ET MALWARE Win32/Grandoreiro Sending System Information (POST)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Grandoreiro Sending System Information (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php?MD="; fast_pattern;
    content:"&OUT="; distance:0;
    content:"&SO="; distance:0;
    content:"&AV="; distance:0;
    content:"&PC="; distance:0;
    http.header_names;
    content:!"Referer";
    http.user_agent;
    content:"|28|compatible|3b 20|Clever|20|Internet|20|Suite|29|"; endswith;
    reference:md5,9b1160a7c9a6b94effe25fd4e04797d3;
    reference:url,twitter.com/ankit_anubhav/status/1555478491667107840;
    reference:url,www.zscaler.com/blogs/security-research/grandoreiro-banking-trojan-new-ttps-targeting-various-industry-verticals;
    classtype:trojan-activity;
    sid:2038618; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_08_25, deployment Perimeter, malware_family Grandoreiro, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_02_27, reviewed_at 2024_12_02;
)