ET SHELLCODE Double BackSlash Hex Obfuscated JavaScript Heap Spray 0d0d0d0d

Query · suricata

flow:established,to_client;
content:"|5C 5C|x0d|5C 5C|x0d|5C 5C|x0d|5C 5C|x0d"; nocase; fast_pattern;
Raw source ET SHELLCODE Double BackSlash Hex Obfuscated JavaScript Heap Spray 0d0d0d0d · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET SHELLCODE Double BackSlash Hex Obfuscated JavaScript Heap Spray 0d0d0d0d";
    flow:established,to_client;
    content:"|5C 5C|x0d|5C 5C|x0d|5C 5C|x0d|5C 5C|x0d"; nocase; fast_pattern;
    reference:url,www.darkreading.com/security/vulnerabilities/221901428/index.html;
    classtype:shellcode-detect;
    sid:2013277; rev:3;
    metadata:created_at 2011_07_14, confidence High, signature_severity Major, updated_at 2019_10_08, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1027, mitre_technique_name Obfuscated_Files_or_Information;
)

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