ET MALWARE MassLogger Client Exfil (POST) M3

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE MassLogger Client Exfil (POST) M3";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/?/upload"; endswith; fast_pattern;
    http.content_type;
    content:"application/json"; bsize:16;
    http.request_body;
    content:"{|22|ID|22 3a 22|"; startswith;
    content:"|22 2c 22|User|22 3a 22|";
    content:"|22 2c 22|Country|22 3a 22|";
    content:"|22 2c 22|Date|22 3a 22|";
    content:"|22 2c 22|Image|22 3a|";
    http.header_names;
    content:!"User-Agent";
    content:!"Referer";
    content:!"Accept";
    reference:url,twitter.com/James_inthe_box/status/1305509852362338304;
    reference:url,app.any.run/tasks/010a8af5-97bd-4e27-961d-8d202a9d6f29/;
    reference:md5,0a838f0ecff085eb611e41acf78a9682;
    classtype:trojan-activity;
    sid:2030878; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2020_09_14, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_22;
)