alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TerraStealerV2 Data Exfil via WeTransfers"; flow:established,to_server; urilen:9; http.method; content:"POST"; http.uri; content:"/uplo.php"; startswith; http.host; bsize:14; content:"wetransfers.io"; http.request_body; content:"name|3d 22|zipFile|22 3b 20|filename|3d 22|output|2e|zip|22|"; content:"form|2d|data|3b 20|name|3d 22|username|22|"; content:"form|2d|data|3b 20|name|3d 22|totalwallets|22|"; fast_pattern; content:"form|2d|data|3b 20|name|3d 22|ip|22|"; reference:url,go.recordedfuture.com/hubfs/reports/cta-2025-0501.pdf; reference:url,community.emergingthreats.net/t/sigs-terrastealerv2/2695; reference:md5,ccdd5e4104d5aa3503a8fa9ef1455241; classtype:command-and-control; sid:2062097; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_05_02, deployment Perimeter, deployment SSLDecrypt, malware_family TerraStealer, confidence High, signature_severity Critical, tag c2, updated_at 2025_05_02, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)