ET ADWARE_PUP Onestart AI Program Version Checkin (POST)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET ADWARE_PUP Onestart AI Program Version Checkin (POST)";
    flow:established,to_server;
    urilen:1;
    http.method;
    content:"POST";
    http.uri;
    content:"/";
    http.host; bsize:15;
    content:"log.onestart.ai"; fast_pattern;
    http.request_body;
    content:"|7b 22|action|22 3a 22|"; startswith;
    content:"|22 2c 22|iid|22 3a 22|"; distance:0;
    content:"|22 2c 22|name|22 3a 22|"; distance:0;
    content:"|22 2c 22|oldver|22 3a 22|"; distance:0;
    content:"|2c 22|ver|22 3a 22|"; distance:0;
    content:"|22 2c 22|wver|22 3a 22|"; distance:0;
    reference:url,community.emergingthreats.net/t/sigs-onestartai-pua/2422;
    reference:md5,1d599092628613f06912ec455ca61f96;
    classtype:pup-activity;
    sid:2059956; rev:2;
    metadata:affected_product Windows_Server_2025, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_02_07, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Adware, updated_at 2025_06_02, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1496, mitre_technique_name Resource_Hijacking;
)