alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MalDoc Retrieving Possible Ostap Payload"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".php?min="; content:"&sin="; distance:0; fast_pattern; content:"&p="; distance:0; content:"&i="; distance:0; content:"k="; distance:0; content:"&r="; distance:0; http.header_names; content:!"Referer"; reference:md5,5824579789e3e7d5c3ad49b8652c80aa; classtype:trojan-activity; sid:2029553; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_03_02, deployment Perimeter, confidence Medium, signature_severity Major, updated_at 2020_03_02;)