""ET TROJAN Observed Malicious SSL Cert (Brushaloader CnC) 2023-12-4""

SID: 2049634

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2023_12_11, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_12_11

Reference:

  • md5

  • e5653b5074bd52cc6d4e95ca6ae5177f

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: [443,8080]

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|16 03 03|" Depth: 3

  • Value: "|55 04 0a|"

  • Value: "|0c|2pO0SfY"

Within: 8

PCRE:

Special Options:

  • fast_pattern

source