""ET MOBILE_MALWARE SSL/TLS Certificate Observed (Betcity CnC)""

SID: 2030150

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Android, attack_target Mobile_Client, created_at 2020_05_11, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_04_18

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: 443

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|16|"

  • Value: "|0b|"

  • Value: "|06 03 55 04 03|"

  • Value: "|0e|*.boxberry1.ru"

  • Value: "|06 03 55 04 06|"

  • Value: "|02|US"

  • Value: "|06 03 55 04 0a|"

  • Value: "|0d|Let's Encrypt"

  • Value: "|06 03 55 04 03|"

  • Value: "|1a|Let's Encrypt Authority X3"

Within: 27

PCRE:

Special Options:

  • fast_pattern

source