Sigma rule: Read Contents From Stdin Via Cmd.EXE

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-10910695b9e3, updated 2023-03-07T00:00:00.000Z.

Rule

Title
Read Contents From Stdin Via Cmd.EXE
Status
test
Level
medium
Author
frack113, Nasreddine Bencherchali (Nextron Systems)
Date
2023-03-07
File
rules/windows/process_creation/proc_creation_win_cmd_stdin_redirect.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detect the use of "<" to read and potentially execute a file via cmd.exe

Log source

product
windows
category
process_creation

Detection

selection_cmd:
    - OriginalFileName: 'Cmd.Exe'
    - Image|endswith: '\cmd.exe'
selection_cli:
    CommandLine|contains: '<'
condition: all of selection_*

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.execution
  • attack.t1059.003

MITRE ATT&CK ids this rule names

Related rules

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_cmd_stdin_redirect.yml

Sources and licences

  • SigmaHQ

    "Read Contents From Stdin Via Cmd.EXE" by frack113, Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_cmd_stdin_redirect.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: Read Contents From Stdin Via Cmd.EXE",
entity page, dataset version ref-10910695b9e3, updated 2023-03-07T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/241e802a-b65e-484f-88cd-c2dc10f9206d (accessed 2026-11-03).
Underlying source: SigmaHQ rule 241e802a-b65e-484f-88cd-c2dc10f9206d, 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.