The Cybersecurity and Infrastructure Security Agency (CISA) has published the following ICS vulnerability advisories, as well as alerts, updates, and bulletins:
ICS Vulnerability Advisories:
The Cybersecurity and Infrastructure Security Agency (CISA) has released an update to a previously published Cybersecurity Advisory (CSA), Threat Actors Exploiting Citrix CVE-2023-3519 to Implant Webshells. The updated CSA contains victim information gathered in August 2023.
CISA has released actionable guidance for Federal Civilian Executive Branch (FCEB) agencies to help them evaluate and mitigate the risk of volumetric distributed denial-of-service (DDoS) attacks against their websites and related web services. The Capacity Enhancement Guide: Volumetric DDoS Against Web Services Technical Guidance:
Group-IB has posted a blog discussing its research into W3LL, a mature, phishing-focused threat actor that has developed and is selling a phishing kit capable of bypassing MFA.
The following posts are useful for general awareness of current threats, vulnerabilities, guidance, and other cyber-related news or updates. These resources have been curated by the WaterISAC analyst team as items of broad relevance and benefit that do not need supplemental analysis at this time.
Critical Infrastructure Vulnerabilities & Resilience
The Cybersecurity and Infrastructure Security Agency (CISA) has published the following ICS vulnerability advisories, as well as alerts, updates, and bulletins:
ICS Vulnerability Advisories:
CISA Releases Two Industrial Control Systems Advisories
Products are used across multiple sectors, please check these latest advisories for specific equipment used across your ICS environments and address accordingly.
Phishing continues to be one of the primary methods of attacks used by cyber criminals. Proofpoint’s latest “State of the Phish” report found that 84% of organizations around the world experienced at least one successful phishing attack in 2022. More than half (54%) of organizations reported facing three or more of these attacks.
A group of cyber criminals, tracked as “Smishing Triad,” is conducting a large-scale smishing (SMS phishing) campaign targeting U.S. citizens and purporting to be from the United States Postal Service (USPS), according to security researchers at Resecurity. Since users typically trust SMS communication channels more than e-mail, this campaign has reportedly compromised over 100,000 victims.
SC Media has written an article discussing the risks of not properly administering and updating an organization’s non-employee identity management systems.
Securonix has written a blog post describing an observed brute-force attack against Microsoft SQL servers to deploy Cobalt Strike and FreeWorld ransomware. The organization’s researchers found this attack interesting due to the relative sophistication of its tooling, infrastructure, and payloads.
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