ET MALWARE ClickFix CnC Activity (POST)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE ClickFix CnC Activity (POST)";
    flow:established,to_server;
    urilen:9;
    http.method;
    content:"POST";
    http.uri;
    content:"/endpoint";
    http.header_names;
    content:"|0d 0a|Referer|0d 0a|"; nocase;
    http.request_body;
    content:"|7b 22|website|22 3a 22|"; startswith; fast_pattern;
    reference:url,proofpoint.com/us/blog/threat-insight/clipboard-compromise-powershell-self-pwn;
    classtype:trojan-activity;
    sid:2053774; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_06_20, deployment Perimeter, deployment SSLDecrypt, malware_family ClickFix, confidence High, signature_severity Major, tag c2, tag compromised_website, updated_at 2024_06_20, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
)