ET MALWARE 000Stealer CnC Checkin

Query · suricata

flow:established,to_server;
http.request_line;
content:"POST|20|/ping|20|"; startswith; fast_pattern;
http.content_type;
content:"application/x-www-form-urlencoded"; bsize:33;
http.content_len;
byte_test:0,=,36,0,string,dec;
http.request_body;
content:"key="; startswith;
pcre:"/^key=[A-F0-9]{32}$/";
Raw source ET MALWARE 000Stealer CnC Checkin · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE 000Stealer CnC Checkin";
    flow:established,to_server;
    http.request_line;
    content:"POST|20|/ping|20|"; startswith; fast_pattern;
    http.content_type;
    content:"application/x-www-form-urlencoded"; bsize:33;
    http.content_len;
    byte_test:0,=,36,0,string,dec;
    http.request_body;
    content:"key="; startswith;
    pcre:"/^key=[A-F0-9]{32}$/";
    reference:md5,3f9c1455992239f4efe31f0e56773433;
    reference:url,twitter.com/3xp0rtblog/status/1509978637189419008;
    classtype:trojan-activity;
    sid:2036306; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_22, deployment Perimeter, malware_family 000Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2022_04_22, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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