Attacks

Trusted Directory Abused To Perform UAC Bypass And Deliver Malware

Binary Defense and SentinelOne advise system administrators to set Windows UAC to “Always Notify,” with the caveat that this may be excessively intrusive for some organizations. For trusted filesystem paths with trailing spaces, administrators should keep an eye out for suspicious file creations and process executions, especially in directories containing the string “Windows”. https://www.bleepingcomputer.com/news/security/old-windows-mock-folders-uac-bypass-used-to-drop-malware/

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PoC Released for Critical Microsoft Word RCE Bug

There is no indication that this attack is being carried out in the wild. Microsoft has addressed the issue with a patch but warned that there are other workarounds if needed. For anyone that cannot apply the fix for some reason, Microsoft recommends reading all emails in plain text. Another workaround is to enable the Microsoft Office File Block Policy, which prevents Office apps from opening RTF documents from unknown origins. To do this, the…

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Acer Breach Exposes 160GB of Data

This incident follows a series of Acer security breaches that happened over the previous few years. The REvil ransomware gang attacked the computer manufacturer in March 2021, demanding a record-breaking $50,000,000 ransom payment for a decryptor. The hacker group Desorden gained access to Acer’s after-sales systems in India. As a result, over 60GB of data was compromised, including information about thousands of customers, retailer records, and distributors. https://www.bleepingcomputer.com/news/security/acer-confirms-breach-after-160gb-of-data-for-sale-on-hacking-forum/

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Ransomware Gang Leaks Data Stolen from City of Oakland

Organizations should initiate proactive measures to ensure they are protected from ransomware. The US DHS website, stopransomware.gov, has links to resources that help organizations protect their systems from intrusions that lead to ransomware. To protect against ransomware attacks, organizations should: • Regularly back up data, air gap, and password protect backup copies offline.• Ensure copies of critical data are not accessible for modification or deletion from the system where the data resides.• Implement network segmentation.•…

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DoppelPaymer Ransomware Gang Targeted in Europol Operation

According to the German police, the five suspects have ties to Russia. The DoppelPaymer ransomware operation first appeared in 2019, focusing on critical infrastructure and major corporations. Europol reported that victims based in the United States alone paid the group at least $42.4 million between May 2019 and March 2021. German authorities have also reported 37 targeted companies by the ransomware gang. Among DoppelPaymer’s major victims are Dutch Research Council (NWO), Kia Motors America, laptop…

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Modesto Police Department Suffers Ransomware Attack

This incident serves as a reminder of the growing threat of cyber-attacks and that no industry or organization is off limits. This also highlights the need for organizations to take proactive steps to protect their data and systems. All organizations, both public and private, should review their security practices on a regular basis and take appropriate measures to safeguard their sensitive data from cyber threats. https://www.govtech.com/security/personal-data-exposed-in-cyber-attack-on-modesto-calif-pd

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CISA released three (3) Industrial…

CISA released three (3) Industrial Control Systems (ICS) advisories on February 23, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisories for technical details and mitigations: ICSA-23-054-01 PTC ThingWorx Edge ICSA-22-333-04 Moxa UC Series (Update A) ICSMA-23-047-01 BD Alaris Infusion Central (Update A)  Please share your thoughts. We recently updated our anonymous Product Feedback; we’d welcome your feedback.

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Today, CISA retired US-CERT and…

Today, CISA retired US-CERT and ICS-CERT, integrating CISA’s operational content into a new CISA.gov website that better unifies CISA’s mission. CISA will continue to be responsible for coordinating cybersecurity programs within the U.S. government to protect against malicious cyber activity, including activity related to industrial control systems. In keeping with this responsibility, CISA will continue responding to incidents, providing technical assistance, and disseminating timely notifications of cyber threats and vulnerabilities. Visit the new CISA.gov today!…

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CISA assesses that the United…

CISA assesses that the United States and European nations may experience disruptive and defacement attacks against websites in an attempt to sow chaos and societal discord on February 24, 2023, the anniversary of Russia’s 2022 invasion of Ukraine. CISA urges organizations and individuals to increase their cyber vigilance in response to this potential threat. In response to the heightened geopolitical tensions resulting from Russia’s full-scale invasion of Ukraine, CISA maintains public cybersecurity resources, including Shields…

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CISA has added one new…

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2022-36537 ZK Framework AuUploader Unspecified Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses a significant risk to the federal enterprise. Note: To view other newly added vulnerabilities in the catalog, click on the arrow in the “Date Added to Catalog” column—which will sort by descending dates. Binding Operational Directive (BOD)…

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