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Original Author of Petya Ransomware is Back & He Wants to Help NotPetya Victims

Original Author of Petya Ransomware is Back & He Wants to Help NotPetya Victims

Jun 29, 2017
The author of original Petya ransomware is back. After 6 months of silence, the author of the now infamous Petya ransomware appeared today on Twitter to help victims unlock their files encrypted by a new version of Petya, also known as NotPetya . "We're back having a look in NotPetya," tweeted Janus, a name Petya creator previously chose for himself from a villain in James Bond. "Maybe it's crackable with our privkey. Please upload the first 1MB of an infected device, that would help." This statement made by the Petya author suggests he may have held onto a master decryption key , which if it works for the new variant of Petya infected files, the victims would be able to decrypt their files locked in the recent cyber outcry. Janus sold Petya as a Ransomware-as-a-Service (RaaS) to other hackers in March 2016, and like any regular ransomware, original Petya was designed to lock victim's computer, then return them when a ransom is paid. This
MBRFilter — Open Source Tool to Protect Against 'Master Boot Record' Malware

MBRFilter — Open Source Tool to Protect Against 'Master Boot Record' Malware

Oct 20, 2016
Ransomware threat has risen exponentially so much that ransomware authors have started abusing the MBR in their attacks to lock down your entire computer instead of just encrypting your important files on hard drive. Talos team at Cisco Systems has released a free, open-source tool that protects the master boot record (MBR) sector of computers from modification by bootkits, ransomware, and other malicious attacks. Master Boot Record (MBR) is the first sector (512 bytes) on your Hard drive that stores the bootloader, a piece of code that is responsible for booting the current Operating System. Technically, Bootloader is first code that gets executed after system BIOS that tells your computer what to do when it start. An advanced malware program, such as rootkit and bootkit, leverages this process to infect computers by modifying the MBR. A boot malware or bootkits has the ability to install ransomware or other malicious software into your Windows kernel, which is almost i
How to Achieve the Best Risk-Based Alerting (Bye-Bye SIEM)

How to Achieve the Best Risk-Based Alerting (Bye-Bye SIEM)

Feb 19, 2024Network Detection and Response
Did you know that Network Detection and Response (NDR) has become the most effective technology to detect cyber threats? In contrast to SIEM, NDR offers adaptive cybersecurity with reduced false alerts and efficient threat response. Are you aware of  Network Detection and Response (NDR)  and how it's become the most effective technology to detect cyber threats?  NDR massively upgrades your security through risk-based alerting, prioritizing alerts based on the potential risk to your organization's systems and data. How? Well, NDR's real-time analysis, machine learning, and threat intelligence provide immediate detection, reducing alert fatigue and enabling better decision-making. In contrast to SIEM, NDR offers adaptive cybersecurity with reduced false positives and efficient threat response. Why Use Risk-Based Alerting? Risk-based alerting is an approach where security alerts and responses are prioritized based on the level of risk they pose to an organization's system
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