""ET EXPLOIT ScadaBR RCE with JSP Shell Inbound (CVE-2021-26828)""

SID: 2032766

Revision: 2

Class Type: attempted-admin

Metadata: attack_target Server, created_at 2021_04_15, cve CVE_2021_26828, deployment Perimeter, deployment Internal, signature_severity Major, updated_at 2021_04_15

Reference:

  • cve

  • 2021-26828

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HTTP_SERVERS,$HOME_NET]

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/ScadaBR/view_edit.shtm"

  • Value: "|22|view.name|22|"

  • Value: "|0d 0a 0d 0a|"

  • Value: "|3c 25 40|"

Within: 5

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

source