""ET INFO Base64 Encoded ISO File in HTML Body (Magic Bytes)""

SID: 2047788

Revision: 2

Class Type: misc-activity

Metadata: attack_target Client_Endpoint, created_at 2023_08_28, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Informational, tag HTML_Smuggling, updated_at 2023_10_10, reviewed_at 2023_10_10

Reference:

• Link

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

• Value: "Q0QwMD"

• Value: "DRDAwM"

• Value: "NEMDAx"

Within: 100

PCRE:

Special Options:

• file_data

• fast_pattern

source