ET MALWARE LiteLLM & Telnyx Supply Chain (TeamPCP) Exfiltration

Query · suricata

flow:established,to_server;
http.header;
content:"X-Filename|3a 20|tpcp.tar.gz|0d 0a|"; fast_pattern;
http.content_type;
content:"application/octet-stream";
http.method;
content:"POST";
Raw source ET MALWARE LiteLLM & Telnyx Supply Chain (TeamPCP) Exfiltration · 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 -> any any (
    msg:"ET MALWARE LiteLLM & Telnyx Supply Chain (TeamPCP) Exfiltration";
    flow:established,to_server;
    http.header;
    content:"X-Filename|3a 20|tpcp.tar.gz|0d 0a|"; fast_pattern;
    http.content_type;
    content:"application/octet-stream";
    http.method;
    content:"POST";
    reference:url,www.trendmicro.com/en_us/research/26/c/teampcp-telnyx-attack-marks-a-shift-in-tactics.html;
    classtype:trojan-activity;
    sid:2068902; rev:1;
    metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_04_22, deployment Perimeter, confidence High, signature_severity Major, updated_at 2026_04_22;
)

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