""ET WEB_SPECIFIC_APPS Nette Command Injection Attempt Inbound (CVE-2020-15227)""

SID: 2031222

Revision: 2

Class Type: attempted-admin

Metadata: attack_target Server, created_at 2020_11_19, cve CVE_2020_15227, deployment Perimeter, deployment Internal, signature_severity Major, updated_at 2020_11_19, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services

Reference:

  • cve

  • 2020-15227

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "nette"

  • Value: "?callback=shell_exec"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_uri

  • fast_pattern

source