""ET TROJAN Observed Malicious SSL Cert (Python RAT (Aurora Campaign))""

SID: 2032528

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Linux, attack_target Client_and_Server, created_at 2021_04_07, deployment Perimeter, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2021_04_07, 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,to_client

Contents:

  • Value: "|16|"

  • Value: "|0b|"

  • Value: "|06 03 55 04 06|"

  • Value: "|02|MK"

  • Value: "|06 03 55 04 08|"

  • Value: "|09|MikoState"

  • Value: "|06 03 55 04 07|"

  • Value: "|08|MikoCity"

  • Value: "|06 03 55 04 0a|"

  • Value: "|08|Miko LLC"

  • Value: "|06 03 55 04 0b|"

  • Value: "|04|Miko"

  • Value: "|06 03 55 04 03|"

  • Value: "|07|Foo Bar"

Within: 8

PCRE:

Special Options:

  • fast_pattern

source