""ET USER_AGENTS Suspicious Custom Firefox UA Observed (Firefox...)""
SID: 2027686
Revision: 2
Class Type: bad-unknown
Metadata: created_at 2019_07_04, deployment Perimeter, performance_impact Low, signature_severity Minor, updated_at 2019_07_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|Firefox...|0d|"
Within:
PCRE:
Special Options:
- http_header