Sigma rule: Suspicious Scan Loop Network

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-bba73eb5ea33, updated 2022-03-12T00:00:00.000Z.

Rule

Title
Suspicious Scan Loop Network
Status
test
Level
medium
Author
frack113
Date
2022-03-12
File
rules/windows/process_creation/proc_creation_win_susp_network_scan_loop.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Adversaries may attempt to get a listing of other systems by IP address, hostname, or other logical identifier on a network that may be used for Lateral Movement from the current system

Log source

product
windows
category
process_creation

Detection

selection_loop:
    CommandLine|contains:
        - 'for '
        - 'foreach '
selection_tools:
    CommandLine|contains:
        - 'nslookup'
        - 'ping'
condition: all of selection_*

False positives (as the rule lists them)

  • Legitimate script

Tags

  • attack.execution
  • attack.t1059
  • attack.discovery
  • attack.t1018

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_susp_network_scan_loop.yml

Sources and licences

  • SigmaHQ

    "Suspicious Scan Loop Network" by frack113 (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_susp_network_scan_loop.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: Suspicious Scan Loop Network",
entity page, dataset version ref-bba73eb5ea33, updated 2022-03-12T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/f8ad2e2c-40b6-4117-84d7-20b89896ab23 (accessed 2026-11-03).
Underlying source: SigmaHQ rule f8ad2e2c-40b6-4117-84d7-20b89896ab23, 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.