/// <summary>
/// Creates a scan request if the file exists in the virusTotal Database
/// </summary>
/// <returns></returns>
public static async Task <ScanResults> CreateScanReqAsync()
{
ScanResults scanResults = null;
using HttpResponseMessage response = await APIHelper.ApiClient.GetAsync("https://www.virustotal.com/api/v3/files/" + FileInfo.FileInfoInstance.MD5);
if (response.IsSuccessStatusCode)
{
try
{
//deserialize json into object
var jsonString = await response.Content.ReadAsStringAsync();
scanResults = ScanResults.FromJson(jsonString);
return(scanResults);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
else
{
//File not found in virus total database.Need to upload it.
if (!hasBeenUploaded)
{
await UploadFileToVTotalAsync();
scanResults = await CreateScanReqAsync();
}
}
return(scanResults);
}
/// <summary>
/// Async method to create an HTTPPost request to scan the file the user selected. Scan results are filtered and saved
/// </summary>
/// <returns></returns>
private async Task GetScanResultsAsync()
{
ScanResults scanResults = null;
do
{
scanResults = await UploadFile.CreateScanReqAsync();
if (scanResults.Data.Attributes.LastAnalysisResults.Count > 72)
{
break;
}
else
{
// if results are still not of expected size, wait 10 seconds and request them again
await Task.Delay(10000);
}
} while (true);
int malicious = 0;
int undetected = 0;
int unknown = 0;
if (scanResults != null)
{
foreach (KeyValuePair <string, LastAnalysisResult> entry in scanResults.Data.Attributes.LastAnalysisResults)
{
// categorize the outcome of the scan result
if ((int)entry.Value.Category == 0)
{
malicious++;
}
else if ((int)entry.Value.Category == 1)
{
unknown++;
}
else if ((int)entry.Value.Category == 2)
{
undetected++;
}
else if ((int)entry.Value.Category == 3)
{
unknown++;
}
else if ((int)entry.Value.Category == 4)
{
unknown++;
}
}
Func <ChartPoint, string> labelPoint = chartPoint => string.Format("{0} ({1:P})", chartPoint.Y, chartPoint.Participation);
SeriesCollection piechartData = new SeriesCollection
{
new PieSeries
{
Title = "Malicious",
Values = new ChartValues <double> {
malicious
},
DataLabels = true,
LabelPoint = labelPoint,
Fill = System.Windows.Media.Brushes.Maroon
},
new PieSeries
{
Title = "Undetected",
Values = new ChartValues <double> {
undetected
},
DataLabels = true,
LabelPoint = labelPoint,
Fill = System.Windows.Media.Brushes.MediumBlue
},
new PieSeries
{
Title = "Unknown",
Values = new ChartValues <double> {
unknown
},
DataLabels = true,
LabelPoint = labelPoint,
Fill = System.Windows.Media.Brushes.Gray
}
};
pieChart1.Series = piechartData;
CommunityVotesChart(scanResults.Data.Attributes.TotalVotes.Harmless, scanResults.Data.Attributes.TotalVotes.Malicious);
}
}