alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Socelars Stealer CnC Activity"; flow:established,to_server; http.request_line; content:"POST / HTTP/1.1|0d 0a|"; bsize:17; http.request_body; content:"JSON=d0hy65aW"; startswith; fast_pattern; http.header_names; content:!"Referer"; content:!"Accept"; reference:md5,81a7f493c7b5a7c52ac19981a75f57df; classtype:command-and-control; sid:2030224; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_05_27, deployment Perimeter, malware_family Soclears, confidence High, signature_severity Major, updated_at 2020_05_27;)