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Joint Cybersecurity Advisory – #StopRansomware: LockBit 3.0 Ransomware Affiliates Exploit Citrix Bleed Vulnerability

Today, CISA, the FBI, the Multi-State Information Sharing & Analysis Center (MS-ISAC), and the Australian Signals Directorate’s Australian Cyber Security Center (ASD’s ACSC) released a joint Cybersecurity Advisory (CSA), #StopRansomware: LockBit Ransomware Affiliates Exploit CVE 2023-4966 Citrix Bleed Vulnerability (along with an accompanying analysis report MAR-10478915-1.v1 Citrix Bleed), in response to LockBit 3.0 ransomware affiliates and multiple threat actor groups exploiting CVE-2023-4966.

Patch Now: Critical Vulnerability Exposes CrushFTP Users to Severe Risks  

A critical vulnerability (CVE-2023-43177) in CrushFTP allows hackers to access files, execute code, and steal passwords. Although a fix was issued in version 10.5.2, a recent public exploit by Converge demands immediate updates for CrushFTP users. This exploit lets attackers read, delete files, and potentially gain total control over systems using specific web ports and functions in CrushFTP.

Joint Cybersecurity Advisory – #StopRansomware: Rhysida Ransomware

Yesterday, CISA, the FBI, and the Multi-State Information Sharing and Analysis Center (MS-ISAC) released a joint Cybersecurity Advisory (CSA), “#StopRansomware: Rhysida Ransomware”, to provide network defenders with known Rhysida ransomware indicators of compromise (IOCs), detection methods, and tactics, techniques, and procedures (TTPs) identified through investigations as recently as September 2023.

Joint Cybersecurity Advisory – #StopRansomware: Royal Ransomware (Updated November 14, 2023)

November 14, 2023

The FBI and CISA recently published an update to the joint Cybersecurity Advisory “#StopRansomware: Royal Ransomware.” The updated advisory provides network defenders with additional information on tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) associated with Royal ransomware variants. FBI investigations identified these TTPs and IOCs as recently as June 2023.

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