Sigma rule: RDP to HTTP or HTTPS Target Ports

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-94f7316bdf0d, updated 2022-07-14T00:00:00.000Z.

Rule

Title
RDP to HTTP or HTTPS Target Ports
Status
test
Level
high
Author
Florian Roth (Nextron Systems)
Date
2022-04-29
Modified
2022-07-14
File
rules/windows/network_connection/net_connection_win_rdp_to_http.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects svchost hosting RDP termsvcs communicating to target systems on TCP port 80 or 443

Log source

product
windows
category
network_connection

Detection

selection:
    Image|endswith: '\svchost.exe'
    Initiated: 'true'
    SourcePort: 3389
    DestinationPort:
        - 80
        - 443
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.command-and-control
  • attack.t1572
  • attack.lateral-movement
  • attack.t1021.001
  • car.2013-07-002

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/network_connection/net_connection_win_rdp_to_http.yml

Sources and licences

  • SigmaHQ

    "RDP to HTTP or HTTPS Target Ports" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/network_connection/net_connection_win_rdp_to_http.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: RDP to HTTP or HTTPS Target Ports",
entity page, dataset version ref-94f7316bdf0d, updated 2022-07-14T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/b1e5da3b-ca8e-4adf-915c-9921f3d85481 (accessed 2026-11-03).
Underlying source: SigmaHQ rule b1e5da3b-ca8e-4adf-915c-9921f3d85481, 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.