Path: utzoo!utgpu!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!ukma!sean From: sean@ms.uky.edu (Sean Casey) Newsgroups: comp.sys.amiga.tech Subject: Re: IRQ virus (and a personal note to Steve) Message-ID: <10794@s.ms.uky.edu> Date: 3 Jan 89 00:21:14 GMT References: <5601@cbmvax.UUCP> <5602@cbmvax.UUCP> <10788@s.ms.uky.edu> <18668@agate.BERKELEY.EDU> Reply-To: sean@ms.uky.edu (Sean Casey) Organization: The Leaning Tower of Patterson Office @ The Univ. of KY Lines: 32 In article <18668@agate.BERKELEY.EDU> laba-3ar@e260-4b.berkeley.edu (Case Larsen) writes: |In article <10788@s.ms.uky.edu> sean@ms.uky.edu (Sean Casey) writes: |>light at the end of the tunnel is probably a protected mode OS with |>enforced privileges. Once debugged, at this would at least protect the | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |>system files from a user running a virus. | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |This wouldn't protect him from running a trojan horse that modified any |of his work files. The user would necessarily have to be able to write |and modify his own files. It also wouldn't wouldn't protect him from |running a trojan horse that would add this line to the end of his |startup-sequence: | delete #? all quiet Yeah, well, that's what I said. It would protect the system files. It should be obvious that there is no real generalized solution to protect users from themselves. |If the startup-sequence leaves the user in his work directory, the above |command will remove all of his work files, but leave the system utilities |untouched. |Any solutions to that problem? Backups. -- *** Sean Casey sean@ms.uky.edu, sean@ukma.bitnet *** Who sometimes never learns. {backbone site|rutgers|uunet}!ukma!sean *** U of K, Lexington Kentucky, USA ..where Christian movies are banned. *** ``My name is father. You killed my die. Prepare to Inigo Montoya.''