""ET MOBILE_MALWARE ITW Android Post-Exploit Downloader CnC Activity""

SID: 2031525

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Android, attack_target Client_Endpoint, created_at 2021_01_14, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2021_01_15

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: "/api2/v9/pass"

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

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

source