""ET USER_AGENTS websocket-sharp User-Agent Observed""
SID: 2053849
Revision: 1
Class Type: bad-unknown
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2022_02_01, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_06_25, former_sid 2851038
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|websocket-sharp/"
Within:
PCRE:
Special Options:
-
fast_pattern
-
http_header