ET MALWARE Perfect Keylogger FTP Initial Install Log Upload (Null obfuscated)

Query · suricata

flow:established,to_server;
content:"C|00|o|00|n|00|g|00|r|00|a|00|t|00|u|00|l|00|a|00|t|00|i|00|o|00|n|00|s|00|!|00| |00|P|00|e|00|r|00|f|00|e|00|c|00|t|00| |00|K|00|e|00|l|00|o|00|g|00|g|00|e|00|r|00| |00|w|00|a|00|s|00| |00|s|00|u|00|c|00|c|00|e|00|s|00|s|00|f|00|u|00|l|00|l|00|y|00| |00|i|00|n|00|s|00|t|00|a|00|l|00|l|00|e|00|d|00|";
Raw source ET MALWARE Perfect Keylogger FTP Initial Install Log Upload (Null obfuscated) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (
    msg:"ET MALWARE Perfect Keylogger FTP Initial Install Log Upload (Null obfuscated)";
    flow:established,to_server;
    content:"C|00|o|00|n|00|g|00|r|00|a|00|t|00|u|00|l|00|a|00|t|00|i|00|o|00|n|00|s|00|!|00| |00|P|00|e|00|r|00|f|00|e|00|c|00|t|00| |00|K|00|e|00|l|00|o|00|g|00|g|00|e|00|r|00| |00|w|00|a|00|s|00| |00|s|00|u|00|c|00|c|00|e|00|s|00|s|00|f|00|u|00|l|00|l|00|y|00| |00|i|00|n|00|s|00|t|00|a|00|l|00|l|00|e|00|d|00|";
    classtype:trojan-activity;
    sid:2008327; rev:2;
    metadata:created_at 2010_07_30, confidence High, signature_severity Major, updated_at 2019_07_26, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1027, mitre_technique_name Obfuscated_Files_or_Information;
)

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