""ET TROJAN Observed Malicious SSL Cert (MICROPSIA CnC Domain)""

SID: 2025918

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2018_07_27, deployment Perimeter, malware_family MICROPSIA, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2018_11_05, 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: any

Destination Network: $HOME_NET

Destination Port: any

Flow: from_server,established

Contents:

  • Value: "|16|"

  • Value: "|0b|"

  • Value: "|55 04 03|"

  • Value: "|15|new.young-spencer.com"

Within: 23

PCRE:

Special Options:

source