alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE WorldWind Stealer Checkin via Telegram (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/bot"; startswith; content:"/sendMessage?"; content:"text=|0a 20 20 f0 9f 8c aa 20 2a|WorldWind|20|"; fast_pattern; http.host; bsize:16; content:"api.telegram.org"; reference:md5,0150db9d2e51370ba07c48a69949d4d6; reference:url,twitter.com/suyog41/status/1634148419844337666; classtype:trojan-activity; sid:2044766; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_26, deployment Perimeter, deployment SSLDecrypt, malware_family WorldWind_Stealer, performance_impact Low, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_28; target:src_ip;)