""ET MOBILE_MALWARE Android/Drinik Activity (POST)""

SID: 2039588

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_10_28, deployment Perimeter, malware_family Drinik, signature_severity Major, updated_at 2022_10_28

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: ".php"

  • Value: "|3b 20|Android|20|"

  • Value: "Uid=" Depth: 4

  • Value: "&CMD=RDVSent&"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/^User-Agent\x3a\x20[^\r\n]+\x3b\x20Android\x20/Hmi"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_header

source