Detectionmediumtest
Cloudflared Portable Execution
Detects the execution of the "cloudflared" binary from a non standard location.
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Nasreddine Bencherchali (Nextron Systems)Created Wed Dec 20fadb84f0-4e84-4f6d-a1ce-9ef2bffb6ccdwindows
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:
Image|endswith: '\cloudflared.exe'
filter_main_admin_location:
Image|contains:
- ':\Program Files (x86)\cloudflared\'
- ':\Program Files\cloudflared\'
condition: selection and not 1 of filter_main_*False Positives
Legitimate usage of Cloudflared portable versions
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Rule ID
fadb84f0-4e84-4f6d-a1ce-9ef2bffb6ccd
Status
test
Level
medium
Type
Detection
Created
Wed Dec 20
Path
rules/windows/process_creation/proc_creation_win_cloudflared_portable_execution.yml
Raw Tags
attack.command-and-controlattack.t1090.001