alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TeleBots BCS-server User-Agent"; flow:established,to_server; http.method; content:"POST"; http.user_agent; bsize:12; content:"Mozilla/5.0|3b|"; fast_pattern; http.header_names; to_lowercase; content:!"|0d 0a|content-type|0d 0a|"; content:!"|0d 0a|referer|0d 0a|"; reference:url,www.welivesecurity.com/2016/12/13/rise-telebots-analyzing-disruptive-killdisk-attacks/; classtype:trojan-activity; sid:2023653; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_12_15, deployment Perimeter, malware_family TeleBots_payload, confidence High, signature_severity Major, updated_at 2024_04_29;)