""ET USER_AGENTS Observed Suspicious UA (easyhttp client)""

SID: 2029569

Revision: 2

Class Type: bad-unknown

Metadata: attack_target Client_Endpoint, created_at 2020_03_04, deployment Perimeter, signature_severity Informational, updated_at 2020_03_04

Reference:

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|easyhttp client|0d 0a|"

Within:

PCRE:

Special Options:

  • http_header

source