The Ransomware Killchain: How It Works, and How to Protect Your Systems

Much ado has been made by this very author on this very blog! about the incentives for attackers and defenders around ransomware. There is also a wealth of information on the internet about how to protect yourself from ransomware. One thing we want to avoid losing sight of, however, is just how w...

Medium: php-pear

Issue Overview: In ArchiveTar before 1.4.14, symlinks can refer to targets outside of the extracted archive, a different vulnerability than CVE-2020-36193. CVE-2021-32610 Affected Packages: php-pear Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section fo...

Zenitel AlphaCom XE Audio Server 11.2.3.10 Shell Upload

Exploit Title: AlphaWeb XE - Authenticated Insecure File Upload leading to RCE CVE-2021-40845 Date: 09/09/2021 Exploit Author: Ricardo Ruiz @ricardojoserf Vendor website: https://www.zenitel.com/ Product website: https://wiki.zenitel.com/wiki/AlphaWeb CVE: CVE-2021-40845...

2021’s Most Dangerous Software Weaknesses

Mitre Corp. recently updated its list of the top 25 most dangerous software bugs, and it’s little surprise that a number of them have been on that list for years. The Common Weakness Enumeration CWE list represents vulnerabilities that have been widely known for years, yet are still being coded...

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...

Important: glib2

Issue Overview: An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function gbytesnew has an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow could potentially lead to memory corruption. CVE-2021-27219 Affected...

Holy Grail of Security: Answer to ‘Did X Work?’ – Podcast

Get a glass. Pour in one shot of VERIS, aka the Vocabulary for Event Recording and Incident Sharing engine that generates Verizon’s funny, well-written, incredibly useful, annual Database Investigations Report DBIR. Next, add a shot of MITRE ATT&CK: the curated knowledge repository of reported...

Common Vulnerabilities and Exposures Explained

What is a Vulnerability? A weakness can be characterized as a shortcoming that can be misused by a digital assailant to get through your security and gain unauthorized admittance to classified documents. Defects will ensure that aggressors run programs, acquire section admittance to your document...

Optimize Your Incident Response Planning with the MITRE Framework

Threat research experts discuss the evolving landscape and how the MITRE ATT framework can help optimize incident response across your organization...

Tenacity – An Adversary Emulation Tool for Persistence

Persistence is one of the more sought-after techniques of an attacker or adversary. Persistence is achieved through a set of tactics or techniques that adversaries use to maintain their foothold on compromised systems across restarts, changed credentials, and other interruptions that could cut of...

Attack AI systems in Machine Learning Evasion Competition

Today, we are launching MLSEC.IO, an educational Machine Learning Security Evasion Competition MLSEC for the AI and security communities to exercise their muscle to attack critical AI systems in a realistic setting. Hosted and sponsored by Microsoft, alongside NVIDIA, CUJO AI, VM-Ray, and MRG...

Awesome-Red-Teaming

This is an offensive tool for Red Teaming. It is a list of resources for anyone wishing to learn about Red Teaming, including initial access, execution, persistence, privilege escalation, defense evasion, credential access, discovery, lateral movement, collection, exfiltration, command and contro...

The evolution of a matrix: How ATT&CK for Containers was built

Note: The content of this post is being released jointly with the Center for Threat-Informed Defense. It is co-authored with Chris Ante and Matthew Bajzek. The Center post can be found here. As containers become a major part of many organizations’ IT workloads, it becomes crucial to consider the...

The evolution of a matrix: How ATT&CK for Containers was built

Note: The content of this post is being released jointly with the Center for Threat-Informed Defense. It is co-authored with Chris Ante and Matthew Bajzek. The Center post can be found here. As containers become a major part of many organizations’ IT workloads, it becomes crucial to consider the...

Chinese Gas Pipeline Intrusion Campaign, 2011 to 2013

Summary This Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT &CK® framework, Version 9. See the ATT&CK for Enterprise for all referenced threat actor tactics and techniques. Note: CISA released technical information, including indicators of compromise IOCs,...

Managed Detection and Response in Q4 2020

Download full report PDF As cyberattacks become more sophisticated, and security solutions require more resources to analyze the huge amount of data gathered every day, many organizations feel the need for advanced security services that can deal with this growing complexity in real time, 24/7...

2021 CWE Top 25 Most Dangerous Software Weaknesses

The Homeland Security Systems Engineering and Development Institute, sponsored by the Department of Homeland Security and operated by MITRE, has released the 2021 Common Weakness Enumeration CWE Top 25 Most Dangerous Software Weaknesses list. The Top 25 uses data from the National Vulnerability...

Tactics, Techniques, and Procedures of Indicted APT40 Actors Associated with China’s MSS Hainan State Security Department

Summary This Joint Cybersecurity Advisory was written by the Federal Bureau of Investigation FBI and the Cybersecurity and Infrastructure Security Agency CISA to provide information on a Chinese Advanced Persistent Threat APT group known in open-source reporting as APT40. This advisory provides...

Important: libX11

Issue Overview: A missing validation flaw was found in libX11. This flaw allows an attacker to inject X11 protocol commands on X clients, and in some cases, also bypass, authenticate via injection of control characters, or potentially execute arbitrary code with permissions of the application...