""ET TROJAN Possible SharpShooter Framework Generated Script""

SID: 2026918

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, 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=function|28|key,str|29|"

  • Value: "key.charCodeAt|28|i%key.length|29|"

  • Value: "String.fromCharCode|28|str.charCodeAt|29|"

  • Value: "decodeBase64=function"

  • Value: "b64block="

Within:

PCRE:

Special Options:

  • file_data

  • nocase

  • nocase

  • nocase

  • nocase

source