alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Cheana Stealer Data Exfiltration Attempt"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:18; content:"/api/v1/attachment"; fast_pattern; http.user_agent; content:"python-requests/"; startswith; http.request_body; content:"name|3d 22|device|22|"; content:"name|3d 22|web_browser|22|"; reference:url,cyble.com/blog/new-cheana-stealer-targets-vpn-user/; classtype:trojan-activity; sid:2055450; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_08_23, deployment Perimeter, deployment SSLDecrypt, malware_family Cheana_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_08_23; target:src_ip;)