alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/SSLoad Registration Activity (POST)"; flow:established,to_server; flowbits:set,ET.SSLoad1_1.Registration; http.method; content:"POST"; http.uri; bsize:12; content:"/api/gateway"; fast_pattern; http.referer; bsize:3; content:"|2a 2f 2a|"; http.request_body; content:"|7b 22|version|22 3a 22|"; startswith; content:"|22 2c 22|ip|22 3a 22|"; distance:0; content:"|22 2c 22|domain|22 3a 22|"; distance:0; content:"|22 2c 22|hostname|22 3a 22|"; distance:0; content:"|22 2c 22|arch|22 3a 22|"; distance:0; content:"|22 2c 22|os_version|22 3a 22|"; distance:0; content:"|22 2c 22|cur_user|22 3a 22|"; distance:0; content:"|22 2c 22|owner|22 3a 22|"; distance:0; reference:md5,d6b0726de53f8a3da67a6e693485ca7a; reference:md5,ca303668b5420c022ef9c78ce1f2bfb7; classtype:trojan-activity; sid:2052098; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_01_18, deployment Perimeter, malware_family SSLoad, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_04_18, former_sid 2856177; target:src_ip;)