""ET USER_AGENTS Suspicious User-Agent (Fire-Cloud)""

SID: 2031065

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2020_10_20, deployment Perimeter, performance_impact Low, signature_severity Minor, updated_at 2020_10_20

Reference:

  • md5

  • 804c8f7d3b10b421ab5c09d675644212

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "User-Agent|3a 20|Fire-Cloud|0d 0a|"

Within:

PCRE:

Special Options:

  • http_header

source