ET MALWARE Win32/DarkWatchMan Checkin Activity (POST) M2

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/DarkWatchMan Checkin Activity (POST) M2";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/index.php"; endswith;
    http.header_names;
    content:"|0d 0a|X-Client-Id|0d 0a|X-Client-Controller|0d 0a|X-Client-Ut|0d 0a|";
    http.content_len;
    content:"8";
    reference:md5,1706c64156d873ebbd0c6ecac95fec39;
    reference:md5,79b824bb99b4cc4f5da880371de52977;
    reference:md5,b25b24998800da7b5cf17879f2eb83ed;
    reference:md5,d68180819bb8eb8207dc6ab74c1a4642;
    reference:md5,e0cdcf346e98aa22cac5dd6ad1ef53d5;
    reference:md5,ede6e26ab4fe6d35ddb58613fbdf6b97;
    reference:md5,1706c64156d873ebbd0c6ecac95fec39;
    reference:url,securityintelligence.com/x-force/new-hive0117-phishing-campaign-imitates-conscription-summons-deliver-darkwatchman-malware/;
    classtype:trojan-activity;
    sid:2048563; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_10_13, deployment Perimeter, malware_family DarkWatchman, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_10_13, reviewed_at 2024_10_15;
)