""ET TROJAN Win32/Voltron/Spectre Stealer Sending OS Information (POST)""

SID: 2034040

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_09_17, deployment Perimeter, signature_severity Major, updated_at 2021_09_17

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: "/v4/api_t.php"

  • Value: "User-Agent|3a 20|UserAgent|0d 0a|"

  • Value: "id=" Depth: 3

  • Value: "&mid="

  • Value: "&username="

  • Value: "&os_info="

  • Value: "&version="

  • Value: "&computername="

  • Value: "&memory="

  • Value: "&screen="

  • Value: "&drives="

  • Value: !"Referer|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_header

source