""ET TROJAN Win32/Packed.BlackMoon.A CnC Checkin""

SID: 2038500

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 2022_08_11, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_08_11

Reference:

  • md5

  • 68149a86246195327250b78c5564f2b8

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "|2d 2d 2d 2d 2d 2d|WebKitFormBoundary" Depth: 24

  • Value: "Content|2d|Disposition|3a 20|form|2d|data|3b 20|name|3d 22|file|22 3b 20|filename|3d 22|blob|22|"

  • Value: "Content|2d|Disposition|3a 20|form|2d|data|3b 20|name|3d 22|blob|5f|num|22|"

  • Value: "Content|2d|Disposition|3a 20|form|2d|data|3b 20|name|3d 22|total|5f|blob|5f|num|22|"

  • Value: "Content|2d|Disposition|3a 20|form|2d|data|3b 20|name|3d 22|hashCode|22|"

  • Value: "Content|2d|Disposition|3a 20|form|2d|data|3b 20|name|3d 22|file|5f|name|22|"

  • Value: "POST|20|/upload.php|20|"

Within:

PCRE:

Special Options:

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

source