""ET WEB_CLIENT SUSPICIOUS Local file read using read protocol""

SID: 2024031

Revision: 1

Class Type: misc-activity

Metadata: attack_target Client_Endpoint, created_at 2017_03_06, malware_family BrokenBrowser, signature_severity Major, updated_at 2017_03_06

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "read|3a|"

Within:

PCRE: "/^\s,\s[a-zA-Z]\x3a[\x2f\x5c]/Ri"

Special Options:

  • file_data

  • nocase

  • fast_pattern

source