""ET USER_AGENTS Suspicious User-Agent (aaaa)""
SID: 2031613
Revision: 2
Class Type: bad-unknown
Metadata: attack_target Client_Endpoint, created_at 2021_02_11, deployment Perimeter, signature_severity Informational, updated_at 2021_02_11
Reference:
-
md5
-
61e213e717cc8e156cec79a7c1cd0c64
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|aaaa|0d 0a|"
Within:
PCRE:
Special Options:
- http_header