Article View: comp.security.misc
Article #770Re: early Trojan Horse
From: Steve McDowell
Date: Thu, 19 Nov 1992 19:40
Date: Thu, 19 Nov 1992 19:40
25 lines
1601 bytes
1601 bytes
In message <956@dsbc.icl.co.uk> kev@dsbc.icl.co.uk (Kevin Walsh) writes: >In article <1992Nov18.202710.9652@mcs.kent.edu> keithf@Nimitz.mcs.kent.edu (Keith Fuller) writes: > >> I heard that early UNIX systems came with a Trojan Horse. >> As I remember, the C compiler would compile one of the utilities >> in a way that would give a knowledgable person entry into any UNIX >> system. > > As I remember it, cc used to recognize a peice of code as being > from the login program. When you compiled login, the resulting > executable would have a back door login in it. Well, I don't know if that was ever implemented and I'd be very surprised if it ever made it out of the lab if it was. This means of attack was discussed by Dennis Ritchie in an early papaer (mid-70's) on UNIX security as an option that's available to would-be-crackers with source code. If I remember correctly, the paper was distributed with the Version 7 manual set. -- Steve McDowell . . . . o o o o o Opinions are Exlog, Inc. _____ o mine, not my mcdowell@exlog.com _____==== ]OO|_n_n__][. employers.. [_________]_|__|________)<
Technical Details
Message-ID:
<1992Nov19.194057.19996@exlog.com>Path:
arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!cs.utexas.edu!newsfeed.rice.edu!exlogcorp!mcdowellReferences:
<1992Nov18.202710.9652@mcs.kent.edu> <956@dsbc.icl.co.uk>Show Full Headers
Complete Article Headers
Newsgroups: comp.security.misc Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!cs.utexas.edu!newsfeed.rice.edu!exlogcorp!mcdowell From: mcdowell@exlog.com (Steve McDowell) Subject: Re: early Trojan Horse Message-ID: <1992Nov19.194057.19996@exlog.com> Organization: EXLOG, Inc. References: <1992Nov18.202710.9652@mcs.kent.edu> <956@dsbc.icl.co.uk> Date: Thu, 19 Nov 92 19:40:57 GMT Lines: 25