Suspicious Nslookup PowerShell Download Cradle (via ps_classic_start)
This rule detects a powershell download cradle using nslookup. This cradle uses nslookup to extract payloads from DNS records.
SigmamediumWindowsv1
sigma
suspicious-nslookup-powershell-download-cradle-via-ps-classic-start
title: Suspicious Nslookup PowerShell Download Cradle (via ps_classic_start)
id: 49d5195c-dd3b-567c-b15a-9c8fe1c7f7d9
status: stable
description: This rule detects a powershell download cradle using nslookup. This cradle uses nslookup to extract payloads from DNS records.
references:
- https://attack.mitre.org/techniques/T1059/001/
- https://twitter.com/Alh4zr3d/status/1566489367232651264
author: Huntrule Team
date: 2026-03-30
tags:
- attack.execution
- attack.t1059.001
logsource:
product: windows
category: ps_classic_start
detection:
selection:
Data|contains|all:
- 'powershell'
- 'nslookup'
- '[1]'
Data|contains:
- '-q=txt http'
- '-querytype=txt http'
- '-type=txt http'
condition: selection
falsepositives:
- Unknown
level: medium
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.