Re: Increase in Sub7 scans

["Eric S. Johnson" <esj () cs fiu edu>]

As of yesterday 6-11-2001 we too have seen a dramatic increase (25)
scans for 27374 also. Before yesterday we only saw them once or twice
a week.

E

> Since February, I've been receiving tcp port scans for the default sub7 port
> (27374) at a rate of approximately 3-4 per day.  Starting on June 8th to
> present, I've been receiving them at 9 times that rate.  
>
> 6/5/01 - 3 Scans
> 6/6/01 - 4 Scans
> 6/7/01 - 3 Scans
> 6/8/01 - 8 Scans
> 6/9/01 - 14 Scans
> 6/10/01 - 38 Scans
> 6/11/01 - 22 Scans
>
> Any ideas on what could have sparked this increased scanning?  A new
> utility?  A new vulnerability related to sub7?  New media publicity?
>
> Thanks
>
> Jack E. Obert, GSEC 
> Technical Information Security Officer 
> St. John's Health System