""ET MOBILE_MALWARE Observed APT-C-23 Related Domain (linda-gaytan .website in TLS SNI)""

SID: 2033978

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Mobile_Client, created_at 2021_09_17, deployment Perimeter, signature_severity Major, updated_at 2021_09_17

Reference:

• Link

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

• Value: "|16|"

• Value: "|01|"

• Value: "|00 00 14|linda-gaytan.website"

Within: 8

PCRE:

Special Options:

• fast_pattern

source