""ET EXPLOIT Zyxel NAS RCE Attempt Inbound (CVE-2020-9054) M2""

SID: 2029617

Revision: 2

Class Type: attempted-admin

Metadata: attack_target Networking_Equipment, created_at 2020_03_12, cve CVE_2020_9054, deployment Perimeter, signature_severity Major, updated_at 2020_03_12

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/adv,/cgi-bin/weblogin.cgi" Depth: 26

  • Value: "username=" Depth: 9

  • Value: "|27 3b|"

Within: 20

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • http_client_body

source