http://security.over-blog.com/ fr over-blog.com RDF 1.0 Generator admin@over-blog.com 2006-01-18T17:23:59Z http://security.over-blog.com/article-15899846.html fr 2008-01-22T18:20:26Z http://security.over-blog.com/article-3548107.html Rootkit technologies detection and prevention:- with Rootkit Demo1.2: this russian demo uses is designed to hide its presence and to make speakers beeps.RKDemo does not use particular hidding method, but take advantage of Windows functions (returs an "error control " to the system).More...]]> fr 2007-09-17T18:23:30Z http://security.over-blog.com/article-1633967.html   PART 2: IN THE WILD WITH REAL MALWARES 7) Boot Sector/Bios/MBR protection: MBR virus When a computer is not protected with a Bios password, and neither by an antivirus (only HIPS), an ill-intentioned person can easly boot the computer from external drives and cause damages. This test...]]> fr 2007-09-17T18:23:30Z http://security.over-blog.com/article-3740592.html ...]]> fr 2007-09-17T18:23:30Z http://security.over-blog.com/article-2210628.html CLIENT/SERVER SIDE ATTACKS and other tests: here we distinguish attacks which occur via browser from malwares which infect the system:NB.As some vulnerabilities could be patched as soon as possible, the tests are run on Windows XP2 updated until the end of 2005 only.11.URL obfuscation: at http://www.retrosynth.com/misc//phishing.htmlIt[...]]]> fr 2007-09-17T18:23:30Z http://security.over-blog.com/article-2915915.html FIRST PART based on the behaviour (more screenshots here)1a.Execution protection-with the TaskManager launched via Ctrl+Alt+Del-via start and execute menu-with srip32 launched by explorer.exe-with shellcode for running notepad.exe: and calc.exe  (2 toolls used for this test) -...]]> fr 2007-09-17T18:23:30Z http://security.over-blog.com/article-4066034.html This rootkit is a pure "hider" (intrusion or hacker tool): it acts as an hidden service/driver.But it does not hide its registry keys, that makes it easy to detect for users who know their system well.In this example, we purposefully take the side and point of view of classical users who are not usually very[...]]]> fr 2007-09-17T18:23:30Z http://security.over-blog.com/article-3548331.html Data theft via sniffing:f. with a command line sniffer (currently detected by none antivirus on Virus Total):We run (locally) the sniffer and connect to the web mail.g. with Sniffer (Renamed, not detected by antivirus on Virus Total):We run (locally) the...]]> fr 2007-09-17T18:23:30Z http://security.over-blog.com/article-3462648.html Here we illustrate some data theft attacks which can really be used in the wild.a. with trojan demo:This demo illustrates an "in the fly data theft attack" : once executed, it launches calc.exe, lists My Documents folder files and reports them (HTML) to...]]> fr 2007-09-17T18:23:30Z http://security.over-blog.com/article-3088768.html ...]]> fr 2007-09-17T18:23:32Z