SID: 2035747

Revision: 2

Class Type: attempted-admin

Metadata: attack_target Networking_Equipment, created_at 2022_04_05, cve CVE_2021_45382, deployment Perimeter, deployment Internal, signature_severity Major, updated_at 2022_04_05

Reference:

  • cve

  • 2021-45382

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: any

Flow: to_server,established

Contents:

  • Value: "POST"

  • Value: "/ddns_check.ccp"

  • Value: "&ddnsHostName="

Within:

PCRE: "/&ddnsHostName=(?:\x3b|\x0a|\x26|\x60|\x7c|\x24)/P"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

source