""ET SCAN External Host Probing for ChromeCast Devices""

SID: 2026758

Revision: 4

Class Type: attempted-recon

Metadata: attack_target IoT, created_at 2019_01_04, deployment Perimeter, performance_impact Low, signature_severity Informational, tag Enumeration, updated_at 2023_04_20

Reference:

• Link

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "GET"

• Value: "/setup/eureka_info"

Within:

PCRE:

Special Options:

• http_method

• http_uri

• fast_pattern

source