Threat Huntmediumtest

Tunneling Tool Execution

Detects the execution of well known tools that can be abused for data exfiltration and tunneling.

Convert In Phoenix Studio

Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Launch
Daniil Yugoslavskiy, oscd.communityCreated Thu Oct 24Updated Thu Jan 18c75309a3-59f8-4a8d-9c2c-4c927ad50555windows
Hunting Hypothesis
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:
        Image|endswith:
            - '\httptunnel.exe'
            - '\plink.exe'
            - '\socat.exe'
            - '\stunnel.exe'
    condition: selection
False Positives

Legitimate administrators using one of these tools

Rule Metadata
Rule ID
c75309a3-59f8-4a8d-9c2c-4c927ad50555
Status
test
Level
medium
Type
Threat Hunt
Created
Thu Oct 24
Modified
Thu Jan 18
Path
rules-threat-hunting/windows/process_creation/proc_creation_win_susp_exfil_and_tunneling_tool_execution.yml
Raw Tags
attack.exfiltrationattack.command-and-controlattack.t1041attack.t1572attack.t1071.001detection.threat-hunting
View on GitHub