""ET MOBILE_MALWARE Trojan-Dropper.AndroidOS.Anatsa Checkin""

SID: 2034591

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Mobile_Client, created_at 2021_12_07, updated_at 2024_03_22, mitre_tactic_id TA0037, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

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: "/api/update"

  • Value: "|3b 20|Android|20|"

  • Value: !"Referer|3a 20|"

  • Value: "{|22|hwid|22 3a|" Depth: 8

  • Value: ",|22|phone_name|22 3a|"

  • Value: ",|22|update_installed|22 3a|"

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_header

  • http_header

  • http_client_body

  • http_client_body

  • http_client_body

source