Pwn2Own Vancouver 2022 hacking competition, contestants hacked Microsoft's Windows 11 OS again and demoed zero-days in Tesla Model 3's infotainment system. A third elevation of privileges zero-day caused by an improper access control bug in Windows 11 was demoed on the second day by T0, with namnp failing to demonstrate a second Windows 11 privilege escalation zero-day within the time allotted.
During the first day of Pwn2Own Vancouver 2022, contestants won $800,000 after successfully exploiting 16 zero-day bugs to hack multiple products, including Microsoft's Windows 11 operating system and the Teams communication platform. The first to fall was Microsoft Teams in the enterprise communications category after Hector Peralta exploited an improper configuration flaw.