Sigma rule: Conhost.exe CommandLine Path Traversal

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-1086234566b0, updated 2022-06-14T00:00:00.000Z.

Rule

Title
Conhost.exe CommandLine Path Traversal
Status
test
Level
high
Author
Nasreddine Bencherchali (Nextron Systems)
Date
2022-06-14
File
rules/windows/process_creation/proc_creation_win_conhost_path_traversal.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

detects the usage of path traversal in conhost.exe indicating possible command/argument confusion/hijacking

Log source

product
windows
category
process_creation

Detection

selection:
    ParentCommandLine|contains: 'conhost'
    CommandLine|contains: '/../../'
condition: selection

False positives (as the rule lists them)

  • Unlikely

Tags

  • attack.execution
  • attack.t1059.003

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_conhost_path_traversal.yml

Sources and licences

  • SigmaHQ

    "Conhost.exe CommandLine Path Traversal" by Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_conhost_path_traversal.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Conhost.exe CommandLine Path Traversal",
entity page, dataset version ref-1086234566b0, updated 2022-06-14T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/ee5e119b-1f75-4b34-add8-3be976961e39 (accessed 2026-11-03).
Underlying source: SigmaHQ rule ee5e119b-1f75-4b34-add8-3be976961e39, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.