alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Shai-Hulud (Here We Go Again) NPM Malware Github Repository Creation";
flow:established,to_server;
http.uri;
content:"/repos"; endswith;
http.host;
content:"github";
http.request_body;
content:"|22|Shai-Hulud|3a| Here We Go Again|22|"; fast_pattern;
http.method;
content:"POST";
reference:url,research.jfrog.com/post/shai-hulud-is-back-august/;
classtype:command-and-control;
sid:2071385; rev:1;
metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_08_04, deployment Perimeter, malware_family Shai_Hulud, performance_impact Low, confidence Medium, signature_severity Critical, updated_at 2026_08_04;
)