""ET TROJAN Win32/ArtraDownloader Checkin""

SID: 2026740

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_12_20, deployment Perimeter, signature_severity Major, updated_at 2019_02_25

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: "BCDEF="

  • Value: "&MNOPQ="

  • Value: "&GHIJ="

  • Value: "&UVWXYZ="

  • Value: "&st="

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

Within:

PCRE:

Special Options:

  • http_method

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_header

source