alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MOBILE_MALWARE Trojan-Banker.AndroidOS.Marcher Sending Credit Card Info";
flow:to_server,established;
http.method;
content:"POST"; nocase;
http.uri;
content:"/cards_json.php"; endswith;
http.request_body;
content:"bot_id="; depth:7; fast_pattern;
content:"&info=";
content:"cardNum";
pcre:"/^bot_id=[a-f0-9]{32}&/";
http.header_names;
content:!"Referer|0d 0a|";
reference:md5,78c2444fe15a8e58c629076781d9442a;
reference:url,blog.fortinet.com/2016/11/01/android-banking-malware-masquerades-as-flash-player-targeting-large-banks-and-popular-social-media-apps;
classtype:trojan-activity;
sid:2023483; rev:4;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_11_03, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Android, updated_at 2020_08_03;
)