""ET INFO Suspicious Cisco Privilege Level 15 in HTTP Header (Outbound)""

SID: 2048937

Revision: 1

Class Type: misc-activity

Metadata: attack_target Client_Endpoint, created_at 2023_10_30, cve CVE_2023_20198, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Informational, updated_at 2023_10_30, reviewed_at 2023_10_30

Reference:

  • cve

  • 2023-20198

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "|0d 0a|Priv-Level|3a 20|15|0d 0a|"

Within:

PCRE:

Special Options:

  • http_header

  • fast_pattern

source