Pantagrule - Large Hashcat Rulesets Generated From Real-World Compromised Passwords

gargantuan hashcat rulesets generated from compromised passwords Project maintenance warning : This project is deemed completed. No pull requests or changes will be made to this project in the future unless they are actual bugs or migrations to allow these rules to work with newer versions of...

AuraBorealisApp - Do You Know What's In Your Python Packages? A Tool For Visualizing Python Package Registry Security Audit Data

AuraBorealis is a web application for visualizing anomalous and potentially malicious code in Python package registries. It uses security audit data produced by scanning the Python Package Index PyPI via Aura, a static analysis designed for large scale security auditing of Python packages. The...

New APT Hacking Group Targets Microsoft IIS Servers with ASP.NET Exploits

A new highly capable and persistent threat actor has been targeting major high-profile public and private entities in the U.S. as part of a series of targeted cyber intrusion attacks by exploiting internet-facing Microsoft Internet Information Services IIS servers to infiltrate their networks...

Crimes of Opportunity: Increasing Frequency of Low Sophistication Operational Technology Compromises

Attacks on control processes supported by operational technology OT are often perceived as necessarily complex. This is because disrupting or modifying a control process to cause a predictable effect is often quite difficult and can require a lot of time and resources. However, Mandiant Threat...

CISA Emergency Directive 21-03: VPN Vulnerabilities Actively Exploited

On April 20, 2021, the Department of Homeland Security Cybersecurity and Infrastructure Security Agency CISA released an alert on the exploitation of Pulse Connect Secure Vulnerabilities with Alert AA21-110A: Exploitation of Pulse Connect Secure Vulnerabilities, as well as Emergency Directive ED...

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...

Information disclosure

In Open Enclave before version 0.12.0, an information disclosure vulnerability exists when an enclave application using the syscalls provided by the sockets.edl is loaded by a malicious host application. An attacker who successfully exploited the vulnerability could read privileged data from the...

A week in security (August 3 – 9)

Last week on Malwarebytes Labs, on our Lock and Code podcast, we talked about identity and access management technology. We also wrote about business email compromises to score big, discussed how the Data Accountability and Transparency Act of 2020 looks beyond consent, and we analyzed how the...

Anti-NATO Disinformation Campaign Leveraged CMS Compromises

Researchers have uncovered a widespread influence campaign that aims to discredit the Northern Atlantic Treaty Organization NATO, an intergovernmental military alliance between 30 North American and European countries. According to new research from FireEye, the campaign has been ongoing since at...

Obscured by Clouds: Insights into Office 365 Attacks and How Mandiant Managed Defense Investigates

With Business Email Compromises BECs showing no signs of slowing down, it is becoming increasingly important for security analysts to understand Office 365 O365 breaches and how to properly investigate them. This blog post is for those who have yet to dip their toes into the waters of an O365 BEC...

'Ghostwriter' Influence Campaign: Unknown Actors Leverage Website Compromises and Fabricated Content to Push Narratives Aligned With Russian Security Interests

Mandiant Threat Intelligence has tied together several information operations that we assess with moderate confidence comprise part of a broader influence campaign—ongoing since at least March 2017—aligned with Russian security interests. The operations have primarily targeted audiences in...

ACSC Releases Advisory on Cyber Campaign using Copy-Paste Compromises

The Australian Cyber Security Centre ACSC has released an advisory regarding an ongoing cyber campaign involving “copy-paste compromises” targeting Australian government and commercial networks. According to the advisory, a sophisticated malicious cyber actor is carrying out the campaign using...

This Week in Security News: Intel Says ‘Tiger Lake’ Will Drown Control-Flow Malware and New Phishing Campaign Targeting Office 365 Exploits Brand Names

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. This week, learn about how the next generation of Intel mobile processors will include malware protection built into the chip. Also, read about a new...

Amazon Linux 2 : mariadb (ALAS-2019-1292)

Vulnerability in the MySQL Server component of Oracle MySQL subcomponent: Server: Connection Handling. Supported versions that are affected are 5.6.42 and prior, 5.7.24 and prior and 8.0.13 and prior. Difficult to exploit vulnerability allows low privileged attacker with access to the physical...

Verizon Data Breach Report: Espionage, C-Suite and Cloud Attacks on the Rise

Corporate espionage is on the rise as a motivation for cyberattacks, with a full quarter of all network compromises associated with reconnaissance and data exfiltration in the last 12 months. However, financially motivated attacks aren’t going anywhere; social-engineering attacks aimed at stealin...

Mass WordPress compromises redirect to tech support scams

Content Management Systems CMSes such as WordPress, Drupal, or Joomla are under a constant barrage of fire. Earlier this year, we detailed several waves of attacks against Drupal, also known as Drupalgeddon, pushing browser-based miners and various social engineering threats. During the past few...

Partner Perspectives: Containing and Recovering from Incidents with the Help of Minerva Labs and Carbon Black

Lenny Zeltser is a VP of Products at Minerva Labs, as well as an author and instructor at SANS Institute. Despite their efforts to prevent intrusions, enterprises can still face large-scale compromises. When organizations discover numerous endpoints infected with malicious code, how can responder...

BACKSWING - Pulling a BADRABBIT Out of a Hat

Executive Summary On Oct. 24, 2017, coordinated strategic web compromises started to distribute BADRABBIT ransomware to unwitting users. FireEye appliances detected the download attempts and blocked our user base from infection. During our investigation into the activity, FireEye identified a...

BACKSWING - Pulling a BADRABBIT Out of a Hat

Executive Summary On Oct. 24, 2017, coordinated strategic web compromises started to distribute BADRABBIT ransomware to unwitting users. FireEye appliances detected the download attempts and blocked our user base from infection. During our investigation into the activity, FireEye identified a...

October 24, 2017 – Morning Cyber Coffee Headlines – “Niagara Falls” Edition

Good morning! Sit with Carbon Black this morning over a cup of coffee or tea and browse a few industry headlines to get the day started. We’ve got just enough information below to get you through that first cup…enjoy! October 24, 2017 - Headlines Carbon Black in the News: Putting the P, D, and R...