Rule History

SID: 2012504 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 8 • Mar 15, 2011, 12:00 PM

Message:

ET MALWARE Excel with Embedded .emf object downloaded

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Excel with Embedded .emf object downloaded"; flow:established,to_client; file_data; content:"|0D 0A 0D 0A D0 CF 11 E0 A1 B1 1A E1|"; content:"| 50 4B 03 04 |"; content:"|2F 6D 65 64 69 61 2F 69 6D 61 67 65 |"; within:64; content:"| 2E 65 6D 66 |"; within:15; classtype:bad-unknown; sid:2012504; rev:8; metadata:created_at 2011_03_15, confidence High, signature_severity Major, updated_at 2019_07_26;)

Created:

Mar 15, 2011, 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-malware.rules