""ET USER_AGENTS Suspicious User-Agent Simple Bot""

SID: 2031471

Revision: 2

Class Type: bad-unknown

Metadata: attack_target Client_Endpoint, created_at 2020_12_31, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2020_12_31

Reference:

  • md5

  • 3cf04350400299844abb17a0e1640975

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|Simple Bot v"

Within:

PCRE:

Special Options:

  • fast_pattern

  • http_header

source