alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE Trojan-Spy.AndroidOS.Femas.b Apps List Exfil"; flow:established,to_server; http.method; content:"POST"; nocase; http.uri; content:"/functions.php"; fast_pattern; http.user_agent; content:"|3b 20|Android|20|"; http.request_body; content:"apslst="; startswith; reference:md5,4ddf3ff57db24513a16eacb99ad07675; reference:url,securelist.com/blog/incidents/77562/breaking-the-weakest-link-of-the-strongest-chain/; classtype:trojan-activity; sid:2023934; rev:6; metadata:affected_product Android, attack_target Client_Endpoint, created_at 2017_02_16, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Android, updated_at 2024_04_13;)