SigmaHQ/rules/windows/sysmon/sysmon_rdp_registry_modification.yml
yugoslavskiy 4fa928866f oscd task #6 done.
add 25 new rules:

- win_ad_replication_non_machine_account.yml
- win_dpapi_domain_backupkey_extraction.yml
- win_protected_storage_service_access.yml
- win_dpapi_domain_masterkey_backup_attempt.yml
- win_sam_registry_hive_handle_request.yml
- win_sam_registry_hive_dump_via_reg_utility.yml
- win_lsass_access_non_system_account.yml
- win_ad_object_writedac_access.yml
- powershell_alternate_powershell_hosts.yml
- sysmon_remote_powershell_session_network.yml
- win_remote_powershell_session.yml
- win_scm_database_handle_failure.yml
- win_scm_database_privileged_operation.yml
- sysmon_wmi_module_load.yml
- sysmon_remote_powershell_session_process.yml
- sysmon_rdp_registry_modification.yml
- sysmon_powershell_execution_pipe.yml
- sysmon_alternate_powershell_hosts_pipe.yml
- sysmon_powershell_execution_moduleload.yml
- sysmon_createremotethread_loadlibrary.yml
- sysmon_alternate_powershell_hosts_moduleload.yml
- powershell_remote_powershell_session.yml
- win_non_interactive_powershell.yml
- win_syskey_registry_access.yml
- win_wmiprvse_spawning_process.yml

improve 1 rule:

- rules/windows/builtin/win_account_backdoor_dcsync_rights.yml
2019-11-10 18:43:41 +03:00

22 lines
874 B
YAML

title: T1112 RDP Registry Modification
description: Detects potential malicious modification of the property value of fDenyTSConnections and UserAuthentication to enable remote desktop connections.
status: experimental
date: 2019/09/12
modified: 2019/11/10
author: Roberto Rodriguez @Cyb3rWard0g
references:
- https://github.com/Cyb3rWard0g/ThreatHunter-Playbook/tree/master/playbooks/windows/05_defense_evasion/T1112_Modify_Registry/enable_rdp_registry.md
logsource:
product: windows
service: sysmon
detection:
selection:
EventID: 13
TargetObject|endswith:
- '\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp\UserAuthentication'
- '\CurrentControlSet\Control\Terminal Server\fDenyTSConnections'
Details: 'DWORD (0x00000000)'
condition: selection
falsepositives:
- Unknown
level: critical