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

SID: 2032788

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2021_04_20, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, tag CardSkimmer, updated_at 2021_04_20

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: ".png"

  • Value: "cid=" Depth: 4

  • Value: "&host="

  • Value: "Content-Type|3a 20|application/x-www-form-urlencoded"

Within:

PCRE: "/.png$/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_header

source