Security News
An increasing number of ransomware operations are adopting the leaked Babuk ransomware source code to create Linux encryptors targeting VMware ESXi servers. "There is a noticeable trend that actors increasingly use the Babuk builder to develop ESXi and Linux ransomware," said SentinelLabs threat researcher Alex Delamotte.
The advanced persistent threat actor known as SideWinder has been accused of deploying a backdoor in attacks directed against Pakistan government organizations as part of a campaign that commenced in late November 2022. "In this campaign, the SideWinder advanced persistent threat group used a server-based polymorphism technique to deliver the next stage payload," the BlackBerry Research and Intelligence Team said in a technical report published Monday.
Right now that means transitioning purely on-premises environments from Basic Authentication to Auth 2.0, also known as Modern Authentication, or Modern Auth. While this move is aimed at Exchange Server 2019, "Customers who have backend servers running Exchange Server 2016 CU23 are also supported for Modern auth," Microsoft's Exchange Team wrote this month.
Veeam backup servers are being targeted by at least one group of threat actors known to work with multiple high-profile ransomware gangs. Malicious activity and tools echoing FIN7 attacks have been observed in intrusions since March 28, less than a week after an exploit became available for a high-severity vulnerability in Veeam Backup and Replication software.
RTM Locker is the latest enterprise-targeting ransomware operation found to be deploying a Linux encryptor that targets virtual machines on VMware ESXi servers.At the time, Trellix and MalwareHunterTeam had only seen a Windows ransomware encryptor, but as Uptycs reported yesterday, RTM has expanded its targeting to Linux and VMware ESXi servers.
Microsoft has confirmed that the active exploitation of PaperCut servers is linked to attacks designed to deliver Cl0p and LockBit ransomware families. The tech giant's threat intelligence team is attributing a subset of the intrusions to a financially motivated actor it tracks under the name Lace Tempest, which overlaps with other hacking groups like FIN11, TA505, and Evil Corp. "In observed attacks, Lace Tempest ran multiple PowerShell commands to deliver a TrueBot DLL, which connected to a C2 server, attempted to steal LSASS credentials, and injected the TrueBot payload into the conhost.exe service," Microsoft said in a series of tweets.
Microsoft has attributed recent attacks on PaperCut servers to the Clop and LockBit ransomware operations, which used the vulnerabilities to steal corporate data. Today, Microsoft disclosed that the Clop and LockBit ransomware gangs are behind these PaperCut attacks and using them to steal corporate data from vulnerable servers.
Microsoft has attributed recent attacks on PaperCut servers to the Clop and LockBit ransomware operations, which used the vulnerabilities to steal corporate data. Today, Microsoft disclosed that the Clop and LockBit ransomware gangs are behind these PaperCut attacks and using them to steal corporate data from vulnerable servers.
Microsoft has attributed recent attacks on PaperCut servers to the Clop and LockBit ransomware operations, which used the vulnerabilities to steal corporate data. Today, Microsoft disclosed that the Clop and LockBit ransomware gangs are behind these PaperCut attacks and using them to steal corporate data from vulnerable servers.
Cisco disclosed today a zero-day vulnerability in the company's Prime Collaboration Deployment software that can be exploited for cross-site scripting attacks. Tracked as CVE-2023-20060, the bug was found in the web-based management interface of Cisco PCD 14 and earlier by Pierre Vivegnis of the NATO Cyber Security Centre.