Sigma rule: New Capture Session Launched Via DXCap.EXE

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-ec912d39ef1d, updated 2022-06-09T00:00:00.000Z.

Rule

Title
New Capture Session Launched Via DXCap.EXE
Status
test
Level
medium
Author
Beyu Denis, oscd.community, Nasreddine Bencherchali (Nextron Systems)
Date
2019-10-26
Modified
2022-06-09
File
rules/windows/process_creation/proc_creation_win_dxcap_arbitrary_binary_execution.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the execution of "DXCap.EXE" with the "-c" flag, which allows a user to launch any arbitrary binary or windows package through DXCap itself. This can be abused to potentially bypass application whitelisting.

Log source

product
windows
category
process_creation

Detection

selection_img:
    - Image|endswith: '\DXCap.exe'
    - OriginalFileName: 'DXCap.exe'
selection_cli:
    CommandLine|contains: ' -c ' # The ".exe" is not required to run the binary
condition: all of selection*

False positives (as the rule lists them)

  • Legitimate execution of dxcap.exe by legitimate user

Tags

  • attack.stealth
  • attack.t1218

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_dxcap_arbitrary_binary_execution.yml

Sources and licences

  • SigmaHQ

    "New Capture Session Launched Via DXCap.EXE" by Beyu Denis, oscd.community, Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_dxcap_arbitrary_binary_execution.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: New Capture Session Launched Via DXCap.EXE",
entity page, dataset version ref-ec912d39ef1d, updated 2022-06-09T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/60f16a96-db70-42eb-8f76-16763e333590 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 60f16a96-db70-42eb-8f76-16763e333590, 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.