[Oisf-devel] PCRE '/R' bug?

Edward Fjellskål edwardfjellskaal at gmail.com
Fri Jan 31 22:02:10 UTC 2014


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"/[a-z]{5}.html"/R"


is there a " to much?

E

On 01/31/2014 10:40 PM, Harley H wrote:
> Hello, I was going to submit this through Redmine but I'm not
> receiving the account activation email. I'm trying to write a rule
> like this:
> 
> alert tcp $HOME_NET any -> $EXTERNAL_NET $WEB_PORTS (msg: "Testing
> Rule"; content: "baduricontent"; http_raw_uri; pcre:
> "/[a-z]{5}.html"/R"; sid: 123; rev: 1;)
> 
> But am receiving this error message:
> 
> 31/1/2014 -- 16:19:25 - <Error> - [ERRCODE:
> SC_ERR_INVALID_SIGNATURE(39)] - No preceding content or uricontent
> or pcre option 31/1/2014 -- 16:19:25 - <Error> - [ERRCODE:
> SC_ERR_INVALID_SIGNATURE(39)] - error parsing signature "alert tcp
> $HOME_NET any -> $EXTERNAL_NET any (msg: "Testing URL"; content:
> "baduricontent"; http_raw_uri; pcre: "/[a-z]{5}\.html/R"; sid:
> 98765; rev: 1;)" from file 
> /root/Desktop/Local_Workspace/IDS_Rules/testing.rules at line 1
> 
> 
> When I get rid of 'http_raw_uri' and replace that 'content' with 
> 'uricontent' the same error message is produced.
> 
> -Harley
> 
> 
> 
> _______________________________________________ Suricata IDS Devel
> mailing list: oisf-devel at openinfosecfoundation.org Site:
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>
> 
Redmine: https://redmine.openinfosecfoundation.org/
> 
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