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A logic bomb is a piece of code intentionally inserted into a software system that will set off a malicious function when specified conditions are met. For example, a programmer may hide a piece of code that starts deleting files (such as a salary database trigger ), should they ever be terminated from the company.
Supporters of digital rights argue that managers of Internet traffic do not have a right to deep package inspection, the automated system of analyzing what information is being transmitted, for example refusing to deliver a packet with the words "bomb instructions" and alerting authorities to the internet service provider ISP that requested the information. [3]
Jerusalem is a logic bomb DOS virus first detected at Hebrew University of Jerusalem, in October 1987. [1] On infection, the Jerusalem virus becomes memory resident (using 2kb of memory), and then infects every executable file run, except for COMMAND.COM. [2] COM files grow by 1,813 bytes when infected by Jerusalem and are not re-infected.
A famous example of a zip bomb is titled 42.zip, which is a zip file of unknown authorship [4] consisting of 42 kilobytes of compressed data, containing five layers of nested zip files in sets of 16, each bottom-layer archive containing a 4.3-gigabyte (4 294 967 295 bytes; 4 GiB − 1 B) file for a total of 4.5 petabytes (4 503 599 626 321 920 ...
On the same day two Iranian nuclear scientists were targeted in separate, but nearly simultaneous car bomb attacks near Shahid Beheshti University in Tehran. Majid Shahriari, a quantum physicist, was killed. Fereydoon Abbasi, a high-ranking official at the Ministry of Defense was seriously wounded.
The first use of a time bomb in software may have been in 1979 with the Scribe markup language and word processing system, developed by Brian Reid.Reid sold Scribe to a software company called Unilogic (later renamed Scribe Systems [2]), and agreed to insert a set of time-dependent functions (called "time bombs") that would deactivate freely copied versions of the program after a 90-day ...
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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.