ET MALWARE Mustang Panda APT Related Activity M2 (Response)

Query · suricata

flow:established,to_client;
flowbits:isset,ET.mustangpanda.numbymane;
http.stat_code;
content:"200";
http.header_names;
content:"|0d 0a|Content-Type|0d 0a|Content-Length|0d 0a 0d 0a|"; startswith; fast_pattern;
http.content_len;
byte_test:0,=,0,0,string,dec;
target:dest_ip;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET MALWARE Mustang Panda APT Related Activity M2 (Response) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Mustang Panda APT Related Activity M2 (Response)";
    flow:established,to_client;
    flowbits:isset,ET.mustangpanda.numbymane;
    http.stat_code;
    content:"200";
    http.header_names;
    content:"|0d 0a|Content-Type|0d 0a|Content-Length|0d 0a 0d 0a|"; startswith; fast_pattern;
    http.content_len;
    byte_test:0,=,0,0,string,dec;
    reference:url,twitter.com/StopMalvertisin/status/1635620870214352901;
    reference:url,twitter.com/t3ft3lb/status/1635597523434762240;
    reference:md5,15c74f8c597d2937abae779ee5ef95d7;
    reference:md5,821ec39800471963a4ccef10b587b8d6;
    classtype:trojan-activity;
    sid:2044642; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_03_16, deployment Perimeter, deployment SSLDecrypt, malware_family MustangPanda, malware_family NUMBYMANE, performance_impact Moderate, confidence High, signature_severity Major, tag TA416, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_16;
    target:dest_ip;
)

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