ET SHELLCODE JavaScript Redefinition of a HeapLib Object - Likely Malicious Heap Spray Attempt
Sourceet/open
CreatedJune 30, 2011
UpdatedJuly 26, 2019
Classificationshellcode-detect
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET SHELLCODE JavaScript Redefinition of a HeapLib Object - Likely Malicious Heap Spray Attempt"; flow:established,to_client; content:"heap|2E|"; nocase; fast_pattern:only; pcre:"/var\x20[^\n\r]*\x3D[^\n\r]*heap\x2E/smi"; classtype:shellcode-detect; sid:2013148; rev:3; metadata:created_at 2011_06_30, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Metadata
created at2011_06_30
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2019_07_26
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