S0011: Taidoor

Taidoor is a remote access trojan (RAT) that has been used by Chinese government cyber actors to maintain access on victim networks.[1] Taidoor has primarily been used against Taiwanese government organizations since at least 2010.[2]

EnterpriseS0011MalwareObject v2.1ModifiedApr 10, 2024, 22:36 UTC (UTC+00:00)

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Official MITRE ATT&CK definition

Taidoor

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.

Filter related techniques20 rows

Domain	ID	Name	Relationship / procedure
Enterprise	T1124	System Time Discovery	Taidoor can use `GetLocalTime` and `GetSystemTime` to collect system time.[1]
Enterprise	T1059.003	Windows Command ShellSub-technique	Taidoor can copy cmd.exe into the system temp folder.[1]
Enterprise	T1112	Modify Registry	Taidoor has the ability to modify the Registry on compromised hosts using `RegDeleteValueA` and `RegCreateKeyExA`.[1]
Enterprise	T1071.001	Web ProtocolsSub-technique	Taidoor has used HTTP GET and POST requests for C2.[2]
Enterprise	T1573.001	Symmetric CryptographySub-technique	Taidoor uses RC4 to encrypt the message body of HTTP content.[2][1]
Enterprise	T1106	Native API	Taidoor has the ability to use native APIs for execution including `GetProcessHeap`, `GetProcAddress`, and `LoadLibrary`.[2][1]
Enterprise	T1070.004	File DeletionSub-technique	Taidoor can use `DeleteFileA` to remove files from infected hosts.[1]
Enterprise	T1566.001	Spearphishing AttachmentSub-technique	Taidoor has been delivered through spearphishing emails.[2]
Enterprise	T1016	System Network Configuration Discovery	Taidoor has collected the MAC address of a compromised host; it can also use `GetAdaptersInfo` to identify network adapters.[2][1]
Enterprise	T1140	Deobfuscate/Decode Files or Information	Taidoor can use a stream cipher to decrypt stings used by the malware.[1]
Enterprise	T1012	Query Registry	Taidoor can query the Registry on compromised hosts using `RegQueryValueExA`.[1]
Enterprise	T1055.001	Dynamic-link Library InjectionSub-technique	Taidoor can perform DLL loading.[2][1]
Enterprise	T1105	Ingress Tool Transfer	Taidoor has downloaded additional files onto a compromised host.[2]
Enterprise	T1005	Data from Local System	Taidoor can upload data and files from a victim's machine.[2]
Enterprise	T1083	File and Directory Discovery	Taidoor can search for specific files.[1]
Enterprise	T1057	Process Discovery	Taidoor can use `GetCurrentProcessId` for process discovery.[1]
Enterprise	T1027.013	Encrypted/Encoded FileSub-technique	Taidoor can use encrypted string blocks for obfuscation.[1]
Enterprise	T1204.002	Malicious FileSub-technique	Taidoor has relied upon a victim to click on a malicious email attachment.[2]
Enterprise	T1547.001	Registry Run Keys / Startup FolderSub-technique	Taidoor has modified the `HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run` key for persistence.[2]
Enterprise	T1095	Non-Application Layer Protocol	Taidoor can use TCP for C2 communications.[1]

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: 2.1
Created: May 31, 2017, 21:32 UTC (UTC+00:00)
Modified: Apr 10, 2024, 22:36 UTC (UTC+00:00)
Raw hash: b024d003d908b355...

Imported snapshots across ATT&CK releases(3)

Release	Bundle imported	Object version	Modified	Status	Raw hash
20.0	Oct 18, 2026, 20:39 UTC (UTC+00:00)	2.1	Apr 10, 2024, 22:36 UTC (UTC+00:00)	Current bundle	`b024d003d908…`
19.2	Aug 6, 2026, 02:58 UTC (UTC+00:00)	2.1	Apr 10, 2024, 22:36 UTC (UTC+00:00)	Older bundle	`b024d003d908…`
19.1	Jul 14, 2026, 09:14 UTC (UTC+00:00)	2.1	Apr 10, 2024, 22:36 UTC (UTC+00:00)	Older bundle	`b024d003d908…`

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.

Open mirrored raw JSON Open MITRE-hosted copy

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]
CISA MAR-10292089-1.v2 TAIDOOR August 2021
CISA, FBI, DOD. (2021, August). MAR-10292089-1.v2 – Chinese Remote Access Trojan: TAIDOOR. Retrieved August 24, 2021.
Open source URL
[2]
TrendMicro Taidoor
Trend Micro. (2012). The Taidoor Campaign. Retrieved November 12, 2014.
[3]
mitre-attackS0011
Open source URL

Source and licensing

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