CVE-2021-45429

CVE-2021-45429 impacts the VirusTotal YARA core library (yr_set_configuration in yara/libyara/libyara.c) and can cause a denial of service via a buffer overflow. Public advisories (e.g., Ubuntu USN-7177-1, OSV entries, NVD/NSS translations) confirm the issue and reference vendor updates for affec...

CVE-2021-45429

A Buffer Overflow vulnerablity exists in VirusTotal YARA git commit: 605b2edf07ed8eb9a2c61ba22eb2e7c362f47ba7 via yrsetconfiguration in yara/libyara/libyara.c, which could cause a Denial of Service...

CVE-2021-45429

A Buffer Overflow vulnerablity exists in VirusTotal YARA git commit: 605b2edf07ed8eb9a2c61ba22eb2e7c362f47ba7 via yrsetconfiguration in yara/libyara/libyara.c, which could cause a Denial of Service...

PT-2022-12351

Name of the Vulnerable Software and Affected Versions VirusTotal YARA affected versions not specified Description A Buffer Overflow issue exists in VirusTotal YARA, specifically via yr set configuration in yara/libyara/libyara.c, which could cause a Denial of Service. Recommendations At the momen...

How Wazuh Can Improve Digital Security for Businesses

2021 was a year peppered by cyberattacks, with numerous data breaches happening. Not only that, but ransomware has also become a prominent player in the hackers' world. Now, more than ever, it's important for enterprises to step up cybersecurity measures. They can do this through several pieces o...

VirusTotal hacking – Hackers can access trove of stolen credentials on VirusTotal

By Waqas Dubbed VirusTotal Hacking; the attack allowed researchers to access 1,000,000 login credentials exfiltrated by unencrypted crypto wallets and… This is a post from HackRead.com Read the original post: VirusTotal hacking - Hackers can access trove of stolen credentials on VirusTotal...

CNMF Identifies and Discloses Malware used by Iranian APT MuddyWater

U.S. Cyber Command’s Cyber National Mission Force CNMF has identified multiple open-source tools used by an Iranian advanced persistent threat APT group known as MuddyWater. According to CNMF, “MuddyWater has been seen using a variety of techniques to maintain access to victim networks. These...

‘Fully Undetected’ SysJoker Backdoor Malware Targets Windows, Linux & macOS

A brand-new multiplatform malware, likely distributed via malicious npm packages, is spreading under the radar with Linux and Mac versions going fully undetected in VirusTotal, researchers warned. The Windows version, according to a Tuesday writeup from Intezer, has only six detections as of this...

'Spider-Man: No Way Home' Pirated Downloads Contain Crypto-Mining Malware

Peter Parker might not be a mastermind cryptocurrency criminal, but the name Spiderman is quickly becoming more associated with the mining landscape. ReasonLabs, a leading provider of cybersecurity prevention and detection software, recently discovered a new form of malware hacking into customer...

Windows Installer vulnerability becomes actively exploited zero-day

Sometimes the ways in which malicious code gets in the hands of cybercriminals is frustrating for those in the industry, and incomprehensible to those on the outside. A quick summary of the events in the history of this exploit: A researcher found a flaw in Windows Installer that would allow an...

DCOM abuse and lateral movement with Cobalt Strike

Introduction When researching lateral movement techniques I came across a post from Raphael Mudge of Cobalt Strike fame. He details scripting an Aggressor Script for Matt Nelson’s MMC20.Application Lateral Movement technique. Reading that post spurred me to make my own DCOM based lateral movement...

Threat Actors Abuse Discord to Push Malware

Threat actors are abusing the core features of the popular Discord digital communication platform to persistently deliver various types of malware—in particular remote access trojans RATs that can take over systems–putting its 150 million users at risk, researchers have found. RiskIQ and CheckPoi...

New Microsoft Sysmon report in VirusTotal improves security

Today, following the 25th year anniversary of Microsoft Sysinternals, we are announcing the general availability of a new Microsoft Sysmon report in VirusTotal. Whether you’re an IT professional or a developer, you’re probably already using Microsoft Sysinternals utilities to help you manage,...

New Microsoft Sysmon report in VirusTotal improves security

Today, following the 25th year anniversary of Microsoft Sysinternals, we are announcing the general availability of a new Microsoft Sysmon report in VirusTotal. Whether you’re an IT professional or a developer, you’re probably already using Microsoft Sysinternals utilities to help you manage,...

A week in security (Oct 11 – Oct 17)

Last week on Malwarebytes Labs Google warns some users that FancyBear’s been prowling around Inside Apple: How macOS attacks are evolving The joy of phishing your employees ExpressVPN made a choice, and so did I: Lock and Code S02E19 Update now! Apple patches another privilege escalation bug in i...

VirusTotal Releases Ransomware Report Based on Analysis of 80 Million Samples

As many as 130 different ransomware families have been found to be active in 2020 and the first half of 2021, with Israel, South Korea, Vietnam, China, Singapore, India, Kazakhstan, Philippines, Iran, and the U.K. emerging as the most affected territories, a comprehensive analysis of 80 million...

A New Jupyter Malware Version is Being Distributed via MSI Installers

Cybersecurity researchers have charted the evolution of Jupyter, a .NET infostealer known for singling out healthcare and education sectors, which make it exceptional at defeating most endpoint security scanning solutions. The new delivery chain, spotted by Morphisec on September 8, underscores...

packetsifterTool - A Tool To Aid Analysts In Sifting Through A Packet Capture (Pcap) To Find Noteworthy Traffic

PacketSifter is a tool to perform batch processing of PCAP data to uncover potential IOCs. Simply initializePacketSifter with your desired integrations VirusTotal, AbuseIPDB and pass PacketSifter a pcap and the desired switches and PacketSifter will sift through the data and generate several outp...

LockFile Ransomware Bypasses Protection Using Intermittent File Encryption

A new ransomware family that emerged last month comes with its own bag of tricks to bypass ransomware protection by leveraging a novel technique called "intermittent encryption." Called LockFile, the operators of the ransomware have been found exploiting recently disclosed flaws such as ProxyShel...

Babuk Ransomware Builder Mysteriously Appears in VirusTotal

The Babuk ransomware gang’s source code has been uploaded to VirusTotal, making it available to all security vendors and competitors. It’s unclear however just how that happened. According to a Wednesday posting from Malwarebytes, the operators of the ransomware – perhaps best-known for hitting t...