Rule History

SID: 2031120 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2 • Oct 27, 2020, 12:00 PM

Message:

ET HUNTING Improperly Spaced Accept Header in User-Agent

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Improperly Spaced Accept Header in User-Agent"; flow:established,to_server; http.user_agent; content:"Accept|3a|*/*"; classtype:misc-activity; sid:2031120; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_10_27, deployment Perimeter, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_27;)

Created:

Oct 27, 2020, 12:00 PM

Updated:

Oct 27, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 15, 2025, 9:36 PM

Filename:

rules/emerging-hunting.rules