Re: RPC DCOM Exploit Rules

[Phil Wood <cpw () lanl gov>]

What are those two semi-colons doing in the byte_test rule?

On Thu, Aug 07, 2003 at 12:07:43PM -0700, Lance Lloyd wrote:
> Got these rules from isc.incidents.org but I can't seem to make them work.  Here's one example:
>
> alert tcp $EXTERNAL_NET any -> $HOME_NET 135 (msg:"NETBIOS DCERPC invalid bind attempt"; flow:to_server,established; 
> content:"|05|"; distance:0; within:1; content:"|0b|"; distance:1; within:1; byte_test:1,&;;,1,0,relative; 
> content:"|00|"; distance:21; within:1; classtype:attempted-dos; sid:2190; rev:1;) 
>
> My problem is with the byte_test: portion of the rule.  Snort errors out on this.  I contacted the author and he 
> thought maybe it was my snort version so I upgraded to 2.0.1 and am still receiving this error.
>
> Any help is appreciated.
>
> Lance
>
>
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-- 
Phil Wood, cpw () lanl gov



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