Invoke-PacketCapture - Empire Module
This page contains detailed information about how to use the powershell/collection/packet_capture Empire module. For list of all Empire modules, visit the Empire Module Library.
Module Overview
Name: Invoke-PacketCapture
Module: powershell/collection/packet_capture
Source code [1]: empire/server/modules/powershell/collection/packet_capture.yaml
Source code [2]: empire/server/modules/powershell/collection/packet_capture.py
MITRE ATT&CK:
T1040
Language: PowerShell
Needs admin: Yes
OPSEC safe: No
Background: No
The packet_capture module starts a packet capture on a host using netsh.
This module runs in a foreground and is OPSEC unsafe as it writes on the disk and therefore could be detected by AV/EDR running on the target system.
Note that the packet_capture module does not need administrative privileges to work properly which means that a normal user can run this module.
Required Module Options
This is a list of options that are required by the packet_capture module:
Agent
Agent to run module on.
MaxSize
Maximum size of capture file. Blank for no limit.
Default value: 100MB.
TraceFile
File to log the capture out to.
Default value: C:\capture.etl.
Additional Module Options
This is a list of additional options that are supported by the packet_capture module:
Persistent
Switch. Persist capture across reboots.
StopTrace
Switch. Stop trace capture.
Packet_capture Example Usage
Here's an example of how to use the packet_capture module in the Empire client console:
[+] New agent Y4LHEV83 checked in
[*] Sending agent (stage 2) to Y4LHEV83 at 192.168.204.135
(empire usestager/windows/ducky) > usemodule powershell/collection/packet_capture
Author @obscuresec
@mattifestation
Background False
Comments http://obscuresecurity.blogspot.com/p/presentation-slides.html
http://blogs.msdn.com/b/canberrapfe/archive/2012/03/31/capture-a-
network-trace-without-installing-anything-works-for-shutdown-and-
restart-too.aspx
Description Starts a packet capture on a host using netsh.
Language powershell
Name powershell/collection/packet_capture
NeedsAdmin True
OpsecSafe False
Techniques http://attack.mitre.org/techniques/T1040
,Record Options---------------,----------,-------------------------------------,
| Name | Value | Required | Description |
|------------|----------------|----------|-------------------------------------|
| Agent | | True | Agent to run module on. |
|------------|----------------|----------|-------------------------------------|
| MaxSize | 100MB | True | Maximum size of capture file. Blank |
| | | | for no limit. |
|------------|----------------|----------|-------------------------------------|
| Persistent | | False | Switch. Persist capture across |
| | | | reboots. |
|------------|----------------|----------|-------------------------------------|
| StopTrace | | False | Switch. Stop trace capture. |
|------------|----------------|----------|-------------------------------------|
| TraceFile | C:\capture.etl | True | File to log the capture out to. |
'------------'----------------'----------'-------------------------------------'
(Empire: usemodule/powershell/collection/packet_capture) > set Agent Y4LHEV83
[*] Set Agent to Y4LHEV83
(Empire: usemodule/powershell/collection/packet_capture) > set MaxSize 100MB
[*] Set MaxSize to 100MB
(Empire: usemodule/powershell/collection/packet_capture) > set TraceFile C:\capture.etl
[*] Set TraceFile to C:\capture.etl
(Empire: usemodule/powershell/collection/packet_capture) > execute
[*] Tasked Y4LHEV83 to run Task 1
...
Now wait for the results to come.
Authors
References
- https://github.com/BC-SECURITY/Empire/tree/master/empire/server/modules/powershell/collection/packet_capture.yaml
- https://github.com/BC-SECURITY/Empire/tree/master/empire/server/modules/powershell/collection/packet_capture.py
- http://obscuresecurity.blogspot.com/p/presentation-slides.html
- http://blogs.msdn.com/b/canberrapfe/archive/2012/03/31/capture-a-network-trace-without-installing-anything-works-for-shutdown-and-restart-too.aspx
- http://attack.mitre.org/techniques/T1040
See Also
Check also the following modules related to this module:
- powershell/collection/get_sql_query
- powershell/collection/SharpLoginPrompt
- powershell/collection/file_finder
- powershell/collection/get_indexed_item
- powershell/collection/ninjacopy
- powershell/collection/clipboard_monitor
- powershell/collection/FoxDump
- powershell/collection/prompt
- powershell/collection/minidump
- powershell/collection/netripper
- powershell/collection/SauronEye
- powershell/collection/toasted
- powershell/collection/screenshot
- powershell/collection/find_interesting_file
- powershell/collection/inveigh
- powershell/collection/browser_data
- powershell/collection/WireTap
- powershell/collection/WebcamRecorder
- powershell/collection/ChromeDump
- powershell/collection/USBKeylogger
- powershell/collection/get_sql_column_sample_data
- powershell/collection/keylogger
- powershell/collection/get-winupdates
- powershell/collection/SharpChromium
- powershell/collection/vaults/remove_keepass_config_trigger
- powershell/collection/vaults/add_keepass_config_trigger
- powershell/collection/vaults/keethief
- powershell/collection/vaults/find_keepass_config
- powershell/collection/vaults/get_keepass_config_trigger
Version
This page has been created based on Empire version 4.1.3 (BC Security Fork).
Visit Empire Module Library for more modules.
