""ET USER_AGENTS Suspcious LeakIX User-Agent (l9explore)""
SID: 2035314
Revision: 1
Class Type: bad-unknown
Metadata: affected_product Linux, attack_target Server, created_at 2022_02_28, deployment Perimeter, signature_severity Minor, updated_at 2022_02_28
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_server
Contents:
- Value: "User-Agent|3a 20|l9explore"
Within:
PCRE:
Special Options:
-
fast_pattern
-
http_header