kevmap

Techniques › T1564 › T1564.005

T1564.005 Hidden File System

stealth — Linux, macOS, Windows · attack.mitre.org · JSON

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MITRE detection strategy
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analytics
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Sigma rules tagged attack.t1564.005
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KEV CVEs mapped here
<p>Adversaries may use a hidden file system to conceal malicious activity from users and security tools. File systems provide a structure to store and access data from physical storage. Typically, a user engages with a file system through applications that allow them to access files and directories, which are an abstraction from their physical location (ex: disk sector). Standard file systems include FAT, NTFS, ext4, and APFS. File systems can also contain other structures, such as the Volume Boot Record (VBR) and Master File Table (MFT) in NTFS.</p><p>Adversaries may use their own abstracted file system, separate from the standard file system present on the infected system. In doing so, adversaries can hide the presence of malicious components and file input/output from security tools. Hidden file systems, sometimes referred to as virtual file systems, can be implemented in numerous ways. One implementation would be to store a file system in reserved disk space unused by disk structures or standard file system partitions. Another implementation could be for an adversary to drop their own portable partition image as a file on top of the standard file system. Adversaries may also fragment files across the existing file system structure in non-standard ways.</p>

KEV CVEs mapped to this technique · CTID Mappings Explorer

None. No KEV entry in the public mapping names this technique. Given that 74.7% of KEV has no mapping at all, this says more about the mapping than about the technique.

Detection strategy · ATT&CK Enterprise v19.2

Sigma rules · SigmaHQ da9bb07d64, tag attack.t1564.005

No Sigma rule carries this tag. MITRE publishes a detection strategy above, so the behaviour is specified; what is missing is public detection content.

Rules tagged at the parent level (attack.t1564) 10

These target the parent technique, not this sub-technique specifically. Listed for completeness, not counted as coverage.

Sysmon Configuration Modification hightest
Author: frack113 · 2021-06-04 (modified 2022-08-02) · logsource: product=windows category=sysmon_status · 1f2b5353-573f-4880-8e33-7d04dcf97744
Detects when an attacker tries to hide from Sysmon by disabling or stopping it
Techniques: T1564
CrashControl CrashDump Disabled mediumtest
Author: Tobias Michalski (Nextron Systems) · 2022-02-24 (modified 2023-08-17) · logsource: product=windows category=registry_set · 2ff692c2-4594-41ec-8fcb-46587de769e0
Detects disabling the CrashDump per registry (as used by HermeticWiper)
Techniques: T1564T1112
PUA - System Informer Execution mediumtest
Author: Florian Roth (Nextron Systems) · 2023-05-08 (modified 2024-11-23) · logsource: product=windows category=process_creation · 5722dff1-4bdd-4949-86ab-fbaf707e767a
Detects the execution of System Informer, a task manager tool to view and manipulate processes, kernel options and other low level operations
Techniques: T1082T1564T1543
Potentially Suspicious Execution From Parent Process In Public Folder hightest
Author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems) · 2022-02-25 (modified 2024-07-12) · logsource: product=windows category=process_creation · 69bd9b97-2be2-41b6-9816-fb08757a4d1a
Detects a potentially suspicious execution of a parent process located in the "\Users\Public" folder executing a child process containing references to shell or scripting binaries and commandlines.
Techniques: T1564T1059
Suspicious Executable File Creation hightest
Author: frack113 · 2022-09-05 (modified 2023-12-11) · logsource: product=windows category=file_event · 74babdd6-a758-4549-9632-26535279e654
Detect creation of suspicious executable file names. Some strings look for suspicious file extensions, others look for filenames that exploit unquoted service paths.
Techniques: T1564
PUA - Process Hacker Execution mediumtest
Author: Florian Roth (Nextron Systems) · 2022-10-10 (modified 2024-11-23) · logsource: product=windows category=process_creation · 811e0002-b13b-4a15-9d00-a613fce66e42
Detects the execution of Process Hacker based on binary metadata information (Image, Hash, Imphash, etc). Process Hacker is a tool to view and manipulate processes, kernel options and other low level options. Threat actors abused older vulnerable versions to manipulate system processes.
Techniques: T1622T1564T1543
Sysmon Configuration Error hightest
Author: frack113 · 2021-06-04 (modified 2026-07-23) · logsource: product=windows category=sysmon_error · 815cd91b-7dbc-4247-841a-d7dd1392b0a8
Detects when an adversary is trying to hide it's action from Sysmon logging based on error messages
Techniques: T1564
Virtualbox Driver Installation or Starting of VMs lowtest
Author: Janantha Marasinghe · 2020-09-26 (modified 2025-07-29) · logsource: product=windows category=process_creation · bab049ca-7471-4828-9024-38279a4c04da
Adversaries can carry out malicious operations using a virtual instance to avoid detection. This rule is built to detect the registration of the Virtualbox driver or start of a Virtualbox VM.
Techniques: T1564.006T1564
Suspicious Creation with Colorcpl hightest
Author: frack113 · 2022-01-21 (modified 2023-01-05) · logsource: product=windows category=file_event · e15b518d-b4ce-4410-a9cd-501f23ce4a18
Once executed, colorcpl.exe will copy the arbitrary file to c:\windows\system32\spool\drivers\color\
Techniques: T1564
Mount Execution With Hidepid Parameter mediumtest
Author: Joseliyo Sanchez, @Joseliyo_Jstnk · 2023-01-12 · logsource: product=linux category=process_creation · ec52985a-d024-41e3-8ff6-14169039a0b3
Detects execution of the "mount" command with "hidepid" parameter to make invisible processes to other users from the system
Techniques: T1564