""ET TROJAN Observed Malicious SSL Cert (MageCart)""

SID: 2029102

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_and_Server, created_at 2019_12_09, deployment Perimeter, malware_family MageCart, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2019_12_09, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: 443

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

• Value: "|16|"

• Value: "|0b|"

• Value: "|00 B3 4B 42 19 50 7A 3B 55 78 3D 6D FD 12 54 C8 88|"

Within: 10

PCRE:

Special Options:

• fast_pattern

source