alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Babax Stealer Exfil via Telegram"; flow:established,to_server; http.request_line; content:"POST /bot"; startswith; content:"/sendDocument?chat_id="; distance:0; content:"&caption=%E2%98%A0%EF%B8%8F%20Brought%20you%20by%20Babax"; fast_pattern; http.host; bsize:16; content:"api.telegram.org"; http.request_body; content:"|2e|logs|22 0d 0a|Content-Type|3a 20|application/x-ms-dos-executable|0d 0a 0d 0a|PK"; reference:md5,7413dfd6fc0eed1927e1d44c23b80571; reference:url,twitter.com/Pyhoma07/status/1279758745560584195; classtype:command-and-control; sid:2030805; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_08_27, deployment Perimeter, deployment SSLDecrypt, malware_family Babax, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_27;)