Offer sig for detect IISv6 WebDAV If header overflow

[rmkml <rmkml () ligfy org>]

Hello,

First, thx edwardz246003 for sharing exploit,

Please check sig for detecting IISv6 WebDAV If header overflow:

alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"WEB-MISC IIS v6 WebDAV ScStoragePathFromUrl overflow 
attempt"; flow:to_server,established;
content:"PROPFIND"; nocase; http_method; content:"|0a|If|3a|"; nocase; http_raw_header; isdataat:1000,relative; 
content:!"|0A|"; http_raw_header;
within:1000; reference:cve,2017-7269; reference:url,github.com/edwardz246003/IIS_exploit;
classtype:web-application-attack; sid:1; rev:1;)

Please check vars and send any comments.

Best Regards
@Rmkml

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