""ET EXPLOIT Unknown Command Injection Attempt Inbound (Possible Mirai Activity)""

SID: 2033272

Revision: 2

Class Type: attempted-user

Metadata: created_at 2021_07_07, updated_at 2021_07_07, 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: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/op_type=" Depth: 9

  • Value: "|3b|"

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_uri

source