""ET USER_AGENTS Observed Suspicious UA (h55u4u4u5uii5)""
SID: 2030058
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2020_04_29, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_04_29
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|h55u4u4u5uii5|0d 0a|"
Within:
PCRE:
Special Options:
- http_header