Detectionmediumtest
Nslookup PowerShell Download Cradle - ProcessCreation
Detects suspicious powershell download cradle using nslookup. This cradle uses nslookup to extract payloads from DNS records
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Launch
Nasreddine Bencherchali (Nextron Systems)Created Mon Sep 05Updated Mon Dec 191b3b01c7-84e9-4072-86e5-fc285a41ff23windows
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic2 selectors
detection:
selection_img:
- Image|contains: '\nslookup.exe'
- OriginalFileName: '\nslookup.exe'
selection_cmd:
ParentImage|endswith:
- '\powershell.exe'
- '\pwsh.exe'
CommandLine|contains:
- ' -q=txt '
- ' -querytype=txt '
condition: all of selection_*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Tactics
Related Rules
Rule Metadata
Rule ID
1b3b01c7-84e9-4072-86e5-fc285a41ff23
Status
test
Level
medium
Type
Detection
Created
Mon Sep 05
Modified
Mon Dec 19
Path
rules/windows/process_creation/proc_creation_win_nslookup_poweshell_download.yml
Raw Tags
attack.defense-evasion