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MITRE ATT&CK® Analytic

AN1858: Analytic 1858

Monitor for newly constructed services/daemons that may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools. Monitor for changes made to files outside of an update or patch that may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools. Monitor for file names that are mismatched between the file name on disk and that of the binary's metadata. This is a likely indicator that a binary was renamed after it was compiled. For added context on adversary procedures and background see Masquerading and applicable sub-techniques. Monitor executed commands and arguments that may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools.[1] Monitor for changes made to scheduled jobs that may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools. Monitor for changes made to services that may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools. Collect file hashes. Monitor for file names that do not match their expected hash. Perform file monitoring. Files with known names but in unusual locations are suspect. Look for indications of common characters that may indicate an attempt to trick users into misidentifying the file type, such as a space as the last character of a file name or the right-to-left override characters"\u202E", "[U+202E]", and "%E2%80%AE". For added context on adversary procedures and background see Masquerading and applicable sub-techniques. Monitor for newly constructed scheduled jobs that may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools.

ICSAN1858AnalyticObject v1.0Modified
Glexia's Take · Automated analysis

Security context for executives and security teams

Automation confidenceMedium

AN1858: Analytic 1858 describes Monitor for newly constructed services/daemons that may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools. Monitor for changes made to files outside of an update or patch that may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools. Monitor for file names that are mismatched between the file name on disk and that of the binary's metadata. This is a likely indicator that a bin...

Executive priority

AN1858: Analytic 1858 is an official MITRE ATT&CK detection analytic. 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 AN1858: Analytic 1858 by reviewing the official ATT&CK relationships, mapped tactics (the mapped ATT&CK tactic context), supported platforms (None), and available local telemetry before making detection or mitigation decisions.

Likely telemetry

  • Official ATT&CK relationships and object metadata

Detection direction

  • Validate whether AN1858: Analytic 1858 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

Analytic 1858

Monitor for newly constructed services/daemons that may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools. Monitor for changes made to files outside of an update or patch that may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools. Monitor for file names that are mismatched between the file name on disk and that of the binary's metadata. This is a likely indicator that a binary was renamed after it was compiled. For added context on adversary procedures and background see Masquerading and applicable sub-techniques. Monitor executed commands and arguments that may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools.[1] Monitor for changes made to scheduled jobs that may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools. Monitor for changes made to services that may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools. Collect file hashes. Monitor for file names that do not match their expected hash. Perform file monitoring. Files with known names but in unusual locations are suspect. Look for indications of common characters that may indicate an attempt to trick users into misidentifying the file type, such as a space as the last character of a file name or the right-to-left override characters"\u202E", "[U+202E]", and "%E2%80%AE". For added context on adversary procedures and background see Masquerading and applicable sub-techniques. Monitor for newly constructed scheduled jobs that may attempt to manipulate features of their artifacts to make them appear legitimate or benign to users and/or security tools.

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.

Relationship explorer

All related ATT&CK context

No relationships are available in the current normalized data for this object.

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
19.2
Object version
1.0
Created
Modified
Raw hash
6437e7a0eb408d50...
Imported snapshots across ATT&CK releases(2)
ReleaseBundle importedObject versionModifiedStatusRaw hash
19.21.0Current bundle6437e7a0eb40…
19.11.0Older bundle6437e7a0eb40…
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]
    Twitter ItsReallyNick Masquerading Update

    Carr, N.. (2018, October 25). Nick Carr Status Update Masquerading. Retrieved September 12, 2024.

    Open source URL
  2. [2]
    mitre-attackAN1858
    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.