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Making a hash of things

Peter Ferrie
Virus Bulletin, August 2009, pp. 4-5
ISSN 0956-9979
August 2009

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Abstract

File format tricks abound in ELF files. One of these was described in last month’s issue of Virus Bulletin (see VB, July 2009, p.4). In that trick, a particular section of the file was overwritten by virus code. A variation of that technique is described here.

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