""ET MOBILE_MALWARE Phenakite Image Upload CnC activity""

SID: 2032810

Revision: 2

Class Type: trojan-activity

Metadata: affected_product iOS, attack_target Mobile_Client, created_at 2021_04_23, deployment Perimeter, deployment SSLDecrypt, malware_family Phenakite, signature_severity Major, updated_at 2021_04_23

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "|22|img_name|22 3a 22|"

  • Value: "|22|img|22 3a 22|"

  • Value: "Accept|3a 20|/|0d 0a|"

  • Value: "Content-Type|3a 20|application/json|0d 0a|"

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_header

  • http_header

source