ET MALWARE SYS01 Information Stealer - CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"?a=http&dev=1&v="; fast_pattern;
content:"machine_id=";
content:"from=SYS01";
content:"tag=";
content:"uname=";
content:"mt=";
content:"f=";
Raw source ET MALWARE SYS01 Information Stealer - CnC Checkin · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE SYS01 Information Stealer - CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"?a=http&dev=1&v="; fast_pattern;
    content:"machine_id=";
    content:"from=SYS01";
    content:"tag=";
    content:"uname=";
    content:"mt=";
    content:"f=";
    reference:url,blog.morphisec.com/sys01stealer-facebook-info-stealer;
    classtype:trojan-activity;
    sid:2044505; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_07, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_07;
)

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