ET SHELLCODE Possible Vertical Slash Unicode Heap Spray Attempt
Sourceet/open
CreatedJune 9, 2011
UpdatedApril 9, 2024
Classificationshellcode-detect
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET SHELLCODE Possible Vertical Slash Unicode Heap Spray Attempt"; flow:established,to_client; content:"|7C|u0"; nocase; content:"|7C|u0"; distance:1; within:4; pcre:"/\x7Cu0[a-d](\x7Cu0|0)[a-d]/\x7Cu0[a-d](\x7Cu0|0)[a-d]/i"; reference:url,www.darkreading.com/security/vulnerabilities/221901428/index.html; classtype:shellcode-detect; sid:2012969; rev:3; metadata:created_at 2011_06_09, performance_impact Moderate, confidence Medium, signature_severity Major, updated_at 2024_04_09;)
Metadata
created at2011_06_09
performance impactModerate
confidenceMedium
signature severityMajor
updated at2024_04_09
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