An Evening with Berferd In Which a Cracker is Lured, Endured, and Studied
Author
Bill Cheswick
Entry type
techreport
Abstract
On 7 January 1991 a cracker, believing he had discovered the
famous sendmail DEBUG hole in our Internet gateway machine,
attempted to obtain a copy of our password file. I sent him one.
For several months we led this cracker on a merry chase in order
to trace his location and learn his techniques. This paper is a
chronical of the cracker's "success" and disappointments, the bait
and traps used to lure and detect him, and the chroot "Jail" we
built to watch his activities.
We concluded that our cracker had a lot of time and persistence,
and a good list of
Date
1992
Institution
AT&T Bell Laboratories
Key alpha
Cheswick
Publication Date
2001-01-01