Inside XWorm: Malware Analysts Decode the Stealthy Tactics of the Latest Variant

XWorm is a relatively new representative of the remote access trojan cohort that has already earned its spot among the most persistent threats across the globe. Since 2022, when it was first observed by researchers, it has undergone a number of major updates that have significantly enhanced its...

CISA Releases Malware Analysis Reports on Barracuda Backdoors

Updated September 7, 2023 CISA has published an additional malware analysis report associated with malicious Barracuda activity. The report provides analysis on the following malware samples: SUBMARINE – SUBMARINE is a backdoor that exploits a vulnerability on the target environment where the...

CISA and International Partners Release Malware Analysis Report on Infamous Chisel Mobile Malware

Today, the United Kingdom’s National Cyber Security Centre NCSC-UK, the United States’ Cybersecurity and Infrastructure Security Agency CISA, National Security Agency NSA, and Federal Bureau of Investigation FBI, New Zealand’s National Cyber Security Centre NCSC-NZ, the Canadian Centre for Cyber...

Thousands of Android Malware Apps Using Stealthy APK Compression to Evade Detection

Threat actors are using Android Package APK files with unknown or unsupported compression methods to elude malware analysis. That's according to findings from Zimperium, which found 3,300 artifacts leveraging such compression algorithms in the wild. 71 of the identified samples can be loaded on t...

MISP Cross-Site Scripting Vulnerability

MISP is an open source software solution. The product is used to collect, store, distribute and share cybersecurity metrics and has features such as threat cybersecurity event analysis and malware analysis. MISP version 2.4174 suffers from a cross-site scripting vulnerability that stems from the...

Threat Roundup for June 30 to July 7

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between June 30 and July 7. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

MISP 安全漏洞

MISP is an open source software solution. The product is used to collect, store, distribute, and share cybersecurity metrics and has features such as threat cybersecurity event analysis and malware analysis. A security vulnerability exists in MISP version 2.4.172, which stems from the incorrect...

Video: How Talos’ open-source tools can assist anyone looking to improve their security resilience

Cisco Talos remit is not just to protect our customers from cyber attacks. We also strive to make the internet a better and safer place. Thats one of the reasons why we create and release open-source software, for free. These tools are available to anyone in the security community to enhance thei...

New Mystic Stealer Malware Targets 40 Web Browsers and 70 Browser Extensions

A new information-stealing malware called Mystic Stealer has been found to steal data from about 40 different web browsers and over 70 web browser extensions. First advertised on April 25, 2023, for $150 per month, the malware also targets cryptocurrency wallets, Steam, and Telegram, and employs...

C2-Hunter - Extract C2 Traffic

C2-Hunter C2-Hunter is a program designed for malware analysts to extract Command and Control C2 traffic from malwares in real-time. The program uses a unique approach by hooking into win32 connections APIs. With C2-Hunter, malware analysts can now intercept and analyze communication in real-time...

Feeding Gophers to Ghidra

Feeding Gophers to Ghidra By Trellix · June 6, 2023 This blog was written by Max Kersten The scripts discussed in the article are based on the magnificent work ofDorka Palotay from CUJOai. Golang malware is becoming increasingly prevalent, requiring analysts to know how to effectively analyze the...

Threat Roundup for May 19 to May 26

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between May 19 and May 26. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

The nature of cyberincidents in 2022

Kaspersky offers various services to organizations that have been targeted by cyberattackers, such as incident response, digital forensics, and malware analysis. In our annual incident response report, we share information about the attacks that we investigated during the reporting period. Data...

Trucking on with DotDumper

Trucking on with DotDumper By Max Kersten · May 11, 2023 On the 11th of August 2022, the initial public version of DotDumper was released. A brief refresh: DotDumper is an open-source automatic unpacker for DotNet Framework targeting files. This blog marks a public update which supports unmanaged...

How to Set Up a Threat Hunting and Threat Intelligence Program

Threat hunting is an essential component of your cybersecurity strategy. Whether you're getting started or in an advanced state, this article will help you ramp up your threat intelligence program. What is Threat Hunting? The cybersecurity industry is shifting from a reactive to a proactive...

PortEx - Java Library To Analyse Portable Executable Files With A Special Focus On Malware Analysis And PE Malformation Robustness

PortEx is a Java library for static malware analysis of Portable Executable files. Its focus is on PE malformation robustness, and anomaly detection. PortEx is written in Java and Scala, and targeted at Java applications. Features Reading header information from: MSDOS Header, COFF File Header,...

APT28 Exploits Known Vulnerability To Carry Out Reconnaissance and Deploy Malware on Cisco Routers

NCSClink is external, NSA, CISA, and FBI have released a joint advisory to provide details of tactics, techniques, and procedures TTPs associated with APT28's exploitation of Cisco routers in 2021. By exploiting the vulnerability CVE-2017-6742link is external, APT28 used infrastructure to...

Genesis Market No Longer Feeds The Evil Cookie Monster

Genesis Market No Longer Feeds The Evil Cookie Monster By John Fokker, Ernesto Fernández Provecho and Max Kersten · April 05, 2023 We would like to thank Steen Pedersen and Mo Cashman for their remediation advice. On the 4th and the 5th of April, a law enforcement taskforce spanning agencies acro...

A Royal Analysis of Royal Ransom

A Royal Analysis of Royal Ransom By Alexandre Mundo, and Max Kersten · April 3, 2023 We would like to thank Advanced Cyber Services team within Trellix Professional Services for the incident response-related data. Emerging in early 2022 as a private group which used multiple strains of ransomware...

Selecting the right MSSP: Guidelines for making an objective decision

Managed Security Service Providers MSSPs have become an increasingly popular choice for organizations nowadays following the trend to outsource security services. Meanwhile, with the growing number of MSSPs in the market, it can be difficult for organizations to determine which provider will fit ...