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A Red Team oriented simple HTTP & WebDAV server written in C# with functionality to capture Net-NTLM hashes. To be used for serving payloads on compromised machines for lateral movement purposes.
Requires .NET Framework 4.5 and System.Net and System.Net.Sockets references.
:: SharpWebServer ::
a Red Team oriented C# Simple HTTP Server with Net-NTLMv1/2 hashes capture functionality
Authors:
- Can Güney Aksakalli (github.com/aksakalli) - original implementation
- harrypatrick442 (github.com/harrypatrick442) - aksakalli's fork & changes
- Dominic Chell (@domchell) from MDSec - Net-NTLMv2 hashes capture code borrowed from Farmer
- Mariusz B. / mgeeky, <mb [at] binary-offensive.com> - combined all building blocks together,
added connection keep-alive to NTLM Authentication
Usage:
SharpWebServer.exe <port=port> [dir=path] [verbose=true] [ntlm=true] [logfile=path]
Options:
port - TCP Port number on which to listen (1-65535)
dir - Directory with files to be hosted.
verbose - Turn verbose mode on.
seconds - Specifies h ow long should the server be running. Default: indefinitely
ntlm - Require NTLM Authentication before serving files. Useful to collect NetNTLMv2 hashes
(in MDSec's Farmer style)
logfile - Path to output logfile.
Example
Example use-case serving files and capturing Net-NTLM hashes at the same time:
Server:
WebDAV Server with Net-NTLM hashes capture functionality Authors: - Dominic Chell (@domchell) from MDSec - Net-NTLM hashes capture code borrowed from Farmer - Mariusz B. / mgeeky, <mb [at] binary-offensive.com> - WebDAV implementation, NTLM Authentication keep-alive, all the rest. Usage: SharpWebServer.exe <port=port> [dir=path] [verbose=true] [ntlm=true] [logfile=path] Options: port - TCP Port number on which to listen (1-65535) dir - Directory with files to be hosted. verbose - Turn verbose mode on. seconds - Specifies how long should the server be running. Default: indefinitely ntlm - Require NTLM Authentication before serving files. Useful to collect NetNTLM hashes (in MDSec's Farmer style) logfile - Path to output logfile. ">
C:\> SharpWebServer.exe port=8888 dir=C:\Windows\Temp verbose=true ntlm=true
:: SharpWebServer ::
a Red Team oriented C# Simple HTTP & WebDAV Server with Net-NTLM hashes capture functionality
Authors:
- Dominic Chell (@domchell) from MDSec - Net-NTLM hashes capture code borrowed from Farmer
- Mariusz B. / mgeeky, <mb [at] binary-offensive.com> - WebDAV implementation, NTLM Authentication keep-alive,
all the rest.
Usage:
SharpWebServer.exe <port=port> [dir=path] [verbose=true] [ntlm=true] [logfile=path]
Options:
port - TCP Port number on which to listen (1-65535)
dir - Directory with files to be hosted.
verbose - Turn verbose mode on.
seconds - Specifies how long should the server be running. Default: indefinitely
ntlm - Require NTLM Authentication befo re serving files. Useful to collect NetNTLM hashes
(in MDSec's Farmer style)
logfile - Path to output logfile.Client:
C:\> curl -sD- http://localhost:8888/test.txt --ntlm --negotiate -u TestUser:TestPassword
HTTP/1.1 401 Unauthorized
Transfer-Encoding: chunked
WWW-Authenticate: NTLM
Date: Mon, 29 Mar 2021 15:55:14 GMT
HTTP/1.1 401 Unauthorized
Transfer-Encoding: chunked
WWW-Authenticate: NTLM TlRMTVNTUAACAAAABgAGADgAAAAFAomiESIzRFVmd4gAAAAAAAAAAIAAgAA+AAAABQLODgAAAA9TAE0AQgACAAYAUwBNAEIAAQAWAFMATQBCAC0AVABPAE8ATABLAEkAVAAEABIAcwBtAGIALgBsAG8AYwBhAGwAAwAoAHMAZQByAHYAZQByADIAMAAwADMALgBzAG0AYgAuAGwAbwBjAGEAbAAFABIAcwBtAGIALgBsAG8AYwBhAGwAAAAAAA==
Date: Mon, 29 Mar 2021 15:55:14 GMT
HTTP/1.1 200 OK
Content-Length: 6
Content-Type: text/plain
Date: Mon, 29 Mar 2021 15:55:14 GMT
foobarWebDAV client:
C:\> dir \\localhost@8888\test
Volume in drive \\localhost@8888\test has no label.
Volume Serial Number is 0000-0000
Directory of \\localhost@8888\test
30.03.2021 05:12 <DIR> .
30.03.2021 05:12 <DIR> ..
30.03.2021 04:27 11 test2.txt
30.03.2021 05:12 12 test3.txt
30.03.2021 05:12 <DIR> test4
2 File(s) 23 bytes
3 Dir(s) 225 268 776 960 bytes free
C:\> type \\localhost@8888\test\test4\test5.txt
Hello world!
C:\> copy \\localhost@8888\test\test4\test5.txt .
1 file(s) copied.Authors
-
NTLM hashes capture code & TCP Listener backbone borrowed from MDSec ActiveBreach Farmer project written by Dominic Chell (@domchell):
-
WebDAV implementation, NTLM Authentication keep-alive logic & all the rest
Mariusz B. / mgeeky, '21, <mb [at] binary-offensive.com>