Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/SSLoad Tasking Result"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/api/"; startswith; pcre:"/^[a-f0-9]{8}-([a-f0-9]{4}-){3}[a-f0-9]{12}/R"; content:"/result"; endswith; http.referer; content:"|2a 2f 2a|"; bsize:3; http.content_type; content:"application/json"; bsize:16; http.request_body; content:"|7b 22|job_id|22 3a 22|"; startswith; fast_pattern; pcre:"/^[a-f0-9]{8}-([a-f0-9]{4}-){3}[a-f0-9]{12}/R"; content:"|22 2c 22|result|22 3a 22|"; within:49; pcre:"/^[a-zA-Z0-9+/=]{10}/R"; reference:md5,d6b0726de53f8a3da67a6e693485ca7a; reference:md5,ca303668b5420c022ef9c78ce1f2bfb7; classtype:trojan-activity; sid:2052168; 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 plaintext, created_at 2024_04_18, deployment Perimeter, malware_family SSLoad, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_04_18, reviewed_at 2025_07_14; target:src_ip;)