Rule History

SID: 2018577 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 2 • Jun 17, 2014, 12:00 PM

Message:

ET EXPLOIT_KIT Safe/CritX/FlashPack EK Secondary Landing 2

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT Safe/CritX/FlashPack EK Secondary Landing 2"; flow:established,to_client; file_data; content:"/[a-z]/gi"; fast_pattern; content:"substring"; pcre:"/^(?:[\x22\x27]\s*?\])?\s*?$\s*?(?P<num>\d+)\s*?\*\s*?(?P<cnt>\w+)\s*?,\s*?(?P=num)\s*?\*\s*?(?P=cnt)\s*?\+\s*?(?P=num)\s*?$\s*?,\s*?\d+\s*?\)/Rsi"; content:"="; pcre:"/^\s*?[\x22\x27][A-Za-z0-9\s]{500}/Rsi"; classtype:exploit-kit; sid:2018577; rev:2; metadata:created_at 2014_06_17, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Jun 17, 2014, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 6, 2025, 4:34 PM

Filename:

rules/emerging-exploit_kit.rules