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SID: 2058058 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1Nov 23, 2024, 12:00 PM

ET HUNTING JavaScript Engine JIT Forcing Observed - Investigate Possible Exploitation M7

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING JavaScript Engine JIT Forcing Observed - Investigate Possible Exploitation M7"; flow:established,to_client; http.stat_code; content:"200"; file.data; content:"let"; fast_pattern; pcre:"/^\s*(?P<counter>[\w\-]{1,20})\s*=\s*\d+\s*\x3b\s*(?P=counter)\s*<\s*(0x[a-f0-9]{3,12}|\d{4,12})\s*\x3b\s*(?P=counter)\+{2}\s*\).{1,100}\x7d/Rsi"; classtype:unknown; sid:2058058; rev:1; metadata:created_at 2024_11_23, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_12_04, former_sid 2859131;)

Nov 23, 2024, 12:00 PM

Dec 4, 2024, 12:00 PM

Dec 6, 2024, 12:34 AM

Jul 7, 2025, 9:34 PM

rules/emerging-hunting.rules