Rule History

SID: 2032481 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2 • Apr 5, 2021, 12:00 PM

Message:

ET EXPLOIT_KIT Suspicious GitHack TLS SNI Request - Possible PurpleFox EK

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Suspicious GitHack TLS SNI Request - Possible PurpleFox EK"; flow:established,to_server; tls.sni; content:".githack."; content:!".githack.com"; endswith; classtype:exploit-kit; sid:2032481; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_04_05, deployment Perimeter, malware_family PurpleFox, performance_impact Low, confidence Medium, signature_severity Major, tag Exploit_Kit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_05_03;)

Created:

Apr 5, 2021, 12:00 PM

Updated:

May 3, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 12, 2025, 9:34 PM

Filename:

rules/emerging-exploit_kit.rules