alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED CoolEK Landing Aug 29 2013"; flow:established,from_server; file_data; content:".txt?e"; nocase; fast_pattern:only; content:"value"; nocase; pcre:"/^[\r\n\s\+]*?=[\r\n\s\+]*?(?P<q>[\x22\x27])((?!(?P=q)).)+?\.txt\?e=\d+(&[fh]=\d+)?(?P=q)/Ri"; classtype:exploit-kit; sid:2017396; rev:7; metadata:created_at 2013_08_29, signature_severity Unknown, updated_at 2021_06_23;)