ET MALWARE MSIL/KeyRedirEx Banker Receiving Exit Instruction

Query · suricata

flow:established,from_server;
http.stat_code;
content:"200";
file.data;
content:"EXIT|3b|"; depth:5; fast_pattern; endswith;
Raw source ET MALWARE MSIL/KeyRedirEx Banker Receiving Exit Instruction · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE MSIL/KeyRedirEx Banker Receiving Exit Instruction";
    flow:established,from_server;
    http.stat_code;
    content:"200";
    file.data;
    content:"EXIT|3b|"; depth:5; fast_pattern; endswith;
    reference:md5,ec33cc6cb625197587410840bce5983b;
    reference:url,otx.alienvault.com/pulse/5bd339328f32ad2db2e03f1a;
    classtype:trojan-activity;
    sid:2026564; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_29, deployment Perimeter, malware_family KeyRedirEx, performance_impact Low, confidence High, signature_severity Major, tag Banker, updated_at 2020_09_16;
)

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