Malware

Today, the Federal Bureau of Investigation (FBI)—in partnership with CISA, the National Security Agency (NSA), and other U.S. and international partners—released a joint Cybersecurity Advisory Russian Military Cyber Actors Target U.S. and Global Critical Infrastructure. This advisory provides overlapping cybersecurity industry cyber threat intelligence, tactics, techniques, and procedures (TTPs) and Indicators of Compromise (IOCs) associated with Russian General Staff Main Intelligence Directorate (GRU) 161st Specialist Training Center (Unit 29155) cyber actors, both during and succeeding their…

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Today, CISA—in partnership with the Federal Bureau of Investigation (FBI), Multi-State Information Sharing and Analysis Center (MS-ISAC), and Department of Health and Human Services (HHS)—released a joint Cybersecurity Advisory, #StopRansomware: RansomHub Ransomware. This advisory provides network defenders with indicators of compromise (IOCs), tactics, techniques, and procedures (TTPs), and detection methods associated with RansomHub activity identified through FBI investigations and third-party reporting as recently as August 2024. RansomHub is a ransomware-as-a-service variant—formerly known as Cyclops and Knight—which has…

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Today, CISA—in partnership with the Federal Bureau of Investigation (FBI) and the Department of Defense Cyber Crime Center (DC3)—released Iran-based Cyber Actors Enabling Ransomware Attacks on U.S. Organizations. This joint advisory warns of cyber actors, known in the private sector as Pioneer Kitten, UNC757, Parisite, Rubidium, and Lemon Sandstorm, targeting and exploiting U.S. and foreign organizations across multiple sectors in the U.S.  FBI investigations conducted as recently as August 2024 assess that cyber actors like…

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Versa Networks has released an advisory for a vulnerability (CVE-2024-39717) in Versa Director, a key component in managing SD-WAN networks, used by some Internet Service Providers (ISPs) and Managed Service Providers (MSPs). A cyber threat actor could exploit this vulnerability to take control of an affected system.  CISA urges organizations to apply necessary updates, hunt for any malicious activity, report any positive findings to CISA, and review the following for more information:  Versa Security Bulletin:…

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CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-39717 Versa Director Dangerous File Type Upload Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise. Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities established the Known Exploited Vulnerabilities Catalog as a living list of known Common Vulnerabilities and Exposures (CVEs) that…

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Today, the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC), CISA, FBI, NSA, and international partners are releasing Best Practices for Event Logging and Threat Detection. This guide will assist organizations in defining a baseline for event logging to mitigate malicious cyber threats. The increased prevalence of malicious actors employing living off the land (LOTL) techniques, such as living off the land binaries (LOLBins) and fileless malware, highlights the importance of implementing and maintaining…

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CISA released eleven Industrial Control Systems (ICS) advisories on August 15, 2024. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-24-228-01 Siemens SCALANCE M-800, RUGGEDCOM RM1224 ICSA-24-228-02 Siemens INTRALOG WMS ICSA-24-228-03 Siemens Teamcenter Visualization and JT2Go ICSA-24-228-04 Siemens SINEC Traffic Analyzer ICSA-24-228-05 Siemens LOGO! V8.3 BM Devices ICSA-24-228-06 Siemens SINEC NMS ICSA-24-228-07 Siemens Location Intelligence ICSA-24-228-08 Siemens COMOS ICSA-24-228-09 Siemens NX ICSA-24-228-10 AVEVA Historian Web Server ICSA-24-228-11 PTC Kepware…

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Ivanti released security updates to address multiple vulnerabilities in Ivanti Avalanche, Neurons for ITSM, and Virtual Traffic Manager (vTM).  A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system. Ivanti advises users to reduce their attack surface and follow industry best practices by adhering to Ivanti’s network configuration guidance to restrict access to the management interface.  CISA encourages users and administrators to review the following Ivanti advisories and…

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CISA released ten Industrial Control Systems (ICS) advisories on August 13, 2024. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-24-226-01 AVEVA SuiteLink Server ICSA-24-226-02 Rockwell Automation AADvance Standalone OPC-DA Server ICSA-24-226-03 Rockwell Automation GuardLogix/ControlLogix 5580 Controller  ICSA-24-226-04 Rockwell Automation Pavilion8 ICSA-24-226-05 Rockwell Automation DataMosaix Private Cloud ICSA-24-226-06 Rockwell Automation FactoryTalk View Site Edition ICSA-24-226-07 Rockwell Automation Micro850/870 ICSA-24-226-08 Ocean Data Systems Dream Report ICSA-24-226-09 Rockwell Automation ControlLogix, GuardLogix…

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Microsoft released security updates to address vulnerabilities in multiple products. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following and apply necessary updates: Microsoft Security Update Guide for August

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