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;
)