alert http $HTTP_SERVERS any -> $EXTERNAL_NET any (msg:"ET WEB_SERVER ATTACKER WebShell - Zehir4.asp - content"; flow:established,from_server; file_data; content:"<title>zehir3--> powered by zehir"; content:"Sistem Bilgileri"; content:"color=red>Local Adres</td"; content:"zehirhacker"; reference:url,pastebin.com/m44e60e60; reference:url,www.fidelissecurity.com/webfm_send/377; classtype:web-application-attack; sid:2018371; rev:2; metadata:created_at 2014_04_07, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)