""ET TROJAN SSL/TLS Certificate Observed (Link Implant Default)""

SID: 2037929

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_08_04, deployment Perimeter, signature_severity Major, updated_at 2022_08_04

Reference:

• Link

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: "|14 4d 5b 93 d5 0f d5 2f c2 9c 9f 66 4b 62 64 dc 52 d6 e0 b7 d5|"

Within: 8

PCRE:

Special Options:

source