ET MALWARE Trojan-PSW.Win32.Stealer.sb CnC

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.request_line;
content:"GET /AH/ HTTP/1.0"; fast_pattern;
http.header;
pcre:"/^Referer\x3a\x20[a-zA-Z0-9_\-.]+\x28[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9]\x29\w+\x0d\x0a/";
content:"Referer";
http.connection;
content:"Keep-Alive";
Raw source ET MALWARE Trojan-PSW.Win32.Stealer.sb CnC · 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 Trojan-PSW.Win32.Stealer.sb CnC";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.request_line;
    content:"GET /AH/ HTTP/1.0"; fast_pattern;
    http.header;
    pcre:"/^Referer\x3a\x20[a-zA-Z0-9_\-.]+\x28[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9]\x29\w+\x0d\x0a/";
    content:"Referer";
    http.connection;
    content:"Keep-Alive";
    reference:md5,b6796c1e9e454517c14da454c23c0ef5;
    classtype:command-and-control;
    sid:2036962; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2022_06_10, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_03, reviewed_at 2024_06_17;
)

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