ET EXPLOIT OpenMRS Deserialization Vulnerability CVE-2018-19276

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT OpenMRS Deserialization Vulnerability CVE-2018-19276";
    flow:to_server,established;
    urilen:19;
    http.method;
    content:"POST";
    http.uri;
    content:"/ws/rest/v1/concept"; fast_pattern;
    http.request_body;
    content:"<string>";
    content:"</string>"; distance:0;
    content:"<string>"; distance:0;
    content:"</string>"; distance:0;
    reference:url,www.rapid7.com/db/modules/exploit/multi/http/openmrs_deserialization;
    reference:cve,2018-19276;
    classtype:attempted-admin;
    sid:2030258; rev:2;
    metadata:affected_product Linux, attack_target IoT, created_at 2020_06_08, cve CVE_2018_19276, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_08;
)