[Snort-sigs] Fw: Snort Rules

Ned Moran ned at ...3764...
Fri Feb 15 10:03:54 EST 2013


http://www.snort.org/docs

sid is unique id.

-ned

On 2/15/13 9:49 AM, alex dina wrote:
> I am new to writing Snort rules, is there a manual, book or URL you can recommend to brush up on this? what about the sid:4200455 in the rule? 
>   
>
> ________________________________
>  From: waldo kitty <wkitty42 at ...3507...>
> To: snort-sigs at lists.sourceforge.net 
> Sent: Thursday, February 14, 2013 7:24 PM
> Subject: Re: [Snort-sigs] Fw: Snort Rules
>   
> On 2/14/2013 17:28, alex dina wrote:
>> Also, can you please explain what these rule are looking for in a data packet?
>> Thank you!
>>
>> alert tcp any any -> any any (msg:"Taidoor trojan - notify Threat Cell";
>> content:"GET /"; content:".asp?est="; content:"&hn="; content:"&ha=";
>> sid:4200455; rev:1;)
>
> what is there to explain? it is very simple... it is looking for content blocks 
> of the following...
>
>    GET /
>    .asp?est=
>    &hn=
>    &ha=
>
> all must appear in the same packet...
>
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