Detectionhightest

Suspicious Plink Port Forwarding

Detects suspicious Plink tunnel port forwarding to a local port

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Launch
Florian Roth (Nextron Systems)Created Tue Jan 19Updated Sun Oct 0948a61b29-389f-4032-b317-b30de6b95314windows
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 Logic1 selector
detection:
    selection:
        Description: 'Command-line SSH, Telnet, and Rlogin client'
        CommandLine|contains: ' -R '
    condition: selection
False Positives

Administrative activity using a remote port forwarding to a local port

Rule Metadata
Rule ID
48a61b29-389f-4032-b317-b30de6b95314
Status
test
Level
high
Type
Detection
Created
Tue Jan 19
Modified
Sun Oct 09
Path
rules/windows/process_creation/proc_creation_win_plink_port_forwarding.yml
Raw Tags
attack.command-and-controlattack.t1572attack.lateral-movementattack.t1021.001
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