ET MALWARE MalDoc Retrieving Possible Ostap Payload

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".php?min=";
content:"&sin="; distance:0; fast_pattern;
content:"&p="; distance:0;
content:"&i="; distance:0;
content:"k="; distance:0;
content:"&r="; distance:0;
http.header_names;
content:!"Referer";
Raw source ET MALWARE MalDoc Retrieving Possible Ostap Payload · 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 MalDoc Retrieving Possible Ostap Payload";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".php?min=";
    content:"&sin="; distance:0; fast_pattern;
    content:"&p="; distance:0;
    content:"&i="; distance:0;
    content:"k="; distance:0;
    content:"&r="; distance:0;
    http.header_names;
    content:!"Referer";
    reference:md5,5824579789e3e7d5c3ad49b8652c80aa;
    classtype:trojan-activity;
    sid:2029553; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_03_02, deployment Perimeter, confidence Medium, signature_severity Major, updated_at 2020_03_02;
)

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