- Russian Foreign Intelligence Service (SVR) Exploiting JetBrains TeamCity CVE Globally
December 13, 2023
The US Federal Bureau of Investigation (FBI) and partners assess Russian Foreign Intelligence Service (SVR) cyber actors – also known as Advanced Persistent Threat 29 (APT 29), the Dukes, CozyBear, and NOBELIUM/Midnight Blizzard – are exploiting CVE-2023-42793 a at a large scale, targeting servers hosting JetBrains TeamCity software since September 2023. Software developers use TeamCity software ...
- Russian FSB cyber actor Star Blizzard continues worldwide spear-phishing campaigns
December 8, 2023
The Russia-based actor Star Blizzard (formerly known as SEABORGIUM, also known as Callisto Group/TA446/COLDRIVER/TAG-53/BlueCharlie) continues to successfully use spear-phishing attacks against targeted organisations and individuals in the UK, and other geographical areas of interest, for information-gathering activity. The UK National Cyber Security Centre (NCSC), the US Cybersecurity and Infrastructure Security Agency (CISA), the US Federal Bureau ...
- Star Blizzard increases sophistication and evasion in ongoing attacks
December 7, 2023
Microsoft Threat Intelligence continues to track and disrupt malicious activity attributed to a Russian state-sponsored actor we track as Star Blizzard (formerly SEABORGIUM, also known as COLDRIVER and Callisto Group). Star Blizzard has improved their detection evasion capabilities since 2022 while remaining focused on email credential theft against the same targets. Star Blizzard, whose activities we ...
- TA422’s Dedicated Exploitation Loop – the Same Week After Week
December 5, 2023
Starting in March 2023, Proofpoint researchers have observed the Russian advanced persistent threat (APT) TA422 readily use patched vulnerabilities to target a variety of organizations in Europe and North America. TA422 overlaps with the aliases APT28, Forest Blizzard, Pawn Storm, Fancy Bear, and BlueDelta, and is attributed by the United States Intelligence Community to the Russian ...
- FBI: IRGC-Affiliated Cyber Actors Exploit PLCs in Multiple Sectors, Including U.S. Water and Wastewater Systems Facilities
December 1, 2023
The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), Environmental Protection Agency (EPA), and the Israel National Cyber Directorate (INCD) are disseminating this joint Cybersecurity Advisory (CSA) to highlight continued malicious cyber activity against operational technology devices by Iranian Government Islamic Revolutionary Guard Corps (IRGC)-affiliated Advanced Persistent Threat ...
- AeroBlade on the hunt targeting the U.S. Aerospace industry
November 30, 2023
BlackBerry has uncovered a previously unknown threat actor targeting an aerospace organization in the United States, with the apparent goal of conducting commercial and competitive cyber espionage. The BlackBerry Threat Research and Intelligence team is tracking this threat actor as AeroBlade. The actor used spear-phishing as a delivery mechanism: A weaponized document, sent as an email ...
- Israel-Hamas war spotlight: Shaking the rust off SysJoker
November 23, 2023
Amid tensions in the ongoing Israel-Hamas war, Check Point Research has been conducting active threat hunting in an effort to discover, attribute, and mitigate relevant regional threats. Among those, some new variants of the SysJoker malware, including one coded in Rust, recently caught our attention. Check Point assessment is that these were used in targeted attacks ...
- HrServ – Previously unknown web shell used in APT attack
November 22, 2023
In the course of our routine investigation, we discovered a DLL file, identified as hrserv.dll, which is a previously unknown web shell exhibiting sophisticated features such as custom encoding methods for client communication and in-memory execution. Kaspersky analysis of the sample led to the discovery of related variants compiled in 2021, indicating a potential correlation between ...
- Diamond Sleet supply chain compromise distributes a modified CyberLink installer
November 22, 2023
Microsoft Threat Intelligence has uncovered a supply chain attack by the North Korea-based threat actor Diamond Sleet (ZINC) involving a malicious variant of an application developed by CyberLink Corp., a software company that develops multimedia software products. This malicious file is a legitimate CyberLink application installer that has been modified to include malicious code that downloads, ...
- Hacking Employers and Seeking Employment: Two Job-Related Campaigns Bear Hallmarks of North Korean Threat Actors
November 21, 2023
Unit 42 researchers recently discovered two separate campaigns targeting job-seeking activities linked to state-sponsored threat actors associated with the Democratic People’s Republic of Korea (DPRK), commonly known as North Korea. The research team call the first campaign “Contagious Interview,” where threat actors pose as employers (often anonymously or with vague identities) to lure software developers into ...