[Oisf-users] 答复: suricata do not support "xbits"

[Eric Leblond]

Hi,

On Mon, 2018-09-10 at 07:08 +0000, 苏 哲 wrote:
> is there anyone know how to use xbits?

Did you check :
https://suricata.readthedocs.io/en/suricata-4.0.5/rules/xbits.html

BR,

> 发件人: 苏 哲
> 发送时间: 2018年9月7日 6:01:23
> 收件人: Peter Manev
> 抄送: Open Information Security Foundation
> 主题: 答复: [Oisf-users] suricata do not support "xbits"
>  
> thank you for reply.
> 
> instead of "xbits:noalert", noalert works, no error. 
> now the error is  <Error> - [ERRCODE: SC_ERR_PCRE_MATCH(2)] -
> "isset,Metasploit.ContentKeeper.recon" is not a valid setting for
> xbits
> 
> Thanks
> Su
> 
> 发件人: Peter Manev <petermanev at gmail.com>
> 发送时间: 2018年9月7日 0:34
> 收件人: suzhe_ffgg at outlook.com
> 抄送: Open Information Security Foundation
> 主题: Re: [Oisf-users] suricata do not support "xbits"
>  
> On Fri, Sep 7, 2018 at 9:09 AM 苏 哲 <suzhe_ffgg at outlook.com> wrote:
> >
> >
> >
> >
> > Hi,
> >
> > I try suricata 4.0.5 and 4.1.0 and try "xbits" with this example, I
> receive error:
> >
> >
> > "noalert" is not a valid setting for xbits.
> >
> 
> instead of "xbits:noalert;"
> can you try just "noalert;" ?
> 
> > "isset,is_attack_step1" is not a valid setting for xbits.
> 
> That name  - "is_attack_step1" is not present/set anywhere in the
> example , is that expected ? (so it can naturally complain about it)
> 
> >
> >
> > I google xbits and those errors, but didn't find anyone talking
> about it.
> >
> >
> > is there anyone know what is the reason? and what should I do?
> >
> >
> > Thanks.
> >
> > Su
> >
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> 
> 
> 
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-- 
Eric Leblond <eric at regit.org>