What destructive action do zip bombs perform? Detailed answer

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What destructive action do zip bombs perform? Detailed answer

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What destructive action do zip bombs perform?

One of the classes of malicious computer programs are the so-called zip-bombs. These are archive files in the .zip format, which, when unpacked, increase in size many times over. For example, one of the most famous zip bombs called 42.zip is only 42 KB in size, while inside the archive there are 5 layers of nested archives with 16 files per level. The size of each file at the last level is 4,3 GB, and the entire archive when unpacked takes 4,5 Petabytes. The malicious effect of such archives is to overflow system resources when antiviruses or other system programs try to scan them, although at present all decent antiviruses recognize bombs in advance and do not try to open them completely.

Authors: Jimmy Wales, Larry Sanger

Random interesting fact from the Great Encyclopedia:

What scream can be heard in over 200 movies and computer games?

In the 1951 western "Distant Drums", a short scream called "A man is bitten by an alligator and he screams" was used for voice acting. The second appearance of this cry is recorded in the film "Attacks at the Feather River", where it is emitted by Private Wilhelm, wounded by an arrow from a bow. The sound then appeared in several more Warner Bros. films, and in the 1970s, sound engineer Ben Burt adopted it and used it as his trademark in many films, including the Star Wars and Indiana Jones series. Soon other sound engineers picked up this tradition - at the moment, Wilhelm's scream can be heard in more than 200 films and computer games.

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Features of the Lytro Camera for Mobile Phones 05.01.2013

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Lytro users determine the edge of sharpness in the picture after the fact. This is possible due to the fact that Lytro has an array of microlenses between the lens and the matrix, which capture information about the light field of the scene being shot in four dimensions. The Toshiba photomodule also uses an array of half a million microlenses. The final image is made up of multiple images "captured" by each lens. By analyzing the image from the lenses, the software determines the distance to each of the objects in the image.

Toshiba plans to start serial production of PV modules at the end of 2013. The developers do not exclude that the final version of the device will support work not only with photos, but also with videos.

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