""ET TROJAN Possible SharpShooter Framework Generated VBS Script""

SID: 2026919

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2019_02_18, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2019_02_18

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "RC4|28|byteMessage, strKey|29|"

  • Value: "function decodeBase64|28|base64|29|"

  • Value: ".createElement|28 22|tmp|22 29|"

  • Value: "decoded = decodeBase64|28|"

Within:

PCRE:

Special Options:

  • file_data

  • nocase

  • nocase

  • nocase

  • nocase

source