ZxShell

S0412

Malware.View on attack.mitre.org

About this malware

ZxShell is a remote administration tool and backdoor that can be downloaded from the Internet, particularly from Chinese hacker websites. It has been used since at least 2004.

Techniques used34

Procedure examples34

TechniqueProcedure example
T1005
Data from Local System

ZxShell can transfer files from a compromised host.

T1007
System Service Discovery

ZxShell can check the services on the system.

T1012
Query Registry

ZxShell can query the netsvc group value data located in the svchost group Registry key.

T1021.001
Remote Desktop Protocol

ZxShell has remote desktop functionality.

T1021.005
VNC

ZxShell supports functionality for VNC sessions.

T1033
System Owner/User Discovery

ZxShell can collect the owner and organization information from the target workstation.

T1046
Network Service Discovery

ZxShell can launch port scans.

T1055.001
Dynamic-link Library Injection

ZxShell is injected into a shared SVCHOST process.

T1056.001
Keylogging

ZxShell has a feature to capture a remote computer's keystrokes using a keylogger.

T1056.004
Credential API Hooking

ZxShell hooks several API functions to spawn system threads.

T1057
Process Discovery

ZxShell has a command, ps, to obtain a listing of processes on the system.

T1059.003
Windows Command Shell

ZxShell can launch a reverse command shell.

T1070.004
File Deletion

ZxShell can delete files from the system.

T1071.001
Web Protocols

ZxShell has used HTTP for C2 connections.

T1071.002
File Transfer Protocols

ZxShell has used FTP for C2 connections.

View all 34 procedure examples

Groups that use it3

Campaigns0

None recorded.

References2

  1. FireEye APT41 Aug 2019 Open source
    Fraser, N., et al. (2019, August 7). Double DragonAPT41, a dual espionage and cyber crime operation APT41. Retrieved September 23, 2019.
  2. Talos ZxShell Oct 2014 Open source
    Allievi, A., et al. (2014, October 28). Threat Spotlight: Group 72, Opening the ZxShell. Retrieved September 24, 2019.

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