""ET TROJAN Observed Certificate Base64 Encoded Executable Inbound""

SID: 2029280

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_01_15, deployment Perimeter, signature_severity Major, updated_at 2022_05_03, reviewed_at 2024_04_30

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "-----BEGIN CERTIFICATE-----|0d 0a|TVqQ" Depth: 100

Within:

PCRE:

Special Options:

  • file_data

  • fast_pattern

source