""ET MOBILE_MALWARE Android Joker CnC Configuration Retrieval""

SID: 2030849

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Mobile_Client, created_at 2020_09_08, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_09_08

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: "/api/ckwkc2?icc=" Depth: 16

  • Value: "(Linux|3b 20|U|3b 20|Android"

  • Value: !"Referer"

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_header

  • http_header

source