""ET CURRENT_EVENTS Possible PurpleFox EK Framework Flash GET Request""

SID: 2028978

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: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "GET"

• Value: ".swf"

• Value: "__cfduid=" Depth: 9

• Value: "rawcdn.githack.com|0d 0a|" Depth: 20

• Value: "Accept|3a 20|" Depth: 8

• Value: "|0d 0a|x-flash-version|3a 20|"

Within:

PCRE:

Special Options:

• http_method

• http_uri

• http_cookie

• http_header

• fast_pattern

• http_header

• http_header

source