DFIRHub

FileZillaServer

Appsv1

Author: Andrew Rathbun

FileZilla Server Logs

Paths

2 paths
Paths use Windows environment variable syntax

References

Notes

FileZilla Server Interface.xml will display the following information:

<FileZillaServer>

<Settings>

<Item name="Last Server Address" type="string">localhost</Item>

<Item name="Last Server Port" type="numeric">12345</Item>

<Item name="Last Server Password" type="string" />

<Item name="Always use last server" type="numeric">0</Item>

<Item name="Start Minimized" type="numeric">0</Item>

</Settings>

</FileZillaServer>

FileZilla Server.log will display the following information:

(000018) 4/3/2021 11:08:27 AM - (not logged in) (192.168.131.1)> USER Andrew

(000018) 4/3/2021 11:08:27 AM - (not logged in) (192.168.131.1)> 331 Password required for andrew

(000018) 4/3/2021 11:08:27 AM - (not logged in) (192.168.131.1)> PASS

(000018) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> 230 Logged on

(000017) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> CWD /EVT

(000017) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> 250 CWD successful. "/EVT" is current directory.

(000017) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> TYPE I

(000017) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> 200 Type set to I

(000018) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> CWD /EVT

(000018) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> 250 CWD successful. "/EVT" is current directory.

(000017) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> PASV

(000017) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> 227 Entering Passive Mode (192,168,131,128,204,144)

(000018) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> TYPE I

(000018) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> 200 Type set to I

(000017) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> RETR Internet.evt

(000018) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> PASV

(000018) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> 227 Entering Passive Mode (192,168,131,128,255,124)

(000017) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> 150 Opening data channel for file download from server of "/EVT/Internet.evt"

(000018) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> RETR AppEvent.Evt

(000018) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> 150 Opening data channel for file download from server of "/EVT/AppEvent.Evt"

(000018) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> 226 Successfully transferred "/EVT/AppEvent.Evt"

(000017) 4/3/2021 11:08:27 AM - andrew (192.168.131.1)> 226 Successfully transferred "/EVT/Internet.evt"

The above example shows me downloading two test .EVT files to my host machine shortly after reconnecting to the FTP Server administered by FileZilla Server which was running within a Windows 10 VM.

Collection commands

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

#Requires -RunAsAdministrator

$ErrorActionPreference = "Continue"
$SourceRoot = "C:"
$DestBase   = "D:\Evidence"
$Summary = @{ Copied = 0; Missed = 0; Errors = 0 }

function Collect-Artifact {
    param(
        [Parameter(Mandatory)][string]$SourceDir,
        [Parameter(Mandatory)][string]$FolderName,
        [string]$FileMask = "*"
    )
    # Expand wildcards in any path segment (e.g. 'Program Files*',
    # 'ScreenConnect Client*'). robocopy itself does not glob the source.
    $sources = @(Get-Item -Path $SourceDir -ErrorAction SilentlyContinue |
        Where-Object { $_.PSIsContainer })
    if ($sources.Count -eq 0) {
        $Summary.Missed++
        return
    }
    $FullDest = Join-Path -Path $DestBase -ChildPath $FolderName
    $null = New-Item -ItemType Directory -Force -Path $FullDest -ErrorAction SilentlyContinue
    foreach ($src in $sources) {
        robocopy $src.FullName "$FullDest" "$FileMask" /E /COPY:DAT /R:0 /W:0 /NP /NFL /NDL /NJH /NJS 2>$null | Out-Null
        if ($LASTEXITCODE -le 7) { $Summary.Copied++ } else { $Summary.Errors++ }
    }
}

# 1. FileZilla Log Files
Collect-Artifact -SourceDir "C:\Program Files (x86)\FileZilla Server\Logs" -FileMask "*.log*" -FolderName "FileZilla_Log_Files"

# Iterate every user profile under the source drive
Get-ChildItem "$SourceRoot\Users" -Directory -ErrorAction SilentlyContinue |
    Where-Object { $_.Name -notin @('All Users', 'Default', 'Default User', 'Public') } |
    ForEach-Object {
        $UserName = $_.Name
        # FileZilla Server XML Log Files
        $UserPath = "$($_.FullName)\AppData\Roaming\FileZilla Server"
        Collect-Artifact -SourceDir $UserPath -FileMask "*.xml*" -FolderName "FileZilla_Server_XML_Log_Files_$UserName"
    }

Write-Host ("Collection complete. Copied: {0}  Missed: {1}  Errors: {2}" -f $Summary.Copied, $Summary.Missed, $Summary.Errors) -ForegroundColor Green

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

Included in collections: SANS_TriageFTPClientsServerTriage