""ET EXPLOIT [NCC/FOX-IT] Possible F5 BIG-IP/BIG-IQ iControl REST RCE Attempt (CVE-2021-22986)""

SID: 2032220

Revision: 2

Class Type: attempted-admin

Metadata: created_at 2021_03_19, cve CVE_2021_22986, updated_at 2021_03_19

Reference:

  • cve

  • 2021-22986

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/mgmt/tm/util/bash"

  • Value: "|22|command|22 3a 20 22|run|22|"

  • Value: "|22|utilCmdArgs|22 3a 20 22|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • nocase

  • fast_pattern

  • http_client_body

  • http_client_body

source