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MITRE ATT&CK® Malware

S0412: ZxShell

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.[1][2]

EnterpriseS0412MalwareObject v1.2Modified
Glexia's Take · Automated analysis

Security context for executives and security teams

Automation confidenceMedium

S0412: ZxShell describes [ZxShell](https://attack.mitre.org/software/S0412) 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.(Citation: FireEye APT41 Aug 2019)(Citation: Talos ZxShell Oct 2014)

Executive priority

S0412: ZxShell is an official MITRE ATT&CK software. Glexia treats it as defensive behavior context for prioritizing monitoring, control validation, and response planning without using the object by itself as an attribution claim.

Technical view

Security teams should validate S0412: ZxShell by reviewing the official ATT&CK relationships, mapped tactics (the mapped ATT&CK tactic context), supported platforms (Windows), and available local telemetry before making detection or mitigation decisions.

Likely telemetry

  • Official ATT&CK relationships and object metadata
  • Network, endpoint, and security-tool telemetry

Detection direction

  • Validate whether S0412: ZxShell appears in your detection coverage and tabletop scenarios.
  • Use the object to align executive risk language with SOC, incident response, and detection engineering work.
  • Do not treat ATT&CK relationship context as attribution without corroborating evidence.

Mitigation priorities

  • Map the object to existing controls and identify missing telemetry or response ownership.
  • Prioritize mitigations that reduce exposure on the listed platforms and tactics.
  • Review adjacent ATT&CK relationships before changing policy, detections, or reporting language.
Additional notes and limits

Baseline Glexia take generated from the official MITRE ATT&CK STIX object, source hash, tactics, platforms, and detection fields. It is safe to replace with a richer model-generated take for the same source hash later.

This baseline take is source-grounded and schema-validated, but it does not include environment-specific telemetry, incident evidence, or threat-intelligence corroboration.

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Official MITRE ATT&CK definition

ZxShell

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.[1][2]

View the same entry on attack.mitre.org (MITRE-hosted reference; in-page links above use the Glexia ATT&CK library.)

Glexia analysis

How security teams should use this page

Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.

ATT&CK relationship table

Techniques used

This mirrors the MITRE pattern of making group, software, campaign, and technique relationships scannable. Relationship notes come from mirrored ATT&CK relationship text when available.

34 rows
DomainIDNameRelationship / procedure
EnterpriseT1021.005VNCSub-technique

ZxShell supports functionality for VNC sessions.[2]

EnterpriseT1082System Information Discovery

ZxShell can collect the local hostname, operating system details, CPU speed, and total physical memory.[2]

EnterpriseT1090Proxy

ZxShell can set up an HTTP or SOCKS proxy.[1][2]

EnterpriseT1071.001Web ProtocolsSub-technique

ZxShell has used HTTP for C2 connections.[2]

EnterpriseT1571Non-Standard Port

ZxShell can use ports 1985 and 1986 in HTTP/S communication.[2]

EnterpriseT1056.004Credential API HookingSub-technique

ZxShell hooks several API functions to spawn system threads.[2]

EnterpriseT1083File and Directory Discovery

ZxShell has a command to open a file manager and explorer on the system.[2]

EnterpriseT1113Screen Capture

ZxShell can capture screenshots.[1]

EnterpriseT1012Query Registry

ZxShell can query the netsvc group value data located in the svchost group Registry key.[2]

EnterpriseT1005Data from Local System

ZxShell can transfer files from a compromised host.[2]

EnterpriseT1033System Owner/User Discovery

ZxShell can collect the owner and organization information from the target workstation.[2]

EnterpriseT1190Exploit Public-Facing Application

ZxShell has been dropped through exploitation of CVE-2011-2462, CVE-2013-3163, and CVE-2014-0322.[2]

EnterpriseT1057Process Discovery

ZxShell has a command, ps, to obtain a listing of processes on the system.[2]

EnterpriseT1046Network Service Discovery

ZxShell can launch port scans.[1][2]

EnterpriseT1112Modify Registry

ZxShell can create Registry entries to enable services to run.[2]

EnterpriseT1070.004File DeletionSub-technique

ZxShell can delete files from the system.[1][2]

EnterpriseT1543.003Windows ServiceSub-technique

ZxShell can create a new service using the service parser function ProcessScCommand.[2]

EnterpriseT1685Disable or Modify Tools

ZxShell can kill AV products' processes.[2]

EnterpriseT1071.002File Transfer ProtocolsSub-technique

ZxShell has used FTP for C2 connections.[2]

EnterpriseT1055.001Dynamic-link Library InjectionSub-technique

ZxShell is injected into a shared SVCHOST process.[2]

EnterpriseT1059.003Windows Command ShellSub-technique

ZxShell can launch a reverse command shell.[1][2]CitationSecureworks BRONZEUNION Feb 2019

EnterpriseT1686Disable or Modify System Firewall

ZxShell can disable the firewall by modifying the registry key HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile.[2]

EnterpriseT1021.001Remote Desktop ProtocolSub-technique

ZxShell has remote desktop functionality.[2]

EnterpriseT1134.002Create Process with TokenSub-technique

ZxShell has a command called RunAs, which creates a new process as another user or process context.[2]

EnterpriseT1125Video Capture

ZxShell has a command to perform video device spying.[2]

EnterpriseT1218.011Rundll32Sub-technique

ZxShell has used rundll32.exe to execute other DLLs and named pipes.[2]

EnterpriseT1136.001Local AccountSub-technique

ZxShell has a feature to create local user accounts.[2]

EnterpriseT1499Endpoint Denial of Service

ZxShell has a feature to perform SYN flood attack on a host.[1][2]

EnterpriseT1106Native API

ZxShell can leverage native API including RegisterServiceCtrlHandler to register a service.RegisterServiceCtrlHandler

EnterpriseT1569.002Service ExecutionSub-technique

ZxShell can create a new service for execution.[2]

EnterpriseT1685.005Clear Windows Event LogsSub-technique

ZxShell has a command to clear system event logs.[2]

EnterpriseT1056.001KeyloggingSub-technique

ZxShell has a feature to capture a remote computer's keystrokes using a keylogger.[1][2]

EnterpriseT1007System Service Discovery

ZxShell can check the services on the system.[2]

EnterpriseT1105Ingress Tool Transfer

ZxShell has a command to transfer files from a remote host.[2]

Associated objects

Groups, software, and campaigns

GroupEnterprise

G0001: Axiom

Axiom is a suspected Chinese cyber espionage group that has targeted the aerospace, defense, government, manufacturing, and media sectors since at least 2008. Some reporting suggests a degree of overlap between Axiom and Winnti Group but the two groups appear to be distinct based on differences in reporting on TTPs and targeting.[1][2][3]

GroupEnterprise

G0096: APT41

APT41 is a threat group that researchers have assessed as Chinese state-sponsored espionage group that also conducts financially-motivated operations. Active since at least 2012, APT41 has been observed targeting various industries, including but not limited to healthcare, telecom, technology, finance, education, retail and video game industries in 14 countries.[1] Notable behaviors include using a wide range of malware and tools to complete mission objectives. APT41 overlaps at least partially with public reporting on groups including BARIUM and Winnti Group.[2][3]

GroupEnterprise

G0027: Threat Group-3390

Threat Group-3390 is a Chinese threat group that has extensively used strategic Web compromises to target victims.[1] The group has been active since at least 2010 and has targeted organizations in the aerospace, government, defense, technology, energy, manufacturing and gambling/betting sectors.[2][3][4]

Relationship explorer

All related ATT&CK context

Change history

Object version and sync metadata

The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates.

ATT&CK release
20.0
Object version
1.2
Created
Modified
Raw hash
a37cc1a95112c2df...
Imported snapshots across ATT&CK releases(3)
ReleaseBundle importedObject versionModifiedStatusRaw hash
20.01.2Current bundlea37cc1a95112…
19.21.2Older bundlea37cc1a95112…
19.11.2Older bundlea37cc1a95112…
Raw source

Mirrored ATT&CK source object

The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.

Source references

External references and citations

MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.

  1. [1]
    FireEye APT41 Aug 2019

    Fraser, N., et al. (2019, August 7). Double DragonAPT41, a dual espionage and cyber crime operation APT41. Retrieved September 23, 2019.

    Open source URL
  2. [2]
    Talos ZxShell Oct 2014

    Allievi, A., et al. (2014, October 28). Threat Spotlight: Group 72, Opening the ZxShell. Retrieved September 24, 2019.

    Open source URL
  3. [3]
    Sensocode

    (Citation: Talos ZxShell Oct 2014)

  4. [4]
    ZxShell

    (Citation: FireEye APT41 Aug 2019)(Citation: Talos ZxShell Oct 2014)

  5. [5]
    mitre-attackS0412
    Open source URL
Source and licensing

Source: MITRE ATT&CK®. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. MITRE ATT&CK and ATT&CK are registered trademarks of The MITRE Corporation. Glexia is not affiliated with or endorsed by MITRE.