ET MALWARE StormKitty Data Exfil via Telegram

Query · suricata

flow:established,to_server;
http.host; bsize:16;
content:"api.telegram.org";
http.uri;
content:"/sendMessage?chat_id=";
content:"text=|0a|";
content:"|20 f0 9f|"; distance:0;
content:"*|0a|Date|3a 20|"; distance:0;
content:"|0a|System|3a 20|";
content:"|20|Bit)|0a|Username|3a 20|";
Raw source ET MALWARE StormKitty Data Exfil via Telegram · Suricata
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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 Data Exfil via Telegram";
    flow:established,to_server;
    http.host; bsize:16;
    content:"api.telegram.org";
    http.uri;
    content:"/sendMessage?chat_id=";
    content:"text=|0a|";
    content:"|20 f0 9f|"; distance:0;
    content:"*|0a|Date|3a 20|"; distance:0;
    content:"|0a|System|3a 20|";
    content:"|20|Bit)|0a|Username|3a 20|";
    reference:md5,00171267979ca2e972336e751a5725b7;
    reference:url,github.com/LimerBoy/StormKitty;
    classtype:command-and-control;
    sid:2031009; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_10_13, deployment Perimeter, deployment SSLDecrypt, malware_family StormKitty, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_13;
)

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