""ET CURRENT_EVENTS Possible PurpleFox EK Framework Payload""

SID: 2028976

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_11_14, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2019_11_14

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "200"

  • Value: "Content-Type|3a 20|image/jpeg|0d 0a|"

  • Value: "__cfduid="

  • Value: "|20 2e 20|$Env|3a|comSPEC[" Depth: 16

  • Value: "]-joIN|27 27|)( -JoiN(|20 27|"

Within: 30

PCRE:

Special Options:

  • http_stat_code

  • http_header

  • http_cookie

  • file_data

  • nocase

  • fast_pattern

  • nocase

source