Chinese Hackers Exploited New Zero-Day in Barracuda's ESG Appliances

Barracuda has revealed that Chinese threat actors exploited a new zero-day in its Email Security Gateway ESG appliances to deploy backdoors on a "limited number" of devices. Tracked as CVE-2023-7102, the issue relates to a case of arbitrary code execution that resides within a third-party and...

N. Korean Hackers 'Mixing' macOS Malware Tactics to Evade Detection

The North Korean threat actors behind macOS malware strains such as RustBucket and KANDYKORN have been observed "mixing and matching" different elements of the two disparate attack chains, leveraging RustBucket droppers to deliver KANDYKORN. The findings come from cybersecurity firm SentinelOne,...

Russian Hackers Sandworm Cause Power Outage in Ukraine Amidst Missile Strikes

The notorious Russian hackers known as Sandworm targeted an electrical substation in Ukraine last year, causing a brief power outage in October 2022. The findings come from Google's Mandiant, which described the hack as a "multi-event cyber attack" leveraging a novel technique for impacting...

Mandiant Tracks Four Uncategorized Groups Exploiting Citrix Vulnerability

By Waqas Mandiant Investigates Zero-Day Exploitation in Citrix Vulnerability, CVE-2023-4966. This is a post from HackRead.com Read the original post: Mandiant Tracks Four Uncategorized Groups Exploiting Citrix Vulnerability...

Critical Citrix NetScaler Flaw Exploited to Target from Government, Tech Firms

Citrix is warning of exploitation of a recently disclosed critical security flaw in NetScaler ADC and Gateway appliances that could result in exposure of sensitive information. Tracked as CVE-2023-4966 CVSS score: 9.4, the vulnerability impacts the following supported versions - NetScaler ADC and...

N-Able's Take Control Agent Vulnerability Exposes Windows Systems to Privilege Escalation

A high-severity security flaw has been disclosed in N-Able's Take Control Agent that could be exploited by a local unprivileged attacker to gain SYSTEM privileges. Tracked as CVE-2023-27470 CVSS score: 8.8, the issue relates to a Time-of-Check to Time-of-Use TOCTOU race condition vulnerability,...

Chinese Hacking Group Exploits Barracuda Zero-Day to Target Government, Military, and Telecom

A suspected Chinese-nexus hacking group exploited a recently disclosed zero-day flaw in Barracuda Networks Email Security Gateway ESG appliances to breach government, military, defense and aerospace, high-tech industry, and telecom sectors as part of a global espionage campaign. Mandiant, which i...

FBI confirms Barracuda patch is not effective for exploited ESG appliances

In an FBI Flash about a Barracuda ESG vulnerability, listed as CVE-2023-2868, the FBI has stated that the patches released by Barracuda in response to this CVE were ineffective for anyone previously infected. Although both Barracude and Mandiant have already made this determination, the agency sa...

Nearly 2,000 Citrix NetScaler Instances Hacked via Critical Vulnerability

Nearly 2,000 Citrix NetScaler instances have been compromised with a backdoor by weaponizing a recently disclosed critical security vulnerability as part of a large-scale attack. "An adversary appears to have exploited CVE-2023-3519 in an automated fashion, placing web shells on vulnerable...

Freewill Solutions IFIS new trading web application vulnerable to unauthenticated remote code execution

Overview Freewill Solutions IFIS new trading web application version 20.01.01.04 is vulnerable to unauthenticated remote code execution. Successful exploitation of this vulnerability allows an attacker to run arbitrary shell commands on the affected host. Description Freewill Solutions IFIS new...

Reptile Rootkit: Advanced Linux Malware Targeting South Korean Systems

Threat actors are using an open-source rootkit called Reptile to target Linux systems in South Korea. "Unlike other rootkit malware that typically only provide concealment capabilities, Reptile goes a step further by offering a reverse shell, allowing threat actors to easily take control of...

Hackers Deploy "SUBMARINE" Backdoor in Barracuda Email Security Gateway Attacks

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Friday disclosed details of a "novel persistent backdoor" called SUBMARINE deployed by threat actors in connection with the hack on Barracuda Email Security Gateway ESG appliances. "SUBMARINE comprises multiple artifacts — includin...

North Korean Nation-State Actors Exposed in JumpCloud Hack After OPSEC Blunder

North Korean nation-state actors affiliated with the Reconnaissance General Bureau RGB have been attributed to the JumpCloud hack following an operational security OPSEC blunder that exposed their actual IP address. Google-owned threat intelligence firm Mandiant attributed the activity to a threa...

Critical Zero-Days in Atera Windows Installers Expose Users to Privilege Escalation Attacks

Zero-day vulnerabilities in Windows Installers for the Atera remote monitoring and management software could act as a springboard to launch privilege escalation attacks. The flaws, discovered by Mandiant on February 28, 2023, have been assigned the identifiers CVE-2023-26077 and CVE-2023-26078,...

Malicious USB Drives Targeting Global Targets with SOGU and SNOWYDRIVE Malware

Cyber attacks using infected USB infection drives as an initial access vector have witnessed a three-fold increase in the first half of 2023, That's according to new findings from Mandiant, which detailed two such campaigns – SOGU and SNOWYDRIVE – targeting both public and private sector entities...

Barracuda Urges Replacing — Not Patching — Its Email Security Gateways

Its not often that a zero-day vulnerability causes a network security vendor to urge customers to physically remove and decommission an entire line of affected hardware -- as opposed to just applying software updates. But experts say that is exactly what transpired this week with Barracuda...

CVE-2023-2868: Total Compromise of Physical Barracuda ESG Appliances

Rapid7 incident response teams are investigating exploitation of physical Barracuda Networks Email Security Gateway ESG appliances dating back to at least November 2022. As of June 6, 2023, as part of an ongoing product incident response, Barracuda is urging ESG customers to immediately...

CVE-2023-2868

A remote command injection vulnerability exists in the Barracuda Email Security Gateway appliance form factor only product effecting versions 5.1.3.001-9.2.0.006. The vulnerability arises out of a failure to comprehensively sanitize the processing of .tar file tape archives. The vulnerability ste...

New 'MichaelKors' Ransomware-as-a-Service Targeting Linux and VMware ESXi Systems

A new ransomware-as-service RaaS operation called MichaelKors has become the latest file-encrypting malware to target Linux and VMware ESXi systems as of April 2023. The development points to cybercriminal actors increasingly setting their eyes on the ESXi, cybersecurity firm CrowdStrike said in ...

SolarWinds Detected Six Months Earlier

New reporting from Wired reveals that the Department of Justice detected the SolarWinds attack six months before Mandiant detected it in December 2020, but didnt realize what it detected--and so ignored it. WIRED can now confirm that the operation was actually discovered by the DOJ six months...