Guarding the Bridge: New Attack Vectors in Azure AD Connect
By researching Azure AD Connect components, Sygnia was able to discover several attack vectors for extracting Connector credentials and domain users’ NT hashes, while avoiding common security solutions.
Reptile is an open-source kernel module rootkit that targets Linux systems and is publicly available on GitHub. [1] Rootkits are malware that possess the capability to conceal themselves or other malware. They primarily target files, processes, and network communications for their concealment. Reptile’s concealment capabilities include not only its own kernel module but also files, directories, file contents, processes, and network traffic. Unlike other rootkit malware that typically only provide concealment capabilities, Reptile goes a step further by offering a reverse...
Unauthorized Access to Cross-Tenant Applications in Microsoft Power Platform
A researcher at Tenable has discovered an issue that enables limited, unauthorized access to cross-tenant applications and sensitive data (including but not limited to authentication secrets). Background The issue occurred as a result of insufficient access control to Azure Function hosts, which are launched as part of the creation and operation of custom connectors in Microsoft’s Power Platform (Power Apps, Power Automation).
Last week, Senator Ron Wyden sent a letter to the Cybersecurity and Infrastructure Security Agency (CISA), the Department of Justice and the Federal Trade Commission (FTC) asking that they hold Microsoft accountable for a repeated pattern of negligent cybersecurity practices, which has enabled Chine
Russia-backed hackers used Microsoft Teams to breach government agencies | TechCrunch
Russian state-sponsored hackers posed as technical support staff on Microsoft Teams to compromise dozens of global organizations, including government agencies.
Tomcat Under Attack: Exploring Mirai Malware and Beyond
Tomcat Vulnerability explore some of the techniques used by the Mirai botnet to exploit a single attack directed at one of our Apache Tomcat honeypots.
Malicious Batch File (*.bat) Disguised as a Document Viewer Being Distributed (Kimsuky)
AhnLab Security Emergency response Center (ASEC) has confirmed the distribution of malware in the form of a batch file (*.bat). This malware is designed to download various scripts based on the anti-malware process, including AhnLab products, installed in the user’s environment. Based on the function names used by the malware and the downloaded URL parameters, it is suspected to have been distributed by the Kimsuky group.
TETRA Radio Code Encryption Has a Flaw: A Backdoor
A secret encryption cipher baked into radio systems used by critical infrastructure workers, police, and others around the world is finally seeing sunlight. Researchers say it isn’t pretty.
Critical Infrastructure Companies Warned to Watch for Ongoing Cyberattack
Hackers exploited a ‘zero-day’ flaw in Ivanti software to breach 12 ministries in Norway Norway’s security officials warned around 20 critical infrastructure companies, other businesses and public agencies in the country they might also be vulnerable to a cyberattack disclosed Monday that hit 12 government ministries.
Ivanti warns of second vulnerability used in attacks on Norway gov’t
A second vulnerability affecting mobile endpoint management software from IT giant Ivanti has been discovered, according to a new advisory from the company.
U.S. Hunts Chinese Malware That Could Disrupt American Military Operations
American intelligence officials believe the malware could give China the power to disrupt or slow American deployments or resupply operations, including during a Chinese move against Taiwan.
Almost 40% of Ubuntu users vulnerable to new privilege elevation flaws
Two Linux vulnerabilities introduced recently into the Ubuntu kernel create the potential for unprivileged local users to gain elevated privileges on a massive number of devices.
It turns out that with precise scheduling, you can cause some processors to recover from a mispredicted vzeroupper incorrectly! This technique is CVE-2023-20593 and it works on all Zen 2 class processors, which includes at least the following products
Cryptojacking: Understanding and defending against cloud compute resource abuse
Cloud cryptojacking, a type of cyberattack that uses computing power to mine cryptocurrency, could result in financial loss to targeted organizations due to the compute fees that can be incurred from the abuse.
Q2 2023 saw an unprecedented escalation in DDoS attack sophistication. Pro-Russian hacktivists REvil, Killnet and Anonymous Sudan joined forces to attack Western sites. Mitel vulnerability exploits surged by a whopping 532%, and attacks on crypto rocketed up by 600%. Read the full story...
Threat Actors Add .zip Domains to Their Phishing Arsenals
In the evolving cybersecurity landscape, understanding the phishing threat has become more critical than ever. Read into a new threat resulting from the addition of a new Top-Level Domain (TLD), '.ZIP'.
JumpCloud says 'nation state' gang hit some customers
JumpCloud says a "sophisticated nation-state" attacker broke into its IT systems and targeted some of its customers. The identity and access management provider, particularly popular with sysadmins wrangling Macs on corporate networks, said it first discovered signs of an intrusion on June 27. The biz at the time determined persons unknown got "unauthorized access to a specific area of our infrastructure" using a "sophisticated spear-phishing campaign" that began five days prior.
CVE-2023-38408: Remote Code Execution in OpenSSH’s forwarded ssh-agent
The Qualys Threat Research Unit (TRU) has discovered a remote code execution vulnerability in OpenSSH's forwarded ssh-agent. This vulnerability allows a remote…
Typo leaks millions of US military emails to Mali web operator.
Millions of US military emails have been misdirected to Mali through a “typo leak” that has exposed highly sensitive information, including diplomatic documents, tax returns, passwords and the travel details of top officers.
As a result, today we are publishing details of activity by a sophisticated nation-state sponsored threat actor that gained unauthorized access to our systems to target a small and specific set of our customers. Prior to sharing this information, we notified and worked with the impacted customers. We have also been working with our incident response (IR) partners and law enforcement on both our investigation and steps designed to make our systems and our customers’ operations even more secure. The attack vector used by the threat actor has been mitigated.
Inside the subsea cable firm secretly helping American take on China
SubCom is laying deepwater internet cables to boost U.S. economic and military might, including a secret mission to a remote island naval base, Reuters found.
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