Rule History

SID: 2020987 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 2 • Apr 24, 2015, 12:00 PM

Message:

ET EXPLOIT_KIT Download file with Powershell via LNK file (observed in Sundown EK)

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT Download file with Powershell via LNK file (observed in Sundown EK)"; flow:established,from_server; file_data; content:"|4c 00 00 00|"; within:4; content:"c|00|m|00|d|00|.|00|e|00|x|00|e"; nocase; content:"P|00|o|00|w|00|e|00|r|00|S|00|h|00|e|00|l|00|l"; nocase; content:"D|00|o|00|w|00|n|00|l|00|o|00|a|00|d|00|F|00|i|00|l|00|e"; nocase; classtype:exploit-kit; sid:2020987; rev:2; metadata:created_at 2015_04_24, signature_severity Major, updated_at 2019_07_26;)

Created:

Apr 24, 2015, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-exploit_kit.rules