""ET EXPLOIT Attempted Remote Command Injection Outbound (CVE-2019-3929)""

SID: 2027450

Revision: 2

Class Type: attempted-admin

Metadata: attack_target IoT, created_at 2019_06_11, cve CVE_2019_3929, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2019_06_11, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services

Reference:

Protocol: tcp

Source Network: $HTTP_SERVERS

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/cgi-bin/file_transfer.cgi"

  • Value: "file_transfer=" Depth: 14

  • Value: "&dir=|27|Pa_Note"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • http_client_body

  • fast_pattern

source