ET MALWARE Win32/Mole Ransomware CnC Beacon

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php";
http.request_body;
content:"guid="; depth:5; fast_pattern;
content:"&ver="; distance:0;
pcre:"/^guid=[^&]+?&ver=[^&]+?(?:&fc=[^\r\n]+)?$/i";
http.header_names;
content:!"Referer|0d 0a|";
content:!"User-Agent|0d 0a|";
Raw source ET MALWARE Win32/Mole Ransomware CnC Beacon · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Mole Ransomware CnC Beacon";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php";
    http.request_body;
    content:"guid="; depth:5; fast_pattern;
    content:"&ver="; distance:0;
    pcre:"/^guid=[^&]+?&ver=[^&]+?(?:&fc=[^\r\n]+)?$/i";
    http.header_names;
    content:!"Referer|0d 0a|";
    content:!"User-Agent|0d 0a|";
    reference:url,isc.sans.edu/forums/diary/Malspam+on+20170411+pushes+yet+another+ransomware+variant/22290/;
    reference:md5,31c2e85ef5e4c0009e1f18794527b4ca;
    classtype:command-and-control;
    sid:2024203; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_04_12, deployment Perimeter, malware_family Ransomware, malware_family Mole, confidence High, signature_severity Major, tag c2, updated_at 2020_08_05, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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