""ET TROJAN ArtraDownloader CnC Checkin""

SID: 2026985

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 2019_02_26, deployment Perimeter, malware_family ArtraDownloader, performance_impact Low, signature_severity Major, tag Patchwork, tag DonotGroup, updated_at 2019_02_26

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "dwnack.php?cId="

  • Value: !"Referer|3a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

source