ET MALWARE X-Files Stealer CnC Exfil Activity M1

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/log.php"; endswith;
http.request_body;
content:"form-data|3b 20|name=userfile|3b 20|filename=";
content:"Stealer|5c|"; distance:0; fast_pattern;
Raw source ET MALWARE X-Files Stealer CnC Exfil Activity M1 · 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 X-Files Stealer CnC Exfil Activity M1";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/log.php"; endswith;
    http.request_body;
    content:"form-data|3b 20|name=userfile|3b 20|filename=";
    content:"Stealer|5c|"; distance:0; fast_pattern;
    reference:md5,b572ed0bf3030cbb18d8af16e2c7e2c2;
    classtype:trojan-activity;
    sid:2032333; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_03_26, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_03_26;
)

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