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WannaCry ransomware attack. The WannaCry ransomware attack was a worldwide cyberattack in May 2017 by the WannaCry ransomware cryptoworm, which targeted computers running the Microsoft Windows operating system by encrypting data and demanding ransom payments in the Bitcoin cryptocurrency. [4] It was propagated by using EternalBlue, an exploit ...
Ransomware is a type of malware that permanently blocks access to the victim's personal data unless a "ransom" is paid. While some simple ransomware may lock the system without damaging any files, more advanced malware uses a technique called cryptoviral extortion. It encrypts the victim's files, making them inaccessible, and demands a ransom ...
Anons had announced an intention to bring down Amazon.com as well, but failed to do so, allegedly because of infighting with the hackers who controlled the botnets. [119] PayPal estimated the damage to have cost the company US$5.5 million. It later provided the IP addresses of 1,000 of its attackers to the FBI, leading to at least 14 arrests. [120]
Emotet. Emotet is a malware strain and a cybercrime operation believed to be based in Ukraine. [1] The malware, also known as Heodo, was first detected in 2014 and deemed one of the most prevalent threats of the decade. [2][3][4] In 2021, the servers used for Emotet were disrupted through global police action in Germany and Ukraine and brought ...
CryptoLocker typically propagated as an attachment to a seemingly innocuous e-mail message, which appears to have been sent by a legitimate company. [5] A ZIP file attached to an email message contains an executable file with the filename and the icon disguised as a PDF file, taking advantage of Windows' default behaviour of hiding the extension from file names to disguise the real .EXE extension.
Mirai (from the Japanese word for "future", 未来) is malware that turns networked devices running Linux into remotely controlled bots that can be used as part of a botnet in large-scale network attacks. It primarily targets online consumer devices such as IP cameras and home routers. [1] The Mirai botnet was first found in August 2016 [2] by ...
BASHLITE is written in C, and designed to easily cross-compile to various computer architectures. [9]Exact capabilities differ between variants, but the most common features [9] generate several different types of DDoS attacks: it can hold open TCP connections, send a random string of junk characters to a TCP or a UDP port, or repeatedly send TCP packets with specified flags.
Stuxnet is a malicious computer worm first uncovered in 2010 and thought to have been in development since at least 2005. Stuxnet targets supervisory control and data acquisition (SCADA) systems and is believed to be responsible for causing substantial damage to the nuclear program of Iran. [2]