Design/Logic Flaw

It was discovered that the getmodifiedconffiles function in backends/packaging-apt-dpkg.py allowed injecting modified package names in a manner that would confuse the dpkg1 call...

CVE-2021-32556 apport get_modified_conffiles() function command injection

It was discovered that the getmodifiedconffiles function in backends/packaging-apt-dpkg.py allowed injecting modified package names in a manner that would confuse the dpkg1 call...

Novel ‘Victory’ Backdoor Spotted in Chinese APT Campaign

An ongoing surveillance operation has been uncovered that targets a Southeast Asian government, researchers said – using a previously unknown espionage malware. According to Check Point Research, the attack involves spear-phishing emails with malicious Word documents to gain initial access, along...

A week in security (May 31 – June 6)

Last week on Malwarebytes Labs, we looked at an interesting trend in facial recognition technology—hint: its a slow fade, the latest ransomware attacks on JBS and Steamship Authority, Cobalt Strike, a Coronavirus phishing campaign, WhatsApp’s decision to not limit app functionalities for...

Experts Uncover Yet Another Chinese Spying Campaign Aimed at Southeast Asia

An ongoing cyber-espionage operation with suspected ties to China has been found targeting a Southeast Asian government to deploy spyware on Windows systems while staying under the radar for more than three years. "In this campaign, the attackers utilized the set of Microsoft Office exploits and...

Researchers Uncover Hacking Operations Targeting Government Entities in South Korea

A North Korean threat actor active since 2012 has been behind a new espionage campaign targeting high-profile government officials associated with its southern counterpart to install an Android and Windows backdoor for collecting sensitive information. Cybersecurity firm Malwarebytes attributed t...

Kimsuky APT continues to target South Korean government using AppleSeed backdoor

This blog post was authored by Hossein Jazi. The Kimsuky APT—also known as Thallium, Black Banshee, and Velvet Chollima—is a North Korean threat actor that has been active since 2012. The group conducts cyber espionage operations to target government entities mainly in South Korea. On December...

IT threat evolution Q1 2021

Targeted attacks Putting the A into APT In December, SolarWinds, a well-known IT managed services provider, fell victim to a sophisticated supply-chain attack. The companys Orion IT, a solution for monitoring and managing customers IT infrastructure, was compromised by threat actors. This resulte...

Talos Takes Ep. #55: How Transparent Tribe could evolve in the future

By Jon Munshaw. The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. We recently covered how the Transparent Tribe APT added another RAT to its arsenal. Where might they go from here? In...

FBI Update on Exploitation of Fortinet FortiOS Vulnerabilities

The Federal Bureau of Investigation FBI has released an FBI FLASH, APT Actors Exploiting Fortinet Vulnerabilities to Gain Access for Malicious Activity, which describes advanced persistent threat APT actors exploiting known Fortinet FortiOS vulnerabilities. APT actors may exploit these...

Weave Net clusters susceptible to MitM attacks via IPv6 rogue router advertisements

Impact An attacker able to run a process as root in a container is able to respond to DNS requests from the host and thereby insert themselves as a fake service. In a cluster with an IPv4 internal network, if IPv6 is not totally disabled on the host via ipv6.disable=1 on the kernel cmdline, it wi...

Re-Checking Your Pulse: Updates on Chinese APT Actors Compromising Pulse Secure VPN Devices

On April 20, 2021, Mandiant published detailed results of our investigations into compromised Pulse Secure devices by suspected Chinese espionage operators. This blog post is intended to provide an update on our findings, give additional recommendations to network defenders, and discuss potential...

CISA Publishes Eviction Guidance for Networks Affected by SolarWinds and AD/M365 Compromise

CISA has released an analysis report, AR21-134A Eviction Guidance for Networks Affected by the SolarWinds and Active Directory/M365 Compromise. The report provides detailed steps for affected organizations to evict the adversary from compromised on-premises and cloud environments. Additionally,...

Judge-Jury-and-Executable - A File System Forensics Analysis Scanner And Threat Hunting Tool

Features: Scan a mounted filesystem for threats right away Or gather a system baseline before an incident, for extra threat hunting ability Can be used before, during or after an incident For one to many workstations Scans the MFT, bypassing file permissions, file locks or OS file...

Operation TunnelSnake

Windows rootkits, especially those operating in kernel space, are pieces of malware infamous for their near absolute power in the operating system. Usually deployed as drivers, such implants have high privileges in the system, allowing them to intercept and potentially tamper with core I/O...

Pulse Secure VPNs Get a Fix for Critical Zero-Day Bugs

Pulse Secure has rushed a fix for a critical zero-day security vulnerability in its Connect Secure VPN devices, which has been exploited by nation-state actors to launch cyberattacks against U.S. defense, finance and government targets, as well as victims in Europe. Pulse Secure also patched thre...

PortDoor Espionage Malware Takes Aim at Russian Defense Sector

A previously undocumented backdoor malware, dubbed PortDoor, is being used by a probable Chinese advanced persistent threat actor APT to target the Russian defense sector, according to researchers. The Cybereason Nocturnus Team observed the cybercriminals specifically going after the Rubin Design...

CVE-2020-27350

APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0...

Chinese Hackers Attacking Military Organizations With New Backdoor

Bad actors with suspected ties to China have been behind a wide-ranging cyberespionage campaign targeting military organizations in Southeast Asia for nearly two years, according to new research. Attributing the attacks to a threat actor dubbed "Naikon APT," cybersecurity firm Bitdefender laid ou...

APT trends report Q1 2021

For four years, the Global Research and Analysis Team GReAT at Kaspersky has been publishing quarterly summaries of advanced persistent threat APT activity. The summaries are based on our threat intelligence research and provide a representative snapshot of what we have published and discussed in...