""ET TROJAN Unicorn Stealer Activity (POST)""

SID: 2030894

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2020_09_21, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_09_21

Reference:

  • md5

  • 852646191db6768157a7fddcc13afed2

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: "Content-Disposition|3a 20|form-data|3b 20|name=|22|file|22 3b 20|filename="

  • Value: "form-data|3b 20|name=|22|filename|22 0d 0a|"

  • Value: "form-data|3b 20|name=|22|submit|22 0d 0a|"

  • Value: "form-data|3b 20|name=|22|id|22 0d 0a|"

  • Value: "form-data|3b 20|name=|22|src|22 0d 0a|"

  • Value: "form-data|3b 20|name=|22|type|22 0d 0a|"

  • Value: "form-data|3b 20|name=|22|on|22 0d 0a|"

Within:

PCRE: "/.php$/U"

Special Options:

  • http_method

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

source