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Latest News

14
Mar

What you need to know for Patch Tuesday, March 2019

By SophosLabs Offensive Security Research Microsoft released their monthly security updates for March this past Tuesday. This month’s fixes address 64 vulnerabilities that affect Windows and a range of software that runs on Windows, mainly the Internet Explorer and Edge browsers. In addition, there was a patch released for one critical vulnerability in Adobe Flash. […]
05
Mar

GandCrab 101: All about the most widely distributed ransomware of the moment

In this Sophos101 report, we'll give you the lowdown on what you need to know about this, unfortunately, widely disseminated malware.
05
Mar

Emotet 101, stage 5: a delivery vehicle for more malware

By SophosLabs Research Emotet is a botnet in its own right, one so prolific and dominant that the United States CERT, the body tasked with tracking cyberthreats to the country, named Emotet in July, 2018 “among the most costly and destructive malware” to affect governments, enterprises and organizations large and small, and individual computer users. […]
05
Mar

Emotet 101, stage 4: command and control

By SophosLabs Research The Emotet family could not do what it does without receiving a constant stream of instructions from its owners, or in the absence of the detailed level of feedback about its operating environment each bot sends home from an infected host machine. It also uses huge numbers of compromised websites that belong […]
05
Mar

Emotet 101, stage 3: The Emotet executable

By SophosLabs Research Emotet’s arrival is usually preceded by a deceptive spam email, which has a malicious attachment. Opening the attachment starts a process which can lead to an Emotet infection. The Emotet application is an evolved binary, in the sense that it has gone through thousands of iterations over its existence. Its presence as […]
05
Mar

Emotet 101, stage 2: The malicious attachment and killchain

By SophosLabs Research The Emotet malware family is in a constant state of evolution and change. From day to day or week to week, the malware’s creators and distributors take an active role in changing up the killchain – the sequence of events that begins with a victim receiving a malicious file attachment, and ends […]

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