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Python: shlex.quote() However, this still puts the burden on programmers to know/learn about these functions and to remember to make use of them every time they use shell commands. In addition to using these functions, validating or sanitizing the user input is also recommended.
Kirk Ransomware is a trojan horse program that masquerades as Low Orbit Ion Cannon, an application used for stress testing and denial-of-service attacks. [1] Once activated, Kirk Ransomware searches the infected computer's hard drive for files with certain filename extensions, and encrypts and renames them, adding .kirked to the end of their filenames.
DoublePulsar is a backdoor implant tool developed by the U.S. National Security Agency's (NSA) Equation Group that was leaked by The Shadow Brokers in early 2017. [3] [citation needed] The tool infected more than 200,000 Microsoft Windows computers in only a few weeks, [4] [5] [3] [6] [7] and was used alongside EternalBlue in the May 2017 WannaCry ransomware attack.
PGPCoder or GPCode is a trojan that encrypts files on the infected computer and then asks for a ransom in order to release these files, a type of behavior dubbed ransomware or cryptovirology. Trojan [ edit ]
Hidden Tear is the first open-source ransomware trojan that targets computers running Microsoft Windows [1] The original sample was posted in August 2015 to GitHub. [2]When Hidden Tear is activated, it encrypts certain types of files using a symmetric AES algorithm, then sends the symmetric key to the malware's control servers. [3]
Rhysida is a ransomware group that encrypts data on victims' computer systems and threatens to make it publicly available unless a ransom is paid. [1] The group uses eponymous ransomware-as-a-service techniques, targets large organisations rather than making random attacks on individuals, and demands large sums of money to restore data. [2]
Ransomware attacks are typically carried out using a Trojan disguised as a legitimate file that the user is tricked into downloading or opening when it arrives as an email attachment. However, one high-profile example, the WannaCry worm , traveled automatically between computers without user interaction.
Akira (ransomware) is a malware which emerged in March 2023. [1] It targeted over 250 entities: the government sector, businesses in Canada, US, Australia ( Nissan ), critical infrastructure entities (the Finnish IT services provider Tietoevry ), universities ( Stanford University ).