Sigma rule: Unusual File Download from Direct IP Address

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-2341168ca20b, updated 2023-02-10T00:00:00.000Z.

Rule

Title: Unusual File Download from Direct IP Address
Status: test
Level: high
Author: Nasreddine Bencherchali (Nextron Systems), Florian Roth (Nextron Systems)
Date: 2022-09-07
Modified: 2023-02-10
File: rules/windows/create_stream_hash/create_stream_hash_susp_ip_domains.yml
Commit: ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the download of suspicious file type from URLs with IP

Log source

product: windows
category: create_stream_hash

Detection

selection:
    Contents|re: 'http[s]?://[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}'
    TargetFilename|contains:
        - '.ps1:Zone'
        - '.bat:Zone'
        - '.exe:Zone'
        - '.vbe:Zone'
        - '.vbs:Zone'
        - '.dll:Zone'
        - '.one:Zone'
        - '.cmd:Zone'
        - '.hta:Zone'
        - '.xll:Zone'
        - '.lnk:Zone'
condition: selection

False positives (as the rule lists them)

Unknown

MITRE ATT&CK ids this rule names

T1564.004

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/create_stream_hash/create_stream_hash_susp_ip_domains.yml

Sources and licences

SigmaHQ
"Unusual File Download from Direct IP Address" by Nasreddine Bencherchali (Nextron Systems), Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/create_stream_hash/create_stream_hash_susp_ip_domains.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: Unusual File Download from Direct IP Address",
entity page, dataset version ref-2341168ca20b, updated 2023-02-10T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/025bd229-fd1f-4fdb-97ab-20006e1a5368 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 025bd229-fd1f-4fdb-97ab-20006e1a5368, 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.