Re: Exploit or trojan
dav <[email protected]>
| Newsgroups | gmane.comp.security.sun |
|---|---|
| Message-ID | <[email protected]> |
Felipe Franciosi [[email protected]] a écrit: > > Oops. > > > > Such kind of kernel backdoors (e.g. loadable kernel modules) are also > > present for Solaris, *BSD and Windows systems. If you are unsure whether > > someone has compromised your system, don't trust the system's kernel! > > Yeah you are right! I was just reading about coding solaris kernel > modules. It is pretty easy, actually. Anyone can find a lot of > documents on google. > > A little addition here: Some Linux backdoors (Suckit, for example) > doesn't work as a kernel module. It just opens /dev/kmem and patch > it on the fly. It is still detectable, though, trought some imple- > mentation flaws or checking mechanisms that verify the kernel > syscall table integrity. For solaris systems, you can look at papillon kernel module. This module try to make same than gr-security for linux kernel... I'm using it on production servers, and I've no trouble to report after one year. http://www.roqe.org/papillon/ dav. -- PGP: http://www.r00tworld.com/~dav/dav.gpg