alert http1 $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE [PTsecurity] Tinba (Banking Trojan) HTTP Header"; flow:established,to_server; http.method; content:"POST"; http.user_agent; content:"Mozilla/5.0 (compatible|3b 20|MSIE 10.0|3b 20|Windows NT 6.1|3b 20|Trident/6.0)"; startswith; fast_pattern; http.request_body; pcre:"/^[\x20-\x7e\r\n]{0,20}[^\x20-\x7e\r\n]/"; http.content_len; byte_test:0,>,1000,0,string,dec; byte_test:0,<,2000,0,string,dec; http.header_names; content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a|Content-Length|0d 0a|Cache-Control|0d 0a 0d 0a|"; startswith; classtype:trojan-activity; sid:2026001; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_08_20, deployment Perimeter, confidence High, signature_severity Major, tag Tinba, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_14;)