alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Golang Easy Stealer Activiy M2 (POST)";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/apache"; bsize:7; fast_pattern;
http.user_agent;
content:"Go-http-client/"; nocase; startswith;
http.request_body;
pcre:"/^[0-9a-f]{32}\x3d/";
http.header_names;
content:!"Referer";
reference:url,www.bridewell.com/insights/blogs/detail/uncovering-the-easy-stealer-infostealer;
reference:md5,417cfabeee01bee425e071a9d8828170;
reference:md5,751f30fc1993b036c41fd04da011f3f9;
reference:md5,168c0f48ebdef510688ab5bd26412802;
classtype:trojan-activity;
sid:2048897; rev:1;
metadata:attack_target Client_Endpoint, created_at 2023_10_25, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_10_25, reviewed_at 2023_10_25;
target:src_ip;
)