""ET TROJAN Magecart/Skimmer - AngryBeaver Exfil Attempt""

SID: 2032769

Revision: 3

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_04_15, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, tag CardSkimmer, updated_at 2023_04_05

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "cgi-bin/index.php"

  • Value: "Content-Type|3a 20|application/x-www-form-urlencoded|3b|charset=utf-8|0d 0a|"

  • Value: "0=" Depth: 2

  • Value: "&1="

  • Value: "&2=enc02"

Within:

PCRE: "/cgi-bin\/index.php$/U"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_client_body

  • http_client_body

  • http_client_body

  • fast_pattern

source