alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE [ANY.RUN] Konni.APT Exfiltration"; flow:established,to_server; urilen:11; http.method; content:"POST"; http.uri; content:"/upload.php"; http.content_type; content:"application/x-www-form-urlencoded"; startswith; http.request_body; content:"fn="; content:"&fd="; distance:0; content:"&r=63"; distance:0; http.header_names; content:"|0d 0a|Content-Type|0d 0a|Host|0d 0a|Content-Length|0d 0a|Expect|0d 0a|Connection|0d 0a 0d 0a|"; bsize:60; fast_pattern; threshold:type limit,track by_dst,seconds 1300,count 1; reference:md5,cc4aeb24de3cf447f4902de124f61a59; reference:url,app.any.run/tasks/94d2285e-c039-4ae1-8fcb-debd62fdc096; reference:url,community.emergingthreats.net/t/konni-apt/765; classtype:trojan-activity; sid:2046820; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_07_14, deployment Perimeter, confidence High, signature_severity Critical, tag Konni, updated_at 2023_09_01;)