""ET INFO SUSPICIOUS .LNK File Inside of Zip""

SID: 2035026

Revision: 1

Class Type: unknown

Metadata: attack_target Client_Endpoint, created_at 2022_02_01, deployment Perimeter, performance_impact Moderate, signature_severity Informational, updated_at 2022_02_01

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "PK|03 04|" Depth: 4

  • Value: ".lnk"

Within: 500

PCRE:

Special Options:

  • file_data

  • nocase

  • fast_pattern

source