""ET EXPLOIT F5 BIG-IP iControl REST Authentication Bypass (CVE-2022-1388) M1""

SID: 2036546

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Web_Server, created_at 2022_05_09, cve CVE_2022_1388, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2023_11_20

Reference:

  • cve

  • 2022-1388

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/mgmt/tm/util/bash"

  • Value: "Authorization|3a 20|Basic YWRtaW46"

  • Value: "command"

  • Value: "run"

  • Value: "utilCmdArgs"

  • Value: "x-F5-Auth-Token"

  • Value: !"Referer|3a 20|"

  • Value: "X-F5-Auth-Token|3a 20|"

Within:

PCRE: "/^Connection\x3a\x20[^\r\n]+x-F5-Auth-Token/Hmi"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_client_body

  • http_client_body

  • http_client_body

  • http_header

  • nocase

  • http_header

  • http_header

source