Rule History

alert http $HOME_NET any -> $EXTERNAL_NET 1024: (msg:"ET MOBILE_MALWARE Android Chameleon Banking Trojan Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/api/v1/bots/"; startswith; fast_pattern; http.user_agent; content:"Mozilla/5.0"; bsize:11; http.header_names; content:!"Referer|0d 0a|"; http.request_body; content:"&data="; startswith; content:"|25 32 32|ip|25 32 32|"; distance:0; content:"|25 32 32|country|25 32 32|"; distance:0; content:"|25 32 32|location|25 32 32|"; distance:0; content:"|25 32 32|version|25 32 32|"; distance:0; content:"|25 32 32|imei|25 32 32|"; distance:0; content:"|25 32 32|number|25 32 32|"; distance:0; reference:md5,797e22c4350bacd8796a398b3ac1ac5c; reference:url,www.threatfabric.com/blogs/android-banking-trojan-chameleon-is-back-in-action; classtype:trojan-activity; sid:2051764; rev:1; metadata:attack_target Client_Endpoint, tls_state plaintext, created_at 2024_03_22, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_22; target:src_ip;)