Rule History

SID: 2018572 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 2 • Jun 17, 2014, 12:00 PM

Message:

ET HUNTING HTTP Executable Download from suspicious domain with direct request/fake browser (multiple families)

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING HTTP Executable Download from suspicious domain with direct request/fake browser (multiple families)"; flow:from_server,established; flowbits:isset,ET.Suspicious.Domain.Fake.Browser; file_data; content:"MZ"; within:2; byte_jump:4,58,relative,little; content:"PE|00 00|"; fast_pattern; distance:-64; within:4; classtype:trojan-activity; sid:2018572; rev:2; metadata:created_at 2014_06_17, confidence Medium, 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 1, 2025, 9:34 PM

Filename:

rules/emerging-hunting.rules