""ET USER_AGENTS Observed Suspicious UA (PhoneMonitor)""

SID: 2029980

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Mobile_Client, created_at 2020_04_20, performance_impact Low, signature_severity Major, updated_at 2020_04_20

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|PhoneMonitor|0d 0a|"

Within:

PCRE:

Special Options:

  • http_header

source