""ET INFO Killbot JS Configuration - Possible Phishing""

SID: 2032468

Revision: 2

Class Type: misc-activity

Metadata: affected_product Web_Server_Applications, attack_target Client_Endpoint, created_at 2021_04_05, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2021_04_05, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "const killbot"

  • Value: "apiKey|3a|"

  • Value: "botRedirection|3a|"

  • Value: "killbot-security.js"

Within:

PCRE:

Special Options:

  • file_data

  • nocase

  • nocase

  • nocase

  • nocase

  • fast_pattern

source