Lazarus APT Hackers are now using BMP images to hide RAT malware

A spear-phishing attack operated by a North Korean threat actor targeting its southern counterpart has been found to conceal its malicious code within a bitmap .BMP image file to drop a remote access trojan RAT capable of stealing sensitive information. Attributing the attack to the Lazarus Group...

Vulnerability fixed in x.org

A vulnerability has been fixed in X.org. A malicious person could exploit the vulnerability to appropriate elevated privileges within the X server and thus potentially execute arbitrary code with application privileges. Under usual circumstances, an X server runs with limited permissions. -= Debi...

The Storybook Approach to MITRE ATT&CK

Read this year’s MITRE Engenuity ATT Evaluations story, which simulates techniques associated with notorious threat groups Carbanak and FIN7 to test solutions' ability to detect and stop APT & Targeted Attacks...

Check Your Pulse: Suspected APT Actors Leverage Authentication Bypass Techniques and Pulse Secure Zero-Day

Executive Summary Mandiant recently responded to multiple security incidents involving compromises of Pulse Secure VPN appliances. This blog post examines multiple, related techniques for bypassing single and multifactor authentication on Pulse Secure VPN devices, persisting across upgrades, and...

Lazarus APT conceals malicious code within BMP image to drop its RAT

This blog was authored by Hossein Jazi Lazarus APT is one of the most sophisticated North Korean Threat Actors that has been active since at least 2009. This actor is known to target the U.S., South Korea, Japan and several other countries. In one of their most recent campaigns Lazarus used a...

Attackers Target ProxyLogon Exploit to Install Cryptojacker

Cryptojacking can be added to the list of threats that face any unpatched Exchange servers that remain vulnerable to the now-infamous ProxyLogon exploit, new research has found. Researchers discovered the threat actors using Exchange servers compromised using the highly publicized exploit...

Detecting Post-Compromise Threat Activity Using the CHIRP IOC Detection Tool

Summary Updated April 15, 2021: The U.S. Government attributes this activity to the Russian Foreign Intelligence Service SVR. Additional information may be found in astatement from the White House. For more information on SolarWinds-related activity, go to...

Detecting Post-Compromise Threat Activity in Microsoft Cloud Environments

Summary This Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT &CK® framework. See the ATT&CK for Enterprise for all referenced threat actor tactics and techniques. Updated April 15, 2021: The U.S. Government attributes this activity to the Russian Foreign...

Advanced Persistent Threat Compromise of Government Agencies, Critical Infrastructure, and Private Sector Organizations

Summary Updated April 15, 2021: The U.S. Government attributes this activity to the Russian Foreign Intelligence Service SVR. Additional information may be found in astatement from the White House. For more information on SolarWinds-related activity, go to...

Vulnerability fixed in Tomcat

Two vulnerabilities have been discovered in the Tomcat servlet and the JSP engine, which could lead to information disclosure or denial of service. -= Debian =- Debian has made updates to tomcat9 available for Debian 10.0 Buster to address the vulnerabilities. You can install the custom packages ...

Threat Actors Targeting Cybersecurity Researchers

Google and Microsoft recently published reports on advanced persistent threat APT actors targeting cybersecurity researchers. The APT actors are using fake social media profiles and legitimate-looking websites to lure security researchers into visiting malicious websites to steal information,...

Zero-day vulnerability in Desktop Window Manager (CVE-2021-28310) used in the wild

While analyzing the CVE-2021-1732 exploit originally discovered by the DBAPPSecurity Threat Intelligence Center and used by the BITTER APT group, we discovered another zero-day exploit we believe is linked to the same actor. We reported this new exploit to Microsoft in February and after...

CVE-2021-28310

Win32k Elevation of Privilege Vulnerability Recent assessments: ccondon-r7 at April 13, 2021 8:41pm UTC reported: Ah, another day, another Win32k privilege escalation used in the wild. Securelist has a good write-up on this bug, which they discovered because it was used in a BITTER APT zero-day...

Iron Tiger APT Updates Toolkit With Evolved SysUpdate Malware

This blog details how Iron Tiger threat actors have updated their toolkit with an updated SysUpdate malware variant that now uses five files in its infection routine instead of the usual three...

Attackers Targeting Fortinet Devices and SAP Applications

The following blog was co-authored by Caitlin Condon and Bob Rudis, also known in his own words as “some caveman from Maine.” Last week, the U.S. Cybersecurity and Infrastructure Security Agency CISA and the FBI published a joint alert to warn users that APT threat actors were likely exploiting...

Hackers Exploit Unpatched VPNs to Install Ransomware on Industrial Targets

Unpatched Fortinet VPN devices are being targeted in a series of attacks against industrial enterprises in Europe to deploy a new strain of ransomware called "Cring" inside corporate networks. At least one of the hacking incidents led to the temporary shutdown of a production site, said...

Chinese APT group spying on Vietnam military with FoundCore RAT

By Deeba Ahmed According to Kaspersky researchers, Cycldek, a Chinese APT group is targeting Vietnam's military establishment with FoundCore RAT. This is a post from HackRead.com Read the original post: Chinese APT group spying on Vietnam military with FoundCore RAT...

Hackers exploiting critical vulnerabilities in Fortinet VPN – FBI-CISA

By Deeba Ahmed According to CISA and the FBI, advanced persistent threat APT nation-state actors are exploiting known vulnerabilities in the Fortinet FortiOS. This is a post from HackRead.com Read the original post: Hackers exploiting critical vulnerabilities in Fortinet VPN - FBI-CISA...

FBI-CISA Joint Advisory on Exploitation of Fortinet FortiOS Vulnerabilities

The Federal Bureau of Investigation FBI and CISA have released a Joint Cybersecurity Advisory CSA to warn users and administrators of the likelihood that advanced persistent threat APT actors are actively exploiting known Fortinet FortiOS vulnerabilities CVE-2018-13379, CVE-2020-12812, and...

North Korean APT Gears Up to Target Security Researchers

The same North Korean threat actors that targeted security researchers in January appear to be readying a new campaign using a fake company and associated social-media accounts that aim to lure security professionals into another cyber-espionage trap. Google discovered the site as well as Twitter...