""ET TROJAN Observed Malicious SSL Cert (Gozi ISFB)""

SID: 2030029

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_and_Server, created_at 2020_04_27, deployment Perimeter, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2020_04_27, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol

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 1b|line.monalisapizzeriasi.com"

Within: 8

PCRE:

Special Options:

• fast_pattern

source