ET MALWARE StormKitty Exfil via AnonFiles

Query · suricata

flow:established,to_server;
http.start;
content:"POST /upload?token=43a7df2f0395152e HTTP/1.1|0d 0a|Content-Type|3a 20|multipart/form-data|3b|"; startswith; fast_pattern;
http.host;
content:"api.anonfiles.com"; bsize:17;
Raw source ET MALWARE StormKitty Exfil via AnonFiles · 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 StormKitty Exfil via AnonFiles";
    flow:established,to_server;
    http.start;
    content:"POST /upload?token=43a7df2f0395152e HTTP/1.1|0d 0a|Content-Type|3a 20|multipart/form-data|3b|"; startswith; fast_pattern;
    http.host;
    content:"api.anonfiles.com"; bsize:17;
    reference:md5,74d2206a0f29c6d975cba20028284ca2;
    classtype:command-and-control;
    sid:2031020; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_10_14, deployment Perimeter, deployment SSLDecrypt, malware_family StormKitty, performance_impact Low, confidence High, signature_severity Major, updated_at 2020_10_14;
)

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.