alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Horabot CnC Host Details Exfil"; flow:established,to_server; urilen:<14; http.method; content:"POST"; http.uri; content:"/index.php"; endswith; pcre:"/^\x2f[a-zA-Z0-9]{2,3}\x2findex\x2ephp$/"; http.header; content:"|0d 0a|Expect|3a 20|100-continue|0d 0a|"; http.request_body; bsize:<120; content:"AT="; startswith; content:"-Bit|20|CPU|20 20 20|"; endswith; fast_pattern; reference:md5,1484c908cc1819798beed27c9531f24a; reference:url,twitter.com/pollo290987/status/1790815864247214389; classtype:trojan-activity; sid:2052638; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_05_16, deployment Perimeter, malware_family Horabot, confidence High, signature_severity Critical, updated_at 2024_05_16, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)