Re: New attack against port 135?

2003-10-10 Thread Mike Tancsa


Yes, we saw this yesterday and posted to full-disclosure. Here is a sample 
packet.

13:43:38.511675 xx:xx:xx:xx:xx:xx xx:xx:xx:xx:xx:xx 0800 62: 
64.7.nn.yy.3512 > 16.181.zz.aa.135: S [tcp sum ok] 3772716186:3772716186(0) 
win 65340  (DF) (ttl 127, id 63248, len 48)
0x   4500 0030 f710 4000 7f06 e5d6 4007 975b[EMAIL PROTECTED]@..[
0x0010   10b5 36c9 0db8 0087 e0df 149a  ..6.
0x0020   7002 ff3c 6151  0204 05ac 0101 0402p..

---Mike

At 01:26 PM 10/10/2003, Peter John Hill wrote:

I am seeing lots of scanning of port 135 on my network. 66 byte long 
packets. Anyone have a name for this? It is less aggressive than the 
welchia scans I have seen. Seems to scan at about 3000 or so flows per 5 
minutes.

Thanks
Peter Hill
Network Engineer
Carnegie Mellon



Re: New attack against port 135?

2003-10-10 Thread Andrew D Kirch

The kiddies have finally exploited the RPC SS/RPC DCOMII exploits that microsoft 
patched after internal auditing. I first got word of a working exploit about a week 
ago, but no real confirmation, and I put very little creedance in " I hax0rz 
your b0x3n!" then scanning went exponentially through the roof.  So it lookss like the 
kiddie's right, I doubt there's a virus perse, more like kiddies hunting for 
vulnerable boxes to install DDoS trojans on.  Anyone who honeypots one of these scans 
and gets a trojan please notify me and forward it, it would be most helpful. (Also 
obviously forward to Symantec et al.)


On Fri, 10 Oct 2003 13:26:58 -0400
Peter John Hill <[EMAIL PROTECTED]> wrote:

> 
> I am seeing lots of scanning of port 135 on my network. 66 byte long packets. Anyone 
> have a name for this? It is less aggressive than the welchia 
> scans I have seen. Seems to scan at about 3000 or so flows per 5 minutes.
> 
> Thanks
> Peter Hill
> Network Engineer
> Carnegie Mellon
> 


-- 

Andrew D Kirch  |   [EMAIL PROTECTED]| 
Security Admin  |  Summit Open Source Development Group  | www.sosdg.org




New attack against port 135?

2003-10-10 Thread Peter John Hill
I am seeing lots of scanning of port 135 on my network. 66 byte long packets. Anyone have a name for this? It is less aggressive than the welchia 
scans I have seen. Seems to scan at about 3000 or so flows per 5 minutes.

Thanks
Peter Hill
Network Engineer
Carnegie Mellon