""ET EXPLOIT Possible Moxa MxView RCE Attempt (CVE-2021-38454)""

SID: 2035194

Revision: 1

Class Type: attempted-admin

Metadata: attack_target Server, created_at 2022_02_14, cve CVE_2021_38454, deployment Perimeter, deployment Internal, signature_severity Major, tag Exploit, updated_at 2022_02_14, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application

Reference:

  • cve

  • 2021-38454

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "api/sites/site/"

  • Value: "/ping"

Within:

PCRE: "/\/ping$/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

source