""ET TROJAN Malicious Base64 Encoded Payload In Image""

SID: 2049038

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_11_01, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Critical, updated_at 2023_12_08, reviewed_at 2023_11_01

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|3c 3c|BASE64|5f|END"

Within:

PCRE:

Special Options:

source