Puzzle for January 9, 2002

The following is part of the output from ls -sailF /bin /usr/sbin . What is suspicious about it?

 
< CLASS="Code">	64236	168	-r-xr-xr-x	1	root	160028	May  2 20:53	/bin/csh*
< CLASS="Code">	64293	192	-r-xr-xr-x	2	root	180816	May  2 20:58	/bin/ksh*
< CLASS="Code">	64285	88	-r-xr-xr-x	3	root	89564	May  2 21:02	/bin/sh*
< CLASS="Code">
. . .
< CLASS="Code">	309872	144	-r-xr-xr-x	1	root	137984	Aug 19 14:58	/usr/sbin/in.named*
< CLASS="Code">	309704	9	-r-xr-xr-x	1	root	8532	May  2 20:56	/usr/sbin/in.rexecd*
< CLASS="Code">	309705	10	-r-xr-xr-x	1	root	9672	May  2 20:56	/usr/sbin/in.rlogind*
< CLASS="Code">	309707	10	-r-xr-xr-x	1	root	9836	May  2 20:56	/usr/sbin/in.rshd*
< CLASS="Code">	309710	88	-r-sr-xr-x	3	root	89564	Aug 22 03:05	/usr/sbin/in.telnetd*
ECS 153, Introduction to Computer Security
Winter Quarter 2002
Email: cs153@cs.ucdavis.edu