Firewall Wizards mailing list archives
Re: New Script Kiddie tool ?
From: Jim MacLeod <jmacleod () hotpop com>
Date: Fri, 23 Aug 2002 09:02:01 -0700
Hello Peter, ICMP type 8 is ping. UDP 53 is DNS.If it is a tool, there's nothing very exciting about it. 3 pings followed by 2 DNS, repeat.
It'd be interesting to get a capture of the traffic to see whether it's queries or replies.
If the 61 addresses are all the same, this is most likely someone trying to DoS that device, possibly doing a modified smurf/DDoS to try to suck up your bandwidth. There's a detailed write-up of this sort of attack at http://www.grc.com under "Direct Reflected DoS".
Are you sure it's not more frequent, and your log source (firewall?) is only reporting it every 10 seconds?
Regards, -Jim MacLeod At 04:00 PM 8/22/2002, Peter Robinson wrote:
G/Day all Has any one seem this sort of probe ?? It apears from all over the place and it seems to be spaced exactly 10 seconds appart. I am assuming this is a tool of sorts.. Source Address=208.184.139.82 Aug 22 14:04:21 Firewall 208.184.139.82 61.x.x.x----ICMP TYPE=8 Aug 22 14:04:31 Firewall 208.184.139.82 61.x.x.x----ICMP TYPE=8 Aug 22 14:04:41 Firewall 208.184.139.82 61.x.x.x----ICMP TYPE=8 Aug 22 14:04:51 Firewall 208.184.139.82 61.x.x.x----UDP 53 Aug 22 14:05:01 Firewall 208.184.139.82 61.x.x.x----UDP 53 Aug 22 17:00:03 Firewall 208.184.139.82 61.x.x.x----ICMP TYPE=8 Aug 22 17:00:13 Firewall 208.184.139.82 61.x.x.x----ICMP TYPE=8 Aug 22 17:00:23 Firewall 208.184.139.82 61.x.x.x----ICMP TYPE=8 Aug 22 17:00:33 Firewall 208.184.139.82 61.x.x.x----UDP 53 Aug 22 17:00:43 Firewall 208.184.139.82 61.x.x.x----UDP 53 Source Address=208.185.54.14 Aug 22 14:04:21 Firewall 208.185.54.14 61.x.x.x----ICMP TYPE=8 Aug 22 14:04:32 Firewall 208.185.54.14 61.x.x.x----ICMP TYPE=8 Aug 22 14:04:42 Firewall 208.185.54.14 61.x.x.x----ICMP TYPE=8 Aug 22 14:04:52 Firewall 208.185.54.14 61.x.x.x----UDP 53 Aug 22 14:05:02 Firewall 208.185.54.14 61.x.x.x----UDP 53 Aug 22 15:53:32 Firewall 208.185.54.14 61.x.x.x----ICMP TYPE=8 Aug 22 15:53:42 Firewall 208.185.54.14 61.x.x.x----ICMP TYPE=8 Aug 22 15:53:52 Firewall 208.185.54.14 61.x.x.x----ICMP TYPE=8 Aug 22 15:54:02 Firewall 208.185.54.14 61.x.x.x----UDP 53 Aug 22 15:54:12 Firewall 208.185.54.14 61.x.x.x----UDP 53 Aug 22 17:00:02 Firewall 208.185.54.14 61.x.x.x----ICMP TYPE=8 Aug 22 17:00:12 Firewall 208.185.54.14 61.x.x.x----ICMP TYPE=8 Aug 22 17:00:22 Firewall 208.185.54.14 61.x.x.x----ICMP TYPE=8 Aug 22 17:00:32 Firewall 208.185.54.14 61.x.x.x----UDP 53 Aug 22 17:00:42 Firewall 208.185.54.14 61.x.x.x----UDP 53 Source Address=208.225.197.194 Aug 22 15:53:35 Firewall 208.225.197.194 61.x.x.x----ICMP TYPE=8 Aug 22 15:53:45 Firewall 208.225.197.194 61.x.x.x----ICMP TYPE=8 Aug 22 15:53:55 Firewall 208.225.197.194 61.x.x.x----ICMP TYPE=8 Aug 22 15:54:05 Firewall 208.225.197.194 61.x.x.x----UDP 53 Aug 22 15:54:15 Firewall 208.225.197.194 61.x.x.x----UDP 53 Source Address=208.254.18.130 Aug 22 15:53:31 Firewall 208.254.18.130 61.x.x.x----ICMP TYPE=8 Aug 22 15:53:41 Firewall 208.254.18.130 61.x.x.x----ICMP TYPE=8 Aug 22 15:53:51 Firewall 208.254.18.130 61.x.x.x----ICMP TYPE=8 Aug 22 15:54:02 Firewall 208.254.18.130 61.x.x.x----UDP 53 Aug 22 15:54:11 Firewall 208.254.18.130 61.x.x.x----UDP 53 Source Address=208.254.75.130 Aug 22 15:53:32 Firewall 208.254.75.130 61.x.x.x----ICMP TYPE=8 Aug 22 15:53:42 Firewall 208.254.75.130 61.x.x.x----ICMP TYPE=8 Aug 22 15:53:52 Firewall 208.254.75.130 61.x.x.x----ICMP TYPE=8 Aug 22 15:54:02 Firewall 208.254.75.130 61.x.x.x----UDP 53 Aug 22 15:54:12 Firewall 208.254.75.130 61.x.x.x----UDP Peter Robinson Senior Security Engineer - Sydney DeMorgan Information Security Specialists robinson_p () demorgan com au, www.demorgan.com.au, Tel. 1800 336 674 Tel. +61 2 9929-0377 Fax +61 2 9499 4885 _______________________________________________ firewall-wizards mailing list firewall-wizards () honor icsalabs com http://honor.icsalabs.com/mailman/listinfo/firewall-wizards
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Current thread:
- New Script Kiddie tool ? Peter Robinson (Aug 22)
- RE: New Script Kiddie tool ? Kendall Risselada (Aug 23)
- Re: New Script Kiddie tool ? H. Morrow Long (Aug 23)
- Re: New Script Kiddie tool ? Jim MacLeod (Aug 23)
- X11 forwarding hermit921 (Aug 23)
- Re: X11 forwarding David Lang (Aug 23)
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- Re: X11 forwarding Kevin Steves (Aug 26)
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