""ET INFO Suspicious File Extension Inbound (.phonk)""

SID: 2042944

Revision: 1

Class Type: misc-activity

Metadata: attack_target Client_Endpoint, created_at 2022_12_14, deployment Perimeter, deployment SSLDecrypt, signature_severity Informational, updated_at 2022_12_14

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "Content|2d|Disposition|3a 20|attachment|3b 20|filename|3d|"

  • Value: ".phonk|0d 0a|"

Within:

PCRE:

Special Options:

  • http_header

  • http_header

  • fast_pattern

source