""ET TROJAN Evrial Stealer CnC Activity""

SID: 2025266

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_01_30, deployment Perimeter, malware_family Evrial, performance_impact Moderate, signature_severity Major, updated_at 2018_01_30

Reference:

  • md5

  • 485069677e997ff6ce193be7258c783f

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: "/upload.php?user="

  • Value: "&hwid="

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

  • Value: !"Referer|3a|"

  • Value: !"Accept"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_client_body

  • http_header

  • http_header

source