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A quine's output is exactly the same as its source code. A quine is a computer program that takes no input and produces a copy of its own source code as its only output. The standard terms for these programs in the computability theory and computer science literature are "self-replicating programs", "self-reproducing programs", and "self-copying programs".
A source file can be overwritten such that it includes a call to some malicious code. By targeting a generic programming language, such as C, source code viruses can be very portable. Source code viruses are rare, partly due to the difficulty of parsing source code programmatically, but have been reported to exist. One such virus (W32/Induc-A ...
Code injection is a computer security exploit where a program fails to correctly process external data, such as user input, causing it to interpret the data as executable commands. An attacker using this method "injects" code into the program while it is running.
A computer virus [1] is a type of malware that, when executed, replicates itself by modifying other computer programs and inserting its own code into those programs. [ 2 ] [ 3 ] If this replication succeeds, the affected areas are then said to be "infected" with a computer virus, a metaphor derived from biological viruses .
Logo. The Common Vulnerabilities and Exposures (CVE) system provides a reference method for publicly known information-security vulnerabilities and exposures. [1] The United States' National Cybersecurity FFRDC, operated by The MITRE Corporation, maintains the system, with funding from the US National Cyber Security Division of the US Department of Homeland Security. [2]
The malware is able to modify the code on PLC devices unnoticed, and subsequently to mask its presence from WinCC if the control software attempts to read an infected block of memory from the PLC system. [67] The malware furthermore used a zero-day exploit in the WinCC/SCADA database software in the form of a hard-coded database password. [75]
Due to a bug in the virus code, the virus fails to erase CMOS information as intended. ARCV-n: DOS 1992-10/1992-11 England, United Kingdom ARCV Group ARCV-n is a term for a large family of viruses written by the ARCV group. Alureon TDL-4, TDL-1, TDL-2, TDL-3, TDL-TDSS Windows Botnet: 2007 Estonia: JD virus Autostart Autostart.A—D Classic Mac ...
The concept behind a fork bomb — the processes continually replicate themselves, potentially causing a denial of service. In computing, a fork bomb (also called rabbit virus) is a denial-of-service (DoS) attack wherein a process continually replicates itself to deplete available system resources, slowing down or crashing the system due to resource starvation.