""ET INFO Suspicious POST to Axis OS (smtptest.cgi)""

SID: 2034130

Revision: 2

Class Type: bad-unknown

Metadata: attack_target Server, created_at 2021_10_06, cve CVE_2021_31986, deployment Perimeter, deployment Internal, performance_impact Low, signature_severity Informational, updated_at 2023_04_24

Reference:

  • cve

  • 2021-31986

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: "/axis-cgi/smtptest.cgi"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

source