Windows: Deletion of TeamViewer log files

ATT&CK techniques

Defense Evasion

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
- T1070.004File Deletion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule identifies Windows file deletions where the target filename contains \TeamViewer_ and ends with .log. Deleting application logs can indicate an attempt to hinder incident investigation and remove forensic evidence. It relies on file deletion telemetry that includes the deleted filename and the process image, and it filters out deletions initiated by svchost.exe.

Reporting behind it

Related detections9 linkedT1070.004 — drag to rearrange

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Self-Deletion via Ping Loopback Delay and Del Command

Suspicious Deletion of Explorer RunMRU Values

Suspicious PowerShell Self-Delete Of Executable via Process Creation

Suspicious Prefetch Deletion for Anti-Forensics

Malicious Ransomware Self-Deletion via Ping Loopback and Del

Suspicious Self-Deletion Batch Artifact by JadeProx TriBack Loader (via file_event)

Windows: Deletion of TeamViewer log files

Pivot detection · T1070.004 · 9 related

Changelog

v2

v2
Candidate ingested via manual entry.2026-07-31
v1
No changelog recorded for this version.2026-07-30

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

windows-teamviewer-log-file-deletion-b1decb61

title: "Windows: Deletion of TeamViewer log files"
id: a08dc6f5-400c-46a8-b86a-383c81f15234
status: test
description: This rule identifies Windows file deletions where the target filename contains \TeamViewer_ and ends with .log. Deleting application logs can indicate an attempt to hinder incident investigation and remove forensic evidence. It relies on file deletion telemetry that includes the deleted filename and the process image, and it filters out deletions initiated by svchost.exe.
references:
  - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1070.004/T1070.004.md
  - https://github.com/SigmaHQ/sigma/blob/master/rules/windows/file/file_delete/file_delete_win_delete_teamviewer_logs.yml
author: frack113, Huntrule Team
date: 2022-01-16
modified: 2023-02-15
tags:
  - attack.stealth
  - attack.t1070.004
logsource:
  product: windows
  category: file_delete
detection:
  selection:
    TargetFilename|contains: \TeamViewer_
    TargetFilename|endswith: .log
  filter:
    Image: C:\Windows\system32\svchost.exe
  condition: selection and not filter
falsepositives:
  - Unknown
level: low
license: DRL-1.1
related:
  - id: b1decb61-ed83-4339-8e95-53ea51901720
    type: derived

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