# T1222.001 Windows Permissions

> As of 2026-11-11, T1222.001 (Windows Permissions) appears in 10 tracked threats, first reported 2026-04-13 and most recently 2026-11-11, with linked actors including Void Arachne, ALPHV, APT28; it most often appears alongside T1059.001 (PowerShell).

- **Tracked threats:** 10 (1 critical, 5 high, 4 medium)
- **First seen:** 2026-04-13
- **Last seen:** 2026-11-11
- **Threat actors:** 5
- **Detection rules:** 18 (counts only; unlock with TL Creds)

## Key facts

- **ID:** T1222.001
- **Framework:** MITRE ATT&CK
- **Tactics:** Defense Impairment
- **Matrix:** Enterprise
- **Parent:** T1222
- **Data as of:** 2026-11-11
- **MITRE:** https://attack.mitre.org/techniques/T1222/001/

## Activity timeline

T1222.001 first appeared in tracked threats on 2026-04-13 and was most recently reported on 2026-11-11. The busiest month was 2026-09 with 3 reports, and 10 of the 10 threats were reported in the twelve months to 2026-11.

## How adversaries use it

T1222.001 Windows Permissions is catalogued by MITRE ATT&CK under the Defense Impairment tactic in the Enterprise matrix, as a sub-technique of [T1222 File and Directory Permissions Modification](https://intel.threadlinqs.com/technique/T1222). Threadlinqs maps 10 of 3820 tracked threats (0.3%) to it; by severity that is 1 critical, 5 high, 4 medium.

Threats that use T1222.001 most often also use [T1059.001 PowerShell](https://intel.threadlinqs.com/technique/T1059.001) (7 threats), [T1489 Service Stop](https://intel.threadlinqs.com/technique/T1489) (7 threats), [T1059.003 Windows Command Shell](https://intel.threadlinqs.com/technique/T1059.003) (6 threats), [T1053.005 Scheduled Task](https://intel.threadlinqs.com/technique/T1053.005) (5 threats), [T1490 Inhibit System Recovery](https://intel.threadlinqs.com/technique/T1490) (5 threats). These are the techniques an intrusion set tends to chain with it, so they are the natural next places to look when it is observed.

5 tracked threat actors appear in the threats that use T1222.001; the most frequent are [Void Arachne](https://intel.threadlinqs.com/actor/Void%20Arachne) (2), [ALPHV](https://intel.threadlinqs.com/actor/ALPHV) (1), [APT28](https://intel.threadlinqs.com/actor/APT28) (1), [BlackCat](https://intel.threadlinqs.com/actor/BlackCat) (1), [The Gentlemen](https://intel.threadlinqs.com/actor/The%20Gentlemen) (1).

## Mitigations

MITRE ATT&CK lists 2 mitigations for T1222.001.

- [M1022 Restrict File and Directory Permissions](https://attack.mitre.org/mitigations/M1022/)
- [M1026 Privileged Account Management](https://attack.mitre.org/mitigations/M1026/)

## Data sources

Telemetry that can reveal T1222.001, per MITRE ATT&CK.

- Active Directory — Active Directory Object Modification
- Command — Command Execution
- File — File Metadata
- Process — Process Creation

## Threat actors using it

- [Void Arachne](https://intel.threadlinqs.com/actor/Void%20Arachne) — 2
- [ALPHV](https://intel.threadlinqs.com/actor/ALPHV) — 1
- [APT28](https://intel.threadlinqs.com/actor/APT28) — 1
- [BlackCat](https://intel.threadlinqs.com/actor/BlackCat) — 1
- [The Gentlemen](https://intel.threadlinqs.com/actor/The%20Gentlemen) — 1

## Tracked threats

10 tracked threats use T1222.001.

- [AntiFox agentic AI pentest platform (ARTEX fork) abused in IIS webshell to AWS credential-theft intrusions](https://intel.threadlinqs.com/threat/TL-2026-5777) — high — 2026-11-11
- [APT28 (Fancy Bear) Espionage Campaign Against European Defense Contractors Using Hookedge Backdoor](https://intel.threadlinqs.com/threat/TL-2026-3949) — high — 2026-10-20
- [Gentlemen Ransomware (Storm-2697): Double-Extortion RaaS with Fortinet Exploitation, BYOVD EDR Killers and…](https://intel.threadlinqs.com/threat/TL-2026-3832) — high — 2026-10-17
- [SilverFox (Yinhu) Fake Software Download Sites Deliver Per-Request Malware Installers and Weaken Windows…](https://intel.threadlinqs.com/threat/TL-2026-2773) — high — 2026-09-29
- [Ryuk Ransomware Initial Access Operator Karen Vardanyan ("Maneeken") Sentenced to 24 Months in U.S. Federal…](https://intel.threadlinqs.com/threat/TL-2026-2634) — medium — 2026-09-23
- [Silver Fox Counterfeit Installer Campaign Delivers Persistent, Self-Protecting Implant via Spoofed Vendor…](https://intel.threadlinqs.com/threat/TL-2026-2283) — high — 2026-09-01
- [HardBreacher PoC Exploit Targets Kaspersky Endpoint Security Zero-Day for Windows 11 Local Privilege…](https://intel.threadlinqs.com/threat/TL-2026-2258) — medium — 2026-08-31
- [AnyDesk "Send Support Information" Link-Following Denial-of-Service (CVE-2026-15682)](https://intel.threadlinqs.com/threat/TL-2026-1423) — medium — 2026-07-16
- [Former DigitalMint Ransomware Negotiator Angelo Martino Sentenced to 70 Months for BlackCat/ALPHV Extortion…](https://intel.threadlinqs.com/threat/TL-2026-1166) — medium — 2026-07-10
- [CISA KEV Catalog Update: Seven Actively Exploited Vulnerabilities Added 2026-04-13 (Microsoft, Adobe…](https://intel.threadlinqs.com/threat/TL-2026-0357) — critical — 2026-04-13

## Related CVEs

CVEs referenced by the tracked threats that use T1222.001, most frequent first.

- [CVE-2012-1854](https://intel.threadlinqs.com/cve/CVE-2012-1854)
- [CVE-2020-9715](https://intel.threadlinqs.com/cve/CVE-2020-9715)
- [CVE-2023-21529](https://intel.threadlinqs.com/cve/CVE-2023-21529)
- [CVE-2023-27532](https://intel.threadlinqs.com/cve/CVE-2023-27532)
- [CVE-2023-36424](https://intel.threadlinqs.com/cve/CVE-2023-36424)
- [CVE-2024-37085](https://intel.threadlinqs.com/cve/CVE-2024-37085)
- [CVE-2024-55591](https://intel.threadlinqs.com/cve/CVE-2024-55591)
- [CVE-2025-32433](https://intel.threadlinqs.com/cve/CVE-2025-32433)
- [CVE-2025-32463](https://intel.threadlinqs.com/cve/CVE-2025-32463)
- [CVE-2025-33073](https://intel.threadlinqs.com/cve/CVE-2025-33073)
- [CVE-2025-60710](https://intel.threadlinqs.com/cve/CVE-2025-60710)
- [CVE-2025-70795](https://intel.threadlinqs.com/cve/CVE-2025-70795)
- [CVE-2025-7771](https://intel.threadlinqs.com/cve/CVE-2025-7771)
- [CVE-2026-15681](https://intel.threadlinqs.com/cve/CVE-2026-15681)
- [CVE-2026-15682](https://intel.threadlinqs.com/cve/CVE-2026-15682)
- [CVE-2026-21643](https://intel.threadlinqs.com/cve/CVE-2026-21643)
- [CVE-2026-34621](https://intel.threadlinqs.com/cve/CVE-2026-34621)

## Detection coverage

Threadlinqs maintains 18 detection rules mapped to T1222.001 (SPL 5, KQL 7, Sigma 6). Rule content unlocks with TL Creds on a free account; this page shows counts only.

18 detection rules (SPL/KQL/Sigma), unlock with TL Creds: https://threadlinqs.com/tl-creds

## Parent technique

[T1222 File and Directory Permissions Modification](https://intel.threadlinqs.com/technique/T1222) — 34 tracked threats at the technique level.

## Links

- Canonical page: https://intel.threadlinqs.com/technique/T1222.001
- All techniques: https://intel.threadlinqs.com/techniques
- Full detection coverage and IOCs unlock per threat with TL Creds (https://threadlinqs.com/tl-creds); MCP for AI agents (Purple): https://intel.threadlinqs.com/mcp
