""ET EXPLOIT Cisco IOS XE Web Server Implant Check (CVE-2023-20198) (Outbound) M1""

SID: 2048583

Revision: 2

Class Type: trojan-activity

Metadata: affected_product iOS, attack_target Web_Server, created_at 2023_10_17, cve CVE_2023_20198, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, updated_at 2023_10_30, reviewed_at 2024_01_26

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: "POST"

  • Value: "/webui/logoutconfirm.html?logon_hash=1"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

source