""ET TROJAN Gamaredon File Stealer POST""

SID: 2024027

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_02_28, deployment Perimeter, malware_family Gamaredon, signature_severity Minor, updated_at 2017_02_28

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "POST"

  • Value: "Content-Type|3a 20|multipart/form-data|3b|"

  • Value: !"User-Agent|3a 20|"

  • Value: "form-data|3b 20|name=|22|filename|22|"

  • Value: "form-data|3b 20|name=|22|compname|22|"

  • Value: "form-data|3b 20|name=|22|serial|22|"

  • Value: "form-data|3b 20|name=|22|w|22|"

  • Value: "form-data|3b 20|name=|22|filesize|22|"

  • Value: "form-data|3b 20|name=|22|file|22|"

Within:

PCRE:

Special Options:

  • http_method

  • http_header

  • http_header

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • nocase

  • http_client_body

  • nocase

  • http_client_body

source