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From: Valdis.Kletnieks at vt.edu (Valdis.Kletnieks@...edu) Subject: POS#1 Self-Executing HTML: Internet Explorer 5.5 and 6.0 On Tue, 11 Nov 2003 11:05:08 +0100, Feher Tamas <etomcat@...email.hu> said: > >Fully self-contained harmless *.exe: > >CAUTION: back up notepad.exe before opening > >http://www.malware.com/self-exec.zip > > Kaspersky Antivirus says: > TrojanDropper.VBS.Inor.i > > I wouldn't call this malware harmless. Please remove it! This all depends on exactly how Kaspersky detected the self-exec. If it's triggering off the attack vector, then anything that uses the same attack vector will false-positive as that malware. (And yes, I know all the standard "but the detection engine is more sophisticated yadda yadda yadda". Think about the issue of detecting a polymorphic virus while guaranteeing that you *don't* false-positive on other things that happen to have similar code in them - particularly if the attack vector is the defining feature of the malware......) It's fairly reasonable for Kaspersky to say "anything with this sequence of bits is almost certainly up to no good, and it's probably FooBlonker". The only time this goes astray is if a researcher publishes a POC where the "no good" is limited to a "Hi there" pop-up or similar non-damaging payload.... -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 226 bytes Desc: not available Url : http://lists.grok.org.uk/pipermail/full-disclosure/attachments/20031111/a2665e25/attachment.bin
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