ET MALWARE CHStealer getshortinfo Command CnC Checkin

Query · suricata

flow:established,to_client;
dsize:<50;
content:"/getshortinfo"; endswith; fast_pattern;
target:dest_ip;
Raw source ET MALWARE CHStealer getshortinfo Command CnC Checkin · 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 tcp-pkt $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE CHStealer getshortinfo Command CnC Checkin";
    flow:established,to_client;
    dsize:<50;
    content:"/getshortinfo"; endswith; fast_pattern;
    reference:md5,2a091a17e58b609faebf0e349c7d0b63;
    classtype:trojan-activity;
    sid:2061719; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_and_Server, tls_state plaintext, created_at 2025_04_17, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2025_04_17, mitre_tactic_id TA0037, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
    target:dest_ip;
)

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