Snort mailing list archives
Understanding within
From: James Lay <jlay () slave-tothe-box net>
Date: Wed, 15 Aug 2012 11:13:13 -0600
No..this isn't a Zen message ;) Here's what I got...a boatload of eFax Blackhole exploit emails...so I thought I'd get some visibility into them with the following: alert tcp $EXTERNAL_NET any -> $HOME_NET 25 (msg:"SPECIFIC-THREATS possible Blackhole emailing"; flow:to_server, established; file_data; content:"<a href=|22|http:"; fast_pattern; pcre:"/\x2f[a-z]{8}\x2f/i"; classtype:trojan-activity; sid:10000018; rev:1;) I'm trying to tighten it down with within:30;, but I can't seem to get it to fire when I add it. My understanding using within is: content:"bleh"; content:"bleh again"; within:30; I know I'm missing something (no surprise there), but not sure what...any help would uh...help :) Thanks! James ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Snort-sigs mailing list Snort-sigs () lists sourceforge net https://lists.sourceforge.net/lists/listinfo/snort-sigs http://www.snort.org Please visit http://blog.snort.org for the latest news about Snort!
Current thread:
- Understanding within James Lay (Aug 15)
- Re: Understanding within lists () packetmail net (Aug 15)
- Re: Understanding within James Lay (Aug 15)
- Re: Understanding within Joel Esler (Aug 15)
- Re: Understanding within lists () packetmail net (Aug 15)
- Re: Understanding within James Lay (Aug 15)
- Re: Understanding within lists () packetmail net (Aug 15)
- Re: Understanding within Joel Esler (Aug 15)
- Re: Understanding within James Lay (Aug 15)
- Re: Understanding within James Lay (Aug 15)
- Re: Understanding within lists () packetmail net (Aug 15)