alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET PHISHING EvilTokens Fetch Valid user_code from Microsoft API";
flow:established,to_server;
flowbits:set,ET.EvilTokens;
http.method;
content:"POST";
http.uri; bsize:17;
content:"/api/device/start";
http.header;
content:"x-antibot-token"; fast_pattern; nocase; depth:15;
reference:url,blog.sekoia.io/new-widespread-eviltokens-kit-device-code-phishing-as-a-service-part-1/;
classtype:credential-theft;
sid:2068629; rev:1;
metadata:affected_product MS_Outlook, affected_product Microsoft_OneDrive, affected_product Microsoft_Exchange, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_04_07, deployment Perimeter, confidence High, signature_severity Critical, tag EvilTokens, updated_at 2026_04_08;
)