ET MALWARE SharpPanda APT Maldoc Activity

Query · suricata

flow:established,to_server;
http.uri;
content:"/Apricot"; startswith;
http.user_agent;
content:"Office";
http.host;
pcre:"/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/";
http.header_names;
content:!"Referer";
Raw source ET MALWARE SharpPanda APT Maldoc Activity · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE SharpPanda APT Maldoc Activity";
    flow:established,to_server;
    http.uri;
    content:"/Apricot"; startswith;
    http.user_agent;
    content:"Office";
    http.host;
    pcre:"/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/";
    http.header_names;
    content:!"Referer";
    reference:url,research.checkpoint.com/2021/chinese-apt-group-targets-southeast-asian-government-with-previously-unknown-backdoor/;
    reference:md5,1e9f1746c2dbea0df5017afdf8b94189;
    classtype:trojan-activity;
    sid:2033086; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_06_03, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_06_03;
)

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