dfirhub

OpenSSHServer

Appsv1

Author: Matt Dawson

description

OpenSSH Server Config and Logs

paths

9 paths
AppsOpenSSH Server Config File
C:\ProgramData\ssh\sshd_config

Config file can hold information on allowed/denied users

AppsOpenSSH Server Logs
C:\ProgramData\ssh\logs\*

OpenSSH server logs

AppsOpenSSH Host ECDSA Key
C:\ProgramData\ssh\ssh_host_ecdsa_key

Retrieves the host ECDSA key

AppsOpenSSH Host ED25519 Key
C:\ProgramData\ssh\ssh_host_ed25519_key

Retrieves the host ED25519 key

AppsOpenSSH Host DSA Key
C:\ProgramData\ssh\ssh_host_dsa_key

Retrieves the host DSA key

AppsOpenSSH Host RSA Key
C:\ProgramData\ssh\ssh_host_rsa_key

Retrieves the host RSA key

AppsOpenSSH User Authorized Keys
C:\Users\%user%\.ssh\authorized_keys

Retrieves the user's authorised public keys

AppsOpenSSH User Authorized Keys 2
C:\Users\%user%\.ssh\authorized_keys2

Retrieves the user's authorised public keys from the second file

AppsOpenSSH Authorized Administrator Keys
C:\ProgramData\ssh\administrators_authorized_keys

Retrieves the administrator group's authorised public keys

› paths use Windows environment syntax

collection commands 

# PowerShell Artifact Collection Script
# Target: OpenSSHServer
# Run as Administrator

#Requires -RunAsAdministrator

$ErrorActionPreference = "SilentlyContinue"
$DestBase = "D:\Evidence"

# Function to handle directory creation and copying
function Collect-Artifact {
    param (
        [string]$SourcePath,
        [string]$FolderName
    )
    $FullDest = Join-Path -Path $DestBase -ChildPath $FolderName
    if (-not (Test-Path -Path $FullDest)) {
        New-Item -ItemType Directory -Path $FullDest -Force | Out-Null
    }
    Copy-Item -Path $SourcePath -Destination $FullDest -Recurse -Force
}

# 1. OpenSSH Server Config File
Collect-Artifact -SourcePath "C:\ProgramData\ssh\\sshd_config" -FolderName "OpenSSH_Server_Config_File"

# 2. OpenSSH Server Logs
Collect-Artifact -SourcePath "C:\ProgramData\ssh\logs\\*" -FolderName "OpenSSH_Server_Logs"

# 3. OpenSSH Host ECDSA Key
Collect-Artifact -SourcePath "C:\ProgramData\ssh\\ssh_host_ecdsa_key" -FolderName "OpenSSH_Host_ECDSA_Key"

# 4. OpenSSH Host ED25519 Key
Collect-Artifact -SourcePath "C:\ProgramData\ssh\\ssh_host_ed25519_key" -FolderName "OpenSSH_Host_ED25519_Key"

# 5. OpenSSH Host DSA Key
Collect-Artifact -SourcePath "C:\ProgramData\ssh\\ssh_host_dsa_key" -FolderName "OpenSSH_Host_DSA_Key"

# 6. OpenSSH Host RSA Key
Collect-Artifact -SourcePath "C:\ProgramData\ssh\\ssh_host_rsa_key" -FolderName "OpenSSH_Host_RSA_Key"

# 7. OpenSSH User Authorized Keys
$UserPath = Join-Path $env:USERPROFILE ".ssh\"
Collect-Artifact -SourcePath "$UserPath\authorized_keys" -FolderName "OpenSSH_User_Authorized_Keys"

# 8. OpenSSH User Authorized Keys 2
$UserPath = Join-Path $env:USERPROFILE ".ssh\"
Collect-Artifact -SourcePath "$UserPath\authorized_keys2" -FolderName "OpenSSH_User_Authorized_Keys_2"

# 9. OpenSSH Authorized Administrator Keys
Collect-Artifact -SourcePath "C:\ProgramData\ssh\\administrators_authorized_keys" -FolderName "OpenSSH_Authorized_Administrator_Keys"

Write-Host "Collection complete!" -ForegroundColor Green

› Save as .ps1 and run as Administrator. Use: powershell -ExecutionPolicy Bypass -File script.ps1

references

included in collections

ServerTriage