Emotet Malware Makes a Comeback with New Evasion Techniques

The Emotet malware operation has continued to refine its tactics in an effort to fly under the radar, while also acting as a conduit for other dangerous malware such as Bumblebee and IcedID. Emotet, which officially reemerged in late 2021 following a coordinated takedown of its infrastructure by...

Massive Ad Fraud Scheme Targeted Over 11 Million Devices with 1,700 Spoofed Apps

Researchers have shut down an "expansive" ad fraud scheme that spoofed more than 1,700 applications from 120 publishers and impacted roughly 11 million devices. "VASTFLUX was a malvertising attack that injected malicious JavaScript code into digital ad creatives, allowing the fraudsters to stack...

Massive Ad Fraud Scheme Targeted Over 11 Million Devices with 1,700 Spoofed Apps

Researchers have shut down an "expansive" ad fraud scheme that spoofed more than 1,700 applications from 120 publishers and impacted roughly 11 million devices. "VASTFLUX was a malvertising attack that injected malicious JavaScript code into digital ad creatives, allowing the fraudsters to stack...

AVIator - Antivirus Evasion Project

AviAtor Ported to NETCore 5 with an updated UI AV|Ator About ://name AV : AntiVirus Ator : Is a swordsman, alchemist, scientist, magician, scholar, and engineer, with the ability to sometimes produce objects out of thin air https://en.wikipedia.org/wiki/Ator About ://purpose AV|Ator is a backdoor...

Cybercriminals Using Polyglot Files in Malware Distribution to Fly Under the Radar

Remote access trojans such as StrRAT and Ratty are being distributed as a combination of polyglot and malicious Java archive JAR files, once again highlighting how threat actors are continuously finding new ways to fly under the radar. "Attackers now use the polyglot technique to confuse security...

APT Topic Summary Report: Cisco Talos Year in Review 2022

State-sponsored or state-aligned advanced persistent threats APTs adapted to the changing geopolitical landscape in 2022. Cisco Talos observed several offensive cyber campaigns linked to several groups stemming from Russia, Iran, China, North Korea, and countries in the Indian subcontinent. These...

A New Emerging CatB Ransomware Using DLL Hijacking to Evade Detection

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary CatB is a ransomware that uses a technique called DLL hijacking to evade detection. It does this by injecting itself into the Microsoft Distributed Transaction Coordinator MSDTC service, a legitimate...

laZzzy - Shellcode Loader, Developed Using Different Open-Source Libraries, That Demonstrates Different Execution Techniques

laZzzy is a shellcode loader that demonstrates different execution techniques commonly employed by malware. laZzzy was developed using different open-source header-only libraries. Features Direct syscalls and native Nt functions not all functions but most Import Address Table IAT evasion Encrypte...

Ransom.Win64.AtomSilo MVID-2022-0666 Cryptography Logic Flaw

Discovery / credits: Malvuln John Page aka hyp3rlinx c 2022 Original source: https://malvuln.com/advisory/5559e9f5e1645f8554ea020a29a5a3ee.txt Contact: [email protected] Media: twitter.com/malvuln Backup media: infosec.exchange/@malvuln Threat: Ransom.Win64.AtomSilo Vulnerability: Crypto Logic...

Codecepticon - .NET Application That Allows You To Obfuscate C#, VBA/VB6 (Macros), And PowerShell Source Code

Codecepticon is a .NET application that allows you to obfuscate C, VBA/VB6 macros, and PowerShell source code, and is developed for offensive security engagements such as Red/Purple Teams. What separates Codecepticon from other obfuscators is that it targets the source code rather than the compil...

Electronic Sales Suppression Tools are cooking the books

When you see point of sale software in the news, its usually because the terminal has been compromised and is now stealing payment details used in the device. Insecure stores, whether compromised as part of an inside job or a phishing attack, are a big problem for both buyers and the store itself...

Pyramid - A Tool To Help Operate In EDRs' Blind Spots

What is it Pyramid is a set of Python scripts and module dependencies that can be used to evade EDRs. The main purpose of the tool is to perform offensive tasks by leveraging some Python evasion properties and looking as a legit Python application usage. This can be achieved because: 1. the Pytho...

All You Need to Know About Emotet in 2022

For 6 months, the infamous Emotet botnet has shown almost no activity, and now it's distributing malicious spam. Let's dive into details and discuss all you need to know about the notorious malware to combat it. Why is everyone scared of Emotet? Emotet is by far one of the most dangerous trojans...

Win32.Ransom.Conti MVID-2022-0662 Cryptography Logic Flaw

Discovery / credits: Malvuln John Page aka hyp3rlinx c 2022 Original source: https://malvuln.com/advisory/99e55ce93392068c970384ab24a0e13d.txt Contact: [email protected] Media: twitter.com/malvuln Backup media: infosec.exchange/@malvuln Threat: Win32.Ransom.Conti Vulnerability: Crypto Logic Fla...

DEV-0569 finds new ways to deliver Royal ransomware, various payloads

Recent activity from the threat actor that Microsoft tracks as DEV-0569, known to distribute various payloads, has led to the deployment of the Royal ransomware, which first emerged in September 2022 and is being distributed by multiple threat actors. Observed DEV-0569 attacks show a pattern of...

DEV-0569 finds new ways to deliver Royal ransomware, various payloads

Recent activity from the threat actor that Microsoft tracks as DEV-0569, known to distribute various payloads, has led to the deployment of the Royal ransomware, which first emerged in September 2022 and is being distributed by multiple threat actors. Observed DEV-0569 attacks show a pattern of...

Typhon Stealer back with new variant named Typhon Reborn

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Typhon Stealer, a malware who became widely known for its capabilities to steal crypto wallets, monitor keystrokes, and evade antivirus programs, became widely known in early August 2022. Soon after, the...

Cisco Secure Email Gateway Malware Detection Evasion Vulnerability

Cisco Secure Email Gateways, formerly known as Cisco Ironport Email Security Appliances, that are configured to detect malicious email attachments, can easily be circumvented. A remote attacker can leverage error tolerance and different MIME decoding capabilities of email clients, compared with t...

Cisco Secure Email Gateway Malware Detection Evasion

This report is being published within a coordinated disclosure procedure. The researcher has been in contact with the vendor but not received a satisfactory response within a given time frame. As the attack complexity is low and exploits have already been published by a third party there must be ...

Researchers Find Links b/w Black Basta Ransomware and FIN7 Hackers

A new analysis of tools put to use by the Black Basta ransomware operation has identified ties between the threat actor and the FIN7 aka Carbanak group. This link "could suggest either that Black Basta and FIN7 maintain a special relationship or that one or more individuals belong to both groups,...