Recorded Future’s Insikt Group has identified TAG-70, a threat actor likely operating on behalf of Belarus and Russia, conducting cyber-espionage against targeting government, military, and national infrastructure entities in Europe and Central Asia since at least December 2020. In its latest campaign, which ran between October and December 2023, TAG-70 exploited cross-site scripting (XSS) vulnerabilities in Roundcube webmail servers in its targeting of over 80 organizations, primarily in Georgia, Poland, and Ukraine.…
Tag: HUNTING
The Agniane Stealer is an information-stealing malware mainly targeting the cryptocurrency wallets of its victims. It gained popularity on the internet starting in August 2023. Recently, we have observed a distinct campaign spreading it across our telemetry. Our recent study has led to the successful identification and detailed analysis of a previously unrecognized network URL pattern.…
This post is also available in: 日本語 (Japanese)
Executive SummaryInsidious Taurus (aka Volt Typhoon) is identified by U.S. government agencies and international government partners as People’s Republic of China (PRC) state-sponsored cyber actors. This group focuses on pre-positioning themselves within U.S. critical infrastructure IT networks, likely in preparation for disruptive or destructive cyberattacks in the event of a major crisis or conflict with the United States.…
Threat actors of advanced capability seek to compromise network edge devices such as Ivanti systems to establish advanced footholds, from which to perform targeted reconnaissance identifying organizations with data of high value. Three vulnerabilities recently announced in Ivanti systems underscore the importance of layered security for internet-exposed systems.…
The APT group Water Hydra has been exploiting the Microsoft Defender SmartScreen vulnerability (CVE-2024-21412) in its campaigns targeting financial market traders. This vulnerability, which has now been patched by Microsoft, was discovered and disclosed by the Trend Micro Zero Day Initiative.
The Trend Micro Zero Day Initiative discovered the vulnerability CVE-2024-21412 which we track as ZDI-CAN-23100, and alerted Microsoft of a Microsoft Defender SmartScreen bypass used as part of a sophisticated zero-day attack chain by the advanced persistent threat (APT) group we track as Water Hydra (aka DarkCasino) that targeted financial market traders.…
This Threat Analysis Report will delve into compromised YouTube accounts being used as a vector for the spread of malware. It will outline how this attack vector is exploited for low-burn, low-cost campaigns, highlighting strategies used by threat actors and how defenders can detect and prevent these attacks. …
Executive Summary
Read More EclecticIQ analysts observed that cybercriminals increased the delivery of the DarkGate loader following the FBI’s takedown of Qakbot infrastructure in August 2023 [1]. EclecticIQ analysts assess with high confidence that financially motivated threat actors, including groups like TA577 and Ducktail, along with Ransomware-as-a-Service (RaaS) organizations such as BianLian and Black Basta, primarily use DarkGate.…
The Sandman APT group has garnered massive attention in 2023 for its targeted attacks against telecommunications providers in regions including Europe and Asia. As revealed by By Aleksandar Milenkoski, Bendik Hagen (PwC), and Microsoft Threat Intelligence, utilizing a unique and sophisticated LuaJIT-based modular backdoor, LuaDream; Sandman distinguishes itself through a strategic and stealthy approach, minimizing detection risks and leaving a minimal digital footprint.…
SUMMARY
Read More The Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), and Federal Bureau of Investigation (FBI) assess that People’s Republic of China (PRC) state-sponsored cyber actors are seeking to pre-position themselves on IT networks for disruptive or destructive cyberattacks against U.S. critical infrastructure in the event of a major crisis or conflict with the United States.…
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Published inS2W BLOG· 14 min read ·Feb 7, 2024
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Author: Jiho Kim & Sebin Lee | BLKSMTH
Last Modified : Feb 7, 2024
Photo by Mark König on Unsplash Executive SummaryS2W threat research and intelligence center Talon has hunted for and analyzed a sample of what is believed to be a new malware from the Kimsuky group on VirusTotal.…Ivanti has issued a high-severity advisory for multiple vulnerabilities affecting its Connect Secure and Policy Secure products, including an authentication bypass flaw (CVE-2024-22024) that is currently being exploited in the wild. Customers are urged to apply patches immediately to mitigate risks. #CyberSecurity #VulnerabilityManagement #Ivanti
Read More Keypoints :
Ivanti released an advisory on February 8, 2024, for CVE-2024-22024, an authentication bypass vulnerability.…If you have anything to do with cyber security, you know it employs its own unique and ever-evolving language. Jargon and acronyms are the enemies of clear writing—and are beloved by cyber security experts. So Morphisec has created a comprehensive cyber security glossary that explains commonly used cybersecurity terms, phrases, and technologies.…
The recent identification of CVE-2024-23897 in Jenkins versions up to 2.441 has significantly heightened concerns within the cybersecurity community, particularly focusing on the implications for public-facing Jenkins servers. Jenkins servers are important for many organizations as they are used in continuous integration/continuous deployment (CI/CD) pipelines, automating stages of software development and deployment.…
Cybereason issues Threat Alerts to inform customers of emerging impacting threats, including critical vulnerabilities such as the Ivanti Connect Secure VPN Zero-Day exploitation. Cybereason Threat Alerts summarize these threats and provide practical recommendations for protecting against them.…
This post is also available in: 日本語 (Japanese)
Executive SummaryUnit 42 researchers recently discovered activity attributed to Mispadu Stealer, a stealthy infostealer first reported in 2019. We found this activity as part of the Unit 42 Managed Threat Hunting offering. We discovered this threat activity while hunting for the SmartScreen CVE-2023-36025 vulnerability.…
In a recent series of blog posts related to two zero-day vulnerabilities in Ivanti Connect Secure VPN, Volexity shared details of active in-the-wild exploitation; provided an update on how exploitation had gone worldwide; and reported observations of how malware and modifications to the built-in Integrity Checker Tool were used to evade detection.…
By Securonix Threat Research: D. Iuzvyk, T.Peck, O.Kolesnikov
tldr:An interesting campaign leveraging a new SUBTLE-PAWS PowerShell-based backdoor has been identified targeting Ukraine which follows stealthy tactics to evade detection and spreads by infecting USB drives.
The Securonix Threat Research team has been monitoring an ongoing campaign likely related to Shuckworm targeting Ukrainian military personnel (tracked by Securonix Threat Research as STEADY#URSA).…
On Jan. 12, 2024, Mandiant published a blog post detailing two high-impact zero-day vulnerabilities, CVE-2023-46805 and CVE-2024-21887, affecting Ivanti Connect Secure VPN (CS, formerly Pulse Secure) and Ivanti Policy Secure (PS) appliances. On Jan. 31, 2024, Ivanti disclosed two additional vulnerabilities impacting CS and PS devices, CVE-2024-21888 and CVE-2024-21893.
The vulnerabilities allow for an unauthenticated threat actor to execute arbitrary commands on the appliance with elevated privileges.…
Mandiant Managed Defense has been tracking UNC4990, an actor who heavily uses USB devices for initial infection. UNC4990 primarily targets users based in Italy and is likely motivated by financial gain. Our research shows this campaign has been ongoing since at least 2020.
Despite relying on the age-old tactic of weaponizing USB drives, UNC4990 continues to evolve their tools, tactics and procedures (TTPs).…
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Lena aka LambdaMamba
Read More I am a Cybersecurity Analyst, Researcher, and ANY.RUN Ambassador. My passions include investigations, experimentations, gaming, writing, and drawing. I also like playing around with hardware, operating systems, and FPGAs. I enjoy assembling things as well as disassembling things!…