ET MALWARE Ailurophile Infostealer Data Exfiltration Attempt M1


Query · suricata

flow:established,to_server;
flowbits:set,ET.Ailurophile.Exfil;
http.method;
content:"POST";
http.uri; bsize:11;
content:"/upload.php";
http.request_body;
content:"Content-Disposition|3a 20|form-data|3b 20|name|3d 22|file|22 3b 20|filename|3d 22|";
content:"|5c 5c|AppData|5c 5c|Local|5c 5c|Ailurophile.zip"; fast_pattern; within:100;
content:"PK"; within:50;
content:"Ailurophile/PK"; within:50;
target:src_ip;

Rule dependencies

Feeds into

  • 2 rules read ET.Ailurophile.Exfil · view all
Raw source ET MALWARE Ailurophile Infostealer Data Exfiltration Attempt 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 Ailurophile Infostealer Data Exfiltration Attempt M1";
    flow:established,to_server;
    flowbits:set,ET.Ailurophile.Exfil;
    http.method;
    content:"POST";
    http.uri; bsize:11;
    content:"/upload.php";
    http.request_body;
    content:"Content-Disposition|3a 20|form-data|3b 20|name|3d 22|file|22 3b 20|filename|3d 22|";
    content:"|5c 5c|AppData|5c 5c|Local|5c 5c|Ailurophile.zip"; fast_pattern; within:100;
    content:"PK"; within:50;
    content:"Ailurophile/PK"; within:50;
    reference:url,www.gdatasoftware.com/blog/2024/08/38005-ailurophile-infostealer;
    classtype:trojan-activity;
    sid:2055347; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_08_19, deployment Perimeter, malware_family Ailurophile_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_08_19;
    target:src_ip;
)

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