alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TyphonStealer Exfil via Telegram"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"|0a 0a f0 9f 91 a4 20|User|20|details|3a 0a|Date|3a|"; nocase; fast_pattern; content:"|0a 0a f0 9f a5 b7 20|System|20|info|3a 0a|"; content:"Network|20|Details|3a|"; nocase; content:"Location|20|Details|3a|"; nocase; content:"Important|20|Details|3a|"; nocase; http.host; content:"api.telegram.org"; reference:url,twitter.com/suyog41/status/1647937033933914113; reference:md5,8581eae9949adfdce9a7bf6ae5ae0141; classtype:trojan-activity; sid:2044966; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_04_17, deployment Perimeter, deployment SSLDecrypt, malware_family TyphoonStealer, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_17;)