Jan 29, 2023Ravie LakshmananCyber Threat / Malware The threat actors associated with the Gootkit malware have made "notable changes" to their toolset, adding new components and obfuscations to their infection chains. Google-owned Mandiant is monitoring the activity cluster under the moniker UNC2565, noting that the usage of the malware is "exclusive to this group." Gootkit, … [Read more...] about Gootkit Malware Continues to Evolve with New Components and Obfuscations
information security
Microsoft Urges Customers to Secure On-Premises Exchange Servers
Jan 28, 2023Ravie LakshmananEmail Security / Cyber Threat Microsoft is urging customers to keep their Exchange servers updated as well as take steps to bolster the environment, such as enabling Windows Extended Protection and configuring certificate-based signing of PowerShell serialization payloads. "Attackers looking to exploit unpatched Exchange servers are not going to go … [Read more...] about Microsoft Urges Customers to Secure On-Premises Exchange Servers
ISC Releases Security Patches for New BIND DNS Software Vulnerabilities
Jan 28, 2023Ravie LakshmananServer Security / DNS The Internet Systems Consortium (ISC) has released patches to address multiple security vulnerabilities in the Berkeley Internet Name Domain (BIND) 9 Domain Name System (DNS) software suite that could lead to a denial-of-service (DoS) condition. "A remote attacker could exploit these vulnerabilities to potentially cause … [Read more...] about ISC Releases Security Patches for New BIND DNS Software Vulnerabilities
Hive Ransomware Infrastructure Seized in Joint International Law Enforcement Effort
In what's a case of hacking the hackers, the darknet infrastructure associated with the Hive ransomware-as-a-service (RaaS) operation has been seized as part of a coordinated law enforcement effort involving 13 countries. "Law enforcement identified the decryption keys and shared them with many of the victims, helping them regain access to their data without paying the … [Read more...] about Hive Ransomware Infrastructure Seized in Joint International Law Enforcement Effort
New Python-based RAT Uses WebSocket for C2 and Data Exfiltration
Jan 26, 2023Ravie LakshmananThreat Detection / Endpoint Security Cybersecurity researchers have unearthed a new Python-based attack campaign that leverages a Python-based remote access trojan (RAT) to gain control over compromised systems since at least August 2022. "This malware is unique in its utilization of WebSockets to avoid detection and for both command-and-control … [Read more...] about New Python-based RAT Uses WebSocket for C2 and Data Exfiltration
LastPass Parent Company GoTo Suffers Data Breach, Customers’ Backups Compromised
Jan 25, 2023Ravie LakshmananData Breach / Remote Work Tool LastPass-owner GoTo (formerly LogMeIn) on Tuesday disclosed that unidentified threat actors were able to steal encrypted backups of some customers' data along with an encryption key for some of those backups in a November 2022 incident. The breach, which targeted a third-party cloud storage service, impacted Central, … [Read more...] about LastPass Parent Company GoTo Suffers Data Breach, Customers’ Backups Compromised
Facebook Introduces New Features for End-to-End Encrypted Messenger App
Jan 24, 2023Ravie LakshmananEncryption / Privacy Meta Platforms on Monday announced that it has started to expand global testing of end-to-end encryption (E2EE) in Messenger chats by default. "Over the next few months, more people will continue to see some of their chats gradually being upgraded with an extra layer of protection provided by end-to-end encryption," Meta's … [Read more...] about Facebook Introduces New Features for End-to-End Encrypted Messenger App
Massive Ad Fraud Scheme Targeted Over 11 Million Devices with 1,700 Spoofed Apps
Jan 23, 2023Ravie LakshmananMobile Security / Malvertising Researchers have shut down an "expansive" ad fraud scheme that spoofed more than 1,700 applications from 120 publishers and impacted roughly 11 million devices. "VASTFLUX was a malvertising attack that injected malicious JavaScript code into digital ad creatives, allowing the fraudsters to stack numerous invisible … [Read more...] about Massive Ad Fraud Scheme Targeted Over 11 Million Devices with 1,700 Spoofed Apps
Roaming Mantis Spreading Mobile Malware That Hijacks Wi-Fi Routers’ DNS Settings
Jan 20, 2023Ravie LakshmananNetwork Security / Mobile Hacking Threat actors associated with the Roaming Mantis attack campaign have been observed delivering an updated variant of their patent mobile malware known as Wroba to infiltrate Wi-Fi routers and undertake Domain Name System (DNS) hijacking. Kaspersky, which carried out an analysis of the malicious artifact, said the … [Read more...] about Roaming Mantis Spreading Mobile Malware That Hijacks Wi-Fi Routers’ DNS Settings
Gamaredon Group Launches Cyberattacks Against Ukraine Using Telegram
Jan 20, 2023Ravie LakshmananCyber War / Cyber Attack The Russian state-sponsored cyber espionage group known as Gamaredon has continued its digital onslaught against Ukraine, with recent attacks leveraging the popular messaging app Telegram to strike military and law enforcement sectors in the country. "The Gamaredon group's network infrastructure relies on multi-stage … [Read more...] about Gamaredon Group Launches Cyberattacks Against Ukraine Using Telegram