Archive for the ‘Computer Security’ Category

forensics grep regular expressions
(credit cards, IP, e-mail addresses, IBAN)

Posted: 10th April 2010 by as in Blogroll, Computer Security, Linux, Operating Systems
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The following regular expressions were tested on Gentoo x64 Search for credit card numbers grep -E ‘(^|[[:space:]])[456][[:digit:]]{3}((-|[[:space:]])?[[:digit:]]{4}){3}([[:space:]]|$)’ <filename> Search for IP

Sony VGN-BZ21VN fingerprint driver for Windows XP

Posted: 18th August 2009 by renumbus in Computer Security, Windows
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Sony does not provide driver and software for this VAIO laptop for Windows XP. Google for ‘intel fingerprint driver’ gave a link to

Ban IP address based on port scan detection

Posted: 22nd July 2009 by as in Computer Security, Intrusion Detection, Intrusion Detection Tools
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Regarding to Solar Designer (1999) it is not a good idea to block access to a IP address based on port scan. Port scan can be easily spoofed by generating 1000 of requests to a target with 999 spoofed source addresses and only one real one. This type of attach makes impossible