""ET INFO Request To Suspicious Filename via Powershell (key)""

SID: 2036267

Revision: 2

Class Type: bad-unknown

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_19, deployment Perimeter, signature_severity Minor, updated_at 2022_04_19, reviewed_at 2023_10_04

Reference:

  • md5

  • 5ec22f6399ec0c51d120d27ecd26f2be

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/key" Depth: 4

  • Value: "User-Agent|3a 20|Mozilla/"

  • Value: "WindowsPowerShell/"

Within:

PCRE:

Special Options:

  • http_uri

  • http_header

  • fast_pattern

  • http_header

source