Japanese Cryptocurrency Exchange Falls Victim to JokerSpy macOS Backdoor Attack

An unknown cryptocurrency exchange located in Japan was the target of a new attack earlier this month to deploy an Apple macOS backdoor called JokerSpy. Elastic Security Labs, which is monitoring the intrusion set under the name REF9134, said the attack led to the installation of Swiftbelt, a...

NSA Releases Guide to Combat Powerful BlackLotus Bootkit Targeting Windows Systems

The U.S. National Security Agency NSA on Thursday released guidance to help organizations detect and prevent infections of a Unified Extensible Firmware Interface UEFI bootkit called BlackLotus. To that end, the agency is recommending that "infrastructure owners take action by hardening user...

Fedora 38 : trafficserver (2023-2e6bead58b)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-2e6bead58b advisory. Update to upstream 9.2.1; resolves CVE-2022-47184, CVE-2023-30631, CVE-2023-33933 Tenable has extracted the preceding description block directly fro...

Fedora 37 : trafficserver (2023-92686b3e8b)

The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-92686b3e8b advisory. Update to upstream 9.2.1; resolves CVE-2022-47184, CVE-2023-30631, CVE-2023-33933 Tenable has extracted the preceding description block directly fro...

CVE-2023-20894

The VMware vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger an out-of-bound write by sending a specially crafted packet leading to memory corruption...

Design/Logic Flaw

The VMware vCenter Server contains a use-after-free vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may exploit this issue to execute arbitrary code on the underlying operating system that hosts vCenter Server...

Vmware Aria Operations for Networks Command Injection Vulnerability

VMware Aria Operations for Networks formerly vRealize Network Insight contains a command injection vulnerability that allows a malicious actor with network access to perform an attack resulting in remote code execution...

Debian DSA-5435-1 : trafficserver - security update

The remote Debian 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5435 advisory. - Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Software Foundation Apache Traffic Server.This issue affects Apache...

Chinese Hacker Group 'Flea' Targets American Ministries with Graphican Backdoor

Foreign affairs ministries in the Americas have been targeted by a Chinese state-sponsored actor named Flea as part of a recent campaign that spanned from late 2022 to early 2023. The cyber attacks, per Broadcom's Symantec, involved a new backdoor codenamed Graphican. Some of the other targets...

PT-2023-25003 · Sliver · Sliver

Name of the Vulnerable Software and Affected Versions: Sliver versions 1.5.x through 1.5.39 Description: The issue is related to an improper cryptographic implementation, allowing attackers to execute a man-in-the-middle attack via intercepted and crafted responses. This enables attackers to...

From Cryptojacking to DDoS Attacks: Diicot Expands Tactics with Cayosin Botnet

Cybersecurity researchers have discovered previously undocumented payloads associated with a Romanian threat actor named Diicot , revealing its potential for launching distributed denial-of-service DDoS attacks. "The Diicot name is significant, as it's also the name of the Romanian organized crim...

From Cryptojacking to DDoS Attacks: Diicot Expands Tactics with Cayosin Botnet

Cybersecurity researchers have discovered previously undocumented payloads associated with a Romanian threat actor named Diicot, revealing its potential for launching distributed denial-of-service DDoS attacks. "The Diicot name is significant, as it's also the name of the Romanian organized crime...

ChamelDoH: New Linux Backdoor Utilizing DNS-over-HTTPS Tunneling for Covert CnC

The threat actor known as ChamelGang has been observed using a previously undocumented implant to backdoor Linux systems, marking a new expansion of the threat actor's capabilities. The malware, dubbed ChamelDoH by Stairwell, is a C++-based tool for communicating via DNS-over-HTTPS DoH tunneling...

Activities in the Cybercrime Underground Require a New Approach to Cybersecurity

As Threat Actors Continuously Adapt their TTPs in Today's Threat Landscape, So Must You Earlier this year, threat researchers at Cybersixgill released the annual report, The State of the Cybercrime Underground . The research stems from an analysis of Cybersixgill's collected intelligence items...

Microsoft Response to Layer 7 Distributed Denial of Service (DDoS) Attacks

Summary Summary Beginning in early June 2023, Microsoft identified surges in traffic against some services that temporarily impacted availability. Microsoft promptly opened an investigation and subsequently began tracking ongoing DDoS activity by the threat actor that Microsoft tracks as...

Microsoft Response to Layer 7 Distributed Denial of Service (DDoS) Attacks

Summary Beginning in early June 2023, Microsoft identified surges in traffic against some services that temporarily impacted availability. Microsoft promptly opened an investigation and subsequently began tracking ongoing DDoS activity by the threat actor that Microsoft tracks as Storm-1359. Thes...

Chinese UNC4841 Group Exploits Zero-Day Flaw in Barracuda Email Security Gateway

A suspected China-nexus threat actor dubbed UNC4841 has been linked to the exploitation of a recently patched zero-day flaw in Barracuda Email Security Gateway ESG appliances since October 2022. "UNC4841 is an espionage actor behind this wide-ranging campaign in support of the People's Republic o...

New Report Reveals Shuckworm's Long-Running Intrusions on Ukrainian Organizations

The Russian threat actor known as Shuckworm has continued its cyber assault spree against Ukrainian entities in a bid to steal sensitive information from compromised environments. Targets of the recent intrusions, which began in February/March 2023, include security services, military, and...

Microsoft Warns of New Russian State-Sponsored Hacker Group with Destructive Intent

Microsoft on Wednesday took the lid off a "novel and distinct Russian threat actor," which it said is linked to the General Staff Main Intelligence Directorate GRU and has a "relatively low success rate." The tech giant's Threat Intelligence team, which was previously tracking the group under its...

Cadet Blizzard emerges as a novel and distinct Russian threat actor

As Russia’s invasion of Ukraine continues into its second year and Microsoft continues to collaborate with global partners in response, the exposure of destructive cyber capabilities and information operations provide greater clarity into the tools and techniques used by Russian state-sponsored...