SID: 2034677

Revision: 2

Class Type: attempted-admin

Metadata: attack_target Networking_Equipment, created_at 2021_12_11, cve CVE_2021_41653, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_12_11

Reference:

  • cve

  • 2021-41653

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/cgi?2" Depth: 6

  • Value: "|5b|IPPING|5f|DIAG|23|"

  • Value: "host="

Within:

PCRE: "/^(?:[\x60\x3b\x7c]|%60|%3b|%7c|%26|(?:[\x3c\x3e\x24]|%3c|%3e|%24)(?:\x28|%28))/R"

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • nocase

  • fast_pattern

  • http_client_body

  • nocase

source