Date: Sat, 14 Jan 2006 16:32:28 +1030 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: freebsd-hackers@freebsd.org, anchor <jacquejiang@hotmail.com> Subject: Re: My machine been hacked, I need help Message-ID: <200601141632.29709.doconnor@gsoft.com.au> In-Reply-To: <2374502.post@talk.nabble.com> References: <2374502.post@talk.nabble.com>
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--nextPart1396418.se7W9MObOf Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Sat, 14 Jan 2006 14:35, anchor (sent by Nabble.com) wrote: > My machine been hacked. The message file was modified. Old dated backup > files are deleted. The last log was truncated. You are gurus. Would you > please tell me where I can find out other trace file or logfiles to figu= re > out where the hacker come from? 1) Turn it off 2) Put a new hard disk in it and install FreeBSD freshly on the new disk 3) Mount the old disk read only and recover all the data you can (no =20 executables) 4) Do forensics on the old disk, and/or back it up to tape. 5) Nuke the contents of the old disk. Basically it is really hard to trust any code run from the old disk althoug= h=20 as someone suggested DDB is most likely to be OK, but you never know :) =2D-=20 Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --nextPart1396418.se7W9MObOf Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQBDyJP15ZPcIHs/zowRAvNvAJ9Zz+zjo95LhtvBxxLN7H1yTJbGuACfXZ+T hX6pyeGcUrTsP05bLY0EXQc= =/+hf -----END PGP SIGNATURE----- --nextPart1396418.se7W9MObOf--
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