""ET USER_AGENTS Suspicious User-Agent (ItIsMe)""

SID: 2035445

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_03_14, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2022_03_14

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "User-Agent|3a 20|ItIsMe"

Within:

PCRE:

Special Options:

  • fast_pattern

  • http_header

source