Weekly Threat Digest: 7 – 13 March 2022

For a detailed threat digest, download the pdf file here Published Vulnerabilities Interesting Vulnerabilities Active Threat Groups Targeted Countries Targeted Industries ATT&CK TTPs 538 16 3 42 19 89 The second week of March 2022 witnessed the discovery of 538 vulnerabilities out of which 16...

Mustang Panda targets European diplomats using enhanced PlugX backdoor

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here Mustang Panda, a Chinese cyberespionage group, has been targeting European diplomats with a revised version of the PlugX backdoor in an ongoing campaign linked to the ongoing conflict in Ukraine. The group, also known as...

RangnarLocker Ransomware hits Critical Infrastructure Compromising 50+ Organizations

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here The Federal Bureau of Investigation FBI has released an alert on Ragnarlocker campaign that has affected nearly 52 organizations encompassing 10 critical infrastructure sectors, including entities in significant manufacturing,...

Chinese state-sponsored threat group APT41 targets U.S. critical organizations using two Zero-Days

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here A China state-sponsored threat group known as APT41 is observed compromising at least six U.S. state governments networks in a threat campaign beginning from May 2021. APT41 is a well-known Chinese state-sponsored espionage...

Weekly Threat Digest: 28 February – 6 March 2022

For a detailed threat digest, download the pdf file here Published Vulnerabilities Interesting Vulnerabilities Targeted Countries Targeted Industries ATT&CK TTPs 381 19 3 5 22 The first week of March 2022 witnessed the discovery of 381 vulnerabilities out of which 19 garnered the attention of...

Thousands of GitLab instances impacted by multiple security flaws

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here Multiple security vulnerabilities have been discovered by researchers in GitLab, an open-source DevOps software. Some of these flaws could allow an unauthenticated remote attacker to retrieve all information linked to GitLab...

Zero-day vulnerability in Zimbra Servers being exploited-in-the-wild

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here A zero-day cross-site scripting XSS vulnerability has been discovered in the Zimbra email software. A threat actor is taking advantage of this issue by launching a targeted spear-phishing attack named Operation EmailThief. Two...

New Sandworm Malware Cyclops Blink Replaces VPNFilter

Summary The Sandworm actor, which the United Kingdom and the United States have previously attributed to the Russian GRU, has replaced the exposed VPNFilter malware with a new more advanced framework. The United Kingdom's UK National Cyber Security Centre NCSC, the Cybersecurity and Infrastructur...

Millions of WordPress site backups at risk due to a vulnerability in UpdraftPlus plugin

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here UpdraftPlus is a backup tool for WordPress files, databases, plug-ins, and themes that allows you to create, restore, and migrate backups. UpdraftPlus is utilized by more than three million WordPress websites, according to i...

Apache Cassandra database affected by easily exploitable Remote code execution

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here Apache Cassandra is a database software being used by many companies such as Uber, Facebook, Netflix, Twitter, Instagram, Spotify, Instacart, Reddit, and Accenture. A remote code execution flaw CVE-2021-44521 is reported whi...

Microsoft Patch Tuesday addresses a zero-day vulnerability in Windows Kernel

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here Microsoft addressed 51 vulnerabilities in the February 2022 patch Tuesday release, one of which was classified as a zero-day vulnerability. A remote attacker could exploit some of these vulnerabilities to gain control of a...

ACTINIUM targets Ukrainian organizations

The Microsoft Threat Intelligence Center MSTIC is sharing information on a threat group named ACTINIUM, which has been operational for almost a decade and has consistently pursued access to organizations in Ukraine or entities related to Ukrainian affairs. MSTIC previously tracked ACTINIUM activi...

New rootkit iLOBleed targets HP servers

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. The rootkit known as iLOBleed has been active since 2020 that is targeting Hewlett-Packard HP enterprises Integrated Lights-Out iLO server management technology to delete data from infected machines and corrupt firmware. The...

Microsoft released patch for actively exploited spoofing vulnerability

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here. Microsoft AppX has a spoofing vulnerability that has been assigned CVE-2021-43890. Attackers are taking advantage of this critical vulnerability by deploying well-known malwares such as Emotet, Trickbot, and Bazaloader. Thi...

Cerber targeting organizations with publicly available exploits

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. Cerber, ransomware that mysteriously vanished in 2019, has reappeared with a new encryption. The new cerber includes fresh source code and makes use of the new library Crypto+++, whereas the previous form made use of Windows...

APT Actors Exploiting Newly Identified Vulnerability in ManageEngine ADSelfService Plus

Summary This Joint Cybersecurity Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT &CK® framework, Version 8. See the ATT&CK for Enterprise for referenced threat actor tactics and for techniques. This joint advisory is the result of analytic efforts between the...

VECTR - A Tool That Facilitates Tracking Of Your Red And Blue Team Testing Activities To Measure Detection And Prevention Capabilities Across Different Attack Scenarios

VECTR documentation can be found here: https://docs.vectr.io VECTR Community Discord Channel: https://discord.gg/2FRd8zf728 VECTR is a tool that facilitates tracking of your red and blue team testing activities to measure detection and prevention capabilities across different attack scenarios...

Operation ‘Harvest’: A Deep Dive into a Long-term Campaign

ARCHIVED STORY Operation ‘Harvest’: A Deep Dive into a Long-term Campaign By Christiaan Beek · September 14, 2021 A special thanks to our Professional Services’ IR team, ShadowServer, for historical context on C2 domains, and Thomas Roccia/Leandro Velasco for malware analysis support. Executive...

Operation ‘Harvest’: A Deep Dive into a Long-term Campaign

ARCHIVED STORY Operation ‘Harvest’: A Deep Dive into a Long-term Campaign By Christiaan Beek · September 14, 2021 A special thanks to our Professional Services’ IR team,ShadowServer, for historical context on C2 domains, and Thomas Roccia/Leandro Velasco for malware analysis support. Executive...

Talos Incident Response quarterly threat report — The top malware families and TTPs used in Q2 2021

By David Liebenberg and Caitlin Huey. Last quarter, ransomware was not the most dominant threat for the first time since we began compiling these reports. We theorized that this was due to a huge uptick in Microsoft Exchange exploitation, which temporarily became a primary focus for Cisco... This...