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Source code viruses are a subset of computer viruses that make modifications to source code located on an infected machine. 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 ...
Metamorphic code is used by computer viruses to avoid the pattern recognition of anti-virus software.Metamorphic viruses often translate their own binary code into a temporary representation, editing the temporary representation of themselves and then translate the edited form back to machine code again. [1]
Trojan Source is a software vulnerability that abuses Unicode's bidirectional characters to display source code differently than the actual execution of the source code. [1] The exploit utilizes how writing scripts of different reading directions are displayed and encoded on computers.
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".
Metamorphic code techniques may be used to complicate detection further, as the virus may execute without ever having identifiable code blocks in memory that remains constant from infection to infection. The first known polymorphic virus was written by Mark Washburn. The virus, called 1260, was written in 1990.
August 24: Source code for MegaPanzer is released by its author under GPLv3. [58] and appears to have been apparently detected in the wild. [59] November 27: The virus Kenzero is a virus that spreads online from peer-to-peer networks (P2P) taking browsing history. [60]
Flame (a.k.a. Da Flame) was identified in May 2012 by the MAHER Center of the Iranian National CERT, Kaspersky Lab and CrySyS Lab (Laboratory of Cryptography and System Security) of the Budapest University of Technology and Economics when Kaspersky Lab was asked by the United Nations International Telecommunication Union to investigate reports of a virus affecting Iranian Oil Ministry ...
1260, or V2PX, [1] [2] was a polymorphic computer virus written in 1989 by Mark Washburn. Derived from Ralf Burger's publication of the disassembled Vienna Virus source code, the 1260 added a cipher and varied its signature by randomizing its decryption algorithm. Both the 1260 and Vienna infect .COM files in the current or PATH directories ...