""ET CURRENT_EVENTS IRS Credential Phish Credit Card Payment Data Exfil""

SID: 2034328

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_11_02, deployment Perimeter, signature_severity Major, updated_at 2022_04_18

Reference:

  • md5

  • 55d8e8f74231e50c479d11683c7ab889

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "200"

  • Value: "Internal Revenue Service"

  • Value: "form action=|22|c5.php|22|"

  • Value: "name|3d 22|amount|22 20|value|3d 22 22|"

  • Value: "PROCEED"

Within:

PCRE:

Special Options:

  • http_stat_code

  • file_data

  • nocase

  • fast_pattern

source