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todayMarch 28, 2020

Case Study Mjolnir Security

Attack Type – Exploitation of novel / 0-day vulnerability

Scenario: Org2 is a specialist technology company based in the UK. The Org2 IT security operations team responded to an alert from its corporate anti-virus provider that a copy of password stealing malware had been found on three of its domain controllers. This was a serious incident, and an investigation [...]

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Ransomware

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todayDecember 15, 2017

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News + Malware + Ransomware + Backdoor + Threat Intelligence + Breach Mjolnir Security

Remote Desktop Server Owners beware, new HC7 GOTYA Ransomware Installed via Remote Desktop Services

There was a time when most Server Administrations/Network Administrators would just change the port 3389 to any other and/or change default login username to a RDP server and assume its secure. While this may best practice, it doesnt really help as a simple nmap scan reveals the listening port and ...

Image taken from https://intel.malwaretech.com/botnet/wcrypt by Mjolnir Security

todayMay 12, 2017

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News + Malware + Botnet + Ransomware + APT + Exploits + Backdoor + Threat Intelligence Mjolnir Security

WCry ransomware explodes in massive distribution wave

The ransomware is using an NSA exploit leaked by The Shadow Brokers, and has made tens of thousands of victims worldwide, including the Russian Interior Ministry, Chinese universities, Hungarian telcos, FedEx branches, and more.  A ransomware outbreak is wreaking havoc all over the world, but especially in Spain, where Telefonica ...

todayMarch 14, 2017

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Malware + Ransomware Mjolnir Security

Blank Slate Campaign Takes Advantage of Hosting Providers to Spread Ransomware

Image from: http://researchcenter.paloaltonetworks.com In recent months, Palo Alto Networks has been tracking a malicious spam (malspam) campaign using emails with no message content and an attached zip archive to spread ransomware. They have nicknamed this campaign “Blank Slate” because the malspam messages are blank with nothing to explain the malicious attachments. Read their ...

Image from bleepingcomputer.com

todayMarch 12, 2017

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Malware + Ransomware Mjolnir Security

Crypt0l0cker (TorrentLocker): Old Dog, New Tricks

Image from bleepingcomputer.com Ransomware continues to be a plague on the internet and still sets itself as the fastest growing malware family we have seen in the last number of years. In this post we describe the technical details about a newly observed campaign of the notorious Crypt0l0cker (aka TorrentLocker ...