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Read the original article at https://www.cisa.gov/news-events/alerts/2023/07/06/cisa-and-partners-release-joint-cybersecurity-advisory-newly-identified-truebot-malware-variants

Today, the Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigations (FBI), the Multi-State Information Sharing and Analysis Center (MS-ISAC), and the Canadian Centre for Cyber Security (CCCS) released a joint Cybersecurity Advisory (CSA), Increased Truebot Activity Infects U.S. and Canada Based Networks, to help organizations detect and protect against newly identified Truebot malware variants. Based on confirmation from open-source reporting and analytical findings of Truebot variants, the four organizations assess cyber threat actors leveraged the malware through phishing campaigns containing malicious redirect hyperlinks.

Additionally, newer versions of Truebot malware allow malicious actors to gain initial access by exploiting a known vulnerability with Netwrix Auditor application (CVE-2022-31199). As recently as May 2023, cyber threat actors used this common vulnerability and exposure to deliver new Truebot malware variants and to collect and exfiltrate information against organizations in the U.S. and Canada.

CISA, FBI, MS-ISAC, and the CCCS encourage all organizations to review this joint advisory and implement the recommended mitigations contained therein—including applying patches to CVE-2022-31199, to reduce the likelihood and impact of Truebot activity, as well as other ransomware related incidents. To report incidents and anomalous activity, please contact one of the following organizations:

Organizations are also encouraged to visit StopRansomware.gov—which provides a range of free U.S. government resources and services that can help bolster cyber hygiene, cybersecurity posture and reduce risk to ransomware, and contains an updated Joint #StopRansomware Guide.

Read the original article at https://www.cisa.gov/news-events/alerts/2023/07/06/cisa-and-partners-release-joint-cybersecurity-advisory-newly-identified-truebot-malware-variants