""ET USER_AGENTS Suspicious UA Observed (Ave, Caesar!)""

SID: 2027648

Revision: 2

Class Type: bad-unknown

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_06_28, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2019_06_28

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|Ave,|20|Caesar!|0d|"

Within:

PCRE:

Special Options:

  • http_header

source