""ET TROJAN VikroStealer CnC Exfil""

SID: 2030369

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_06_22, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2020_06_24

Reference:

  • md5

  • 15c587698be36a72f4015b2758442e3c

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: "/gate?pc_name="

  • Value: "&ip="

  • Value: "&city="

  • Value: "&countryCode="

  • Value: "&passwords="

  • Value: "&hwid="

  • Value: "&user_id="

  • Value: ".zip|22 0d 0a|"

  • Value: !"Referer|3a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_client_body

  • http_header

source