ET MALWARE Amadey Bot Activity (POST) M1

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
pcre:"/\.php\?scr=[0-9]$/";
http.content_type;
content:"multipart/form-data|3b 20|boundary=----"; startswith;
http.header_names;
content:!"Referer";
http.request_body;
content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|data|22 3b 20|filename=|22|"; fast_pattern;
content:".jpg|22 0d 0a|"; within:20;
target:src_ip;
Raw source ET MALWARE Amadey Bot Activity (POST) 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Amadey Bot Activity (POST) M1";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    pcre:"/\.php\?scr=[0-9]$/";
    http.content_type;
    content:"multipart/form-data|3b 20|boundary=----"; startswith;
    http.header_names;
    content:!"Referer";
    http.request_body;
    content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|data|22 3b 20|filename=|22|"; fast_pattern;
    content:".jpg|22 0d 0a|"; within:20;
    reference:md5,551db99ee591cc96a7eb9cb2d90ce3e5;
    reference:url,twitter.com/Gi7w0rm/status/1633851568482054146;
    classtype:trojan-activity;
    sid:2044597; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_03_14, deployment Perimeter, malware_family Amadey, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_17;
    target:src_ip;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.