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Shamoon


Shamoon, also known as Disttrack, is a modular computer virus discovered by Seculert in 2012, targeting recent NT kernel-based versions of Microsoft Windows. The virus has been used for cyber espionage in the energy sector. Its discovery was announced on 16 August 2012 by Symantec,Kaspersky Lab, and Seculert. Similarities have been highlighted by Kaspersky Lab and Seculert between Shamoon and the Flame malware.

The virus has been noted to have behaviour differing from other malware attacks, intended for cyber espionage. Shamoon can spread from an infected machine to other computers on the network. Once a system is infected, the virus continues to compile a list of files from specific locations on the system, upload them to the attacker, and erase them. Finally the virus overwrites the master boot record of the infected computer, making it unbootable.

There has been some speculation why the attacker may have an interest in actually destroying the infected PC. Kaspersky Labs hinted that the 900 KB malware could be related to Wiper, that was used in a cyber attack on Iran in April. After an analysis, the company concluded that this malware is more likely to come from "scriptkiddies" who were inspired by Wiper.

The virus has hit companies within the oil and energy sectors. A group named "Cutting Sword of Justice" claimed responsibility for an attack on 35,000 Saudi Aramco workstations, causing the company to spend a week restoring their services. The group later indicated that the Shamoon virus had been used in the attack. Computer systems at RasGas were also knocked offline by an unidentified computer virus, with some security experts attributing the damage to Shamoon.


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