Credit card skimmer masquerades as favicon

Malware authors are notorious for their deceptive attempts at staying one step ahead of defenders. As their schemes get exposed, they always need to go back to their bag of tricks to pull out a new one. When it comes to online credit card skimmers, we have already seen a number of evasion...

kernel: offset2lib allows for the stack guard page to be jumped over

A flaw was found in the Linux kernel's implementation of mapping ELF PIE binary loading to allow evasion of the stack-guard page protection mechanisms that intend to mitigate this behavior. This issue appears to be limited to i386 based systems...

U.S. Offers Rewards up to $5 Million for Information on North Korean Hackers

The United States agencies today released a joint advisory warning the world about the 'significant cyber threat' posed by North Korean state-sponsored hackers to the global banking and financial institutions. Besides a summary of recent cyberattacks attributed to North Korean hackers, the...

Dark_Nexus Botnet Compromises Thousands of ASUS, D-Link Routers

A new botnet has compromised hundreds of ASUS, D-Link and Dasan Zhone routers over the past three months, as well as Internet of Things IoT devices like video recorders and thermal cameras. The botnet, called darknexus based on a string it prints in its banner, uses processes similar to previous...

Spearphishing Campaign Exploits COVID-19 To Spread Lokibot Infostealer

Researchers have discovered threat actors once again capitalizing on the COVID-19 pandemic and current attention on the World Health Organization WHO with a new spearphishing email designed to spread the LokiBot trojan sent using the WHO trademark as a lure. Researchers at FortiGuard Labs on Marc...

Full Operational Shutdown—another cybercrime case from the Microsoft Detection and Response Team

Recently, we published our first case report 001: …And Then There Were Six by the Microsoft Detection and Response Team DART. We received significant positive response from our customers and colleagues and our team has been getting inquiries asking for more reports. We are glad to share the DART...

Attack matrix for Kubernetes

Kubernetes, the most popular container orchestration system and one of the fastest-growing projects in the history of open source, becomes a significant part of many companies’ compute stack. The flexibility and scalability of containers encourage many developers to move their workloads to...

Threat Analysis Unit (TAU) Threat Intelligence Notification: CoronaVirus Ransomware

"CoronaVirus" Ransomware has been found distributed via a phishing website. The malicious website will distribute a trojan downloader which then leads to downloading additional malicious payloads: the Kpot InfoStealer and Coronavirus Ransomware. "CoronaVirus" Ransomware will perform the deletion ...

What’s Coming in 2020: An RSA Recap

VMWare Carbon Black recently published our Outlook 2020 Threat Report largely fueled by the work of our amazing Threat Analysis Unit. Greg Foss @Heinzarelli and Andrew Costis @0x4143 did some in-depth research on Malware samples seen in 2019. As part of RSA, Greg and I had the chance to present o...

CyberArk PSMP 10.9.1 - Policy Restriction Bypass

CyberArk PSMP 10.9.1 - Policy Restriction Bypass Exploit Title: CyberArk PSMP 10.9.1 - Policy Restriction Bypass Google Dork: NA Date: 2020-02-25 Exploit Author: LAHBAL Said Vendor Homepage: https://www.cyberark.com/ Software Link: https://www.cyberark.com/ Version: PSMP = 11.1 Prerequisites Poli...

CyberArk PSMP 10.9.1 - Policy Restriction Bypass

Exploit Title: CyberArk PSMP 10.9.1 - Policy Restriction Bypass Google Dork: NA Date: 2020-02-25 Exploit Author: LAHBAL Said Vendor Homepage: https://www.cyberark.com/ Software Link: https://www.cyberark.com/ Version: PSMP = 11.1 Prerequisites Policy allows us to overwrite PSMRemoteMachine...

2019: Looking Back at Ransomware

In security, 2016 was “The Year of Ransomware.” Since then, ransomware has only gotten more pervasive, costing billions in damages. In that vein, 2019 could have been referred to as “The Year of Ransoming Governments.” More than 70 state and local governments across the U.S. suffered ransomware...

New TrickBot Variant Updates Anti-Analysis Tricks

Researchers uncovered a new variant of the TrickBot malware that relies on new anti-analysis techniques, an updated method for downloading its payload as well as adopting minor changes to the integration of its components. TrickBot is a module-based malware that, while first identified as a banki...

2019: Looking Back at Malware

In 2019, attacker behavior evolved, becoming more evasive. The most common behaviors seen across all attack data—mapped to the MITRE ATT&CK™ Framework—were: Software Packing for Defense Evasion, Hidden Windows for Defense Evasion, Standard Application Layer Protocol for Command and Control C2,...

Variant of Paradise Ransomware Targets Office IQY Files

A new variant of the Paradise ransomware attacks rarely-targeted Microsoft Office Excel IQY files, providing a new and relatively inobtrusive way to infiltrate and hijack an organization’s network, researchers have found. Lastline Labs’ James Haughom discovered the variant in December in a spam...

Variant of Paradise Ransomware Targets Office IQY Files

A new variant of the Paradise ransomware attacks rarely-targeted Microsoft Office Excel IQY files, providing a new and relatively inobtrusive way to infiltrate and hijack an organization’s network, researchers have found. Lastline Labs’ James Haughom discovered the variant in December in a spam...

HTTP Asynchronous Reverse Shell - Asynchronous Reverse Shell Using The HTTP Protocol

Today there are many ways to create a reverse shell in order to be able to remotely control a machine through a firewall. Indeed, outgoing connections are not always filtered. However security software and hardware IPS, IDS, Proxy, AV, EDR... are more and more powerful and can detect these attack...

RSAC 2020: Lack of Machine Learning Laws Open Doors To Attacks

SAN FRANCISCO – As companies quickly adopt machine learning systems, cybercriminals are close behind scheming to compromise them. That worries legal experts who say a lack of laws swing open the door for bad guys to attack systems. During a panel session at RSA Conference 2020 this week, Cristin...

Introduction and Application of Model Hacking

ARCHIVED STORY Introduction and Application of Model Hacking By Steve Povolny · Febraury 19, 2020 Catherine Huang, Ph.D., and Shivangee Trivedi contributed to this blog. The term “Adversarial Machine Learning” AML is a mouthful! The term describes a research field regarding the study and design o...

Introduction and Application of Model Hacking

ARCHIVED STORY Introduction and Application of Model Hacking By Steve Povolny · Febraury 19, 2020 Catherine Huang, Ph.D., and Shivangee Trivedi contributed to this blog. The term “Adversarial Machine Learning” AML is a mouthful! The term describes a research field regarding the study and design o...