ET MALWARE BunnyLoader Initial Connection (GET)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE BunnyLoader Initial Connection (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"|2e|php|3f|ipaddress|3d|"; fast_pattern;
    content:"&hostname="; distance:0;
    content:"&version="; distance:0;
    content:"&privileges="; distance:0;
    content:"&arch="; distance:0;
    content:"&antivirus"; distance:0;
    content:"&enc_key="; distance:0;
    reference:url,community.emergingthreats.net/t/new-signatures-bunnyloader/1468;
    reference:url,unit42.paloaltonetworks.com/analysis-of-bunnyloader-malware/;
    classtype:trojan-activity;
    sid:2051676; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_03_18, deployment Perimeter, malware_family BunnyLoader, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_18;
)