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rule: add port proxy registry rule and further references #1569

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Jun 22, 2021
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rule: add port proxy registry rule and further references #1569

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cd0b46a
rule: add port proxy registry rule and add references
Karneades Jun 22, 2021
ed41125
fix: remove duplicate status in portproxy reg rule
Karneades Jun 22, 2021
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6 changes: 4 additions & 2 deletions rules/windows/process_creation/win_netsh_port_fwd.yml
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Original file line number Diff line number Diff line change
@@ -1,10 +1,12 @@
title: Netsh Port Forwarding
id: 322ed9ec-fcab-4f67-9a34-e7c6aef43614
description: Detects netsh commands that configure a port forwarding
description: Detects netsh commands that configure a port forwarding (PortProxy)
references:
- https://www.fireeye.com/blog/threat-research/2019/01/bypassing-network-restrictions-through-rdp-tunneling.html
- https://adepts.of0x.cc/netsh-portproxy-code/
- https://www.dfirnotes.net/portproxy_detection/
date: 2019/01/29
modified: 2021/01/06
modified: 2021/06/22
tags:
- attack.lateral_movement
- attack.defense_evasion
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25 changes: 25 additions & 0 deletions rules/windows/registry_event/win_portproxy_registry_key.yml
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@@ -0,0 +1,25 @@
title: PortProxy Registry Key
id: a54f842a-3713-4b45-8c84-5f136fdebd3c
status: experimental
description: Detects the modification of PortProxy registry key which is used for port forwarding. For command execution see rule win_netsh_port_fwd.yml.
references:
- https://www.fireeye.com/blog/threat-research/2019/01/bypassing-network-restrictions-through-rdp-tunneling.html
- https://adepts.of0x.cc/netsh-portproxy-code/
- https://www.dfirnotes.net/portproxy_detection/
date: 2021/06/22
tags:
- attack.lateral_movement
- attack.defense_evasion
- attack.command_and_control
- attack.t1090
author: Andreas Hunkeler (@Karneades)
logsource:
category: registry_event
product: windows
detection:
selection_registry:
TargetObject: 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PortProxy\v4tov4\tcp'
condition: selection_registry
falsepositives:
- Unlikely
level: medium