ET MALWARE IndigoZebra APT BoxCaon DropBox Activity (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/2/files/create_folder_v2"; bsize:25;
http.header;
content:"Authorization|3a 20|Bearer|20|iioKFUvLMX0AAAAAAAAAARDKLMS9uW1ax9ogdxWVqMC582VLW-CVofMpeFTEVfhU|0d 0a|"; fast_pattern;
http.host;
content:"api.dropboxapi.com"; bsize:18;
Raw source ET MALWARE IndigoZebra APT BoxCaon DropBox Activity (POST) · 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 IndigoZebra APT BoxCaon DropBox Activity (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/2/files/create_folder_v2"; bsize:25;
    http.header;
    content:"Authorization|3a 20|Bearer|20|iioKFUvLMX0AAAAAAAAAARDKLMS9uW1ax9ogdxWVqMC582VLW-CVofMpeFTEVfhU|0d 0a|"; fast_pattern;
    http.host;
    content:"api.dropboxapi.com"; bsize:18;
    reference:md5,974201f7895967bff0b018b95d5f5f4b;
    reference:url,research.checkpoint.com/2021/indigozebra-apt-continues-to-attack-central-asia-with-evolving-tools/;
    classtype:command-and-control;
    sid:2033220; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_07_02, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_02;
)

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