ET MALWARE Redline Stealer/MetaStealer Family Activity (Response)

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (
    msg:"ET MALWARE Redline Stealer/MetaStealer Family Activity (Response)";
    flow:established,to_client;
    content:"tempuri.org|2f|";
    content:"|25|userprofile|25|"; nocase;
    content:"|2a 2e 74 78 74 2c 2a 2e 64 6f 63 2a 2c 2a 6b 65 79 2a 2c 2a 77 61 6c 6c 65 74 2a 2c 2a 73 65 65 64 2a|"; fast_pattern; distance:0;
    reference:md5,022ffcaf0d05a9f02b4199f44c40d86a;
    classtype:trojan-activity;
    sid:2046056; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, created_at 2023_06_02, deployment Perimeter, malware_family Stealer, malware_family Redline, malware_family MetaStealer, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_01_09, mitre_tactic_id TA0009, mitre_tactic_name Collection, mitre_technique_id T1005, mitre_technique_name Data_from_local_system;
    target:src_ip;
)