GPL SQL mdsys.sdo_admin.sdo_code_size buffer overflow attempt

Query · suricata

flow:to_server,established;
content:"mdsys.sdo_admin.sdo_code_size"; nocase;
isdataat:1024,relative;
pcre:"/((\w+)[\r\n\s]*\x3a=[\r\n\s]*(\x27[^\x27]{1024,}\x27|\x22[^\x22]{1024,}\x22)[\r\n\s]*\x3b.*layer[\r\n\s]*=>[\r\n\s]*\2|layer\s*=>\s*(\x27[^\x27]{1024,}|\x22[^\x22]{1024,})|\(\s*(\x27[^\x27]{1024,}|\x22[^\x22]{1024,}))/si";
Raw source GPL SQL mdsys.sdo_admin.sdo_code_size buffer overflow attempt · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET any -> $SQL_SERVERS $ORACLE_PORTS (
    msg:"GPL SQL mdsys.sdo_admin.sdo_code_size buffer overflow attempt";
    flow:to_server,established;
    content:"mdsys.sdo_admin.sdo_code_size"; nocase;
    isdataat:1024,relative;
    pcre:"/((\w+)[\r\n\s]*\x3a=[\r\n\s]*(\x27[^\x27]{1024,}\x27|\x22[^\x22]{1024,}\x22)[\r\n\s]*\x3b.*layer[\r\n\s]*=>[\r\n\s]*\2|layer\s*=>\s*(\x27[^\x27]{1024,}|\x22[^\x22]{1024,})|\(\s*(\x27[^\x27]{1024,}|\x22[^\x22]{1024,}))/si";
    classtype:attempted-user;
    sid:2102681; rev:3;
    metadata:created_at 2010_09_23, confidence High, signature_severity Major, updated_at 2019_07_26;
)

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