public void AddAttribute(MISPAttribute att)
{
if (Attribute == null)
{
Attribute = new List <MISPAttribute>();
}
Attribute.Add(att);
}
public void DoSave()
{
MISPEvent evt = new MISPEvent();
evt.info = col.IncidentTitle;
evt.publishtimestamp = HelperClass.GetUnixEpochTime(DateTime.Now);
if (col.InitialCompromise != null)
{
evt.timestamp = HelperClass.GetUnixEpochTime((DateTime)col.InitialCompromise);
}
else
{
evt.timestamp = "";
}
evt.analysis = "2"; //"Complete"
evt.published = true;
if (col.IncidentDiscovered != null)
{
evt.date = ((DateTime)col.IncidentDiscovered).ToString("yyyy-MM-dd");
}
else
{
evt.date = "";
}
MISPOrgc org = new MISPOrgc();
org.name = col.ReportingOrganisation;
evt.orgc = org;
evt.threat_level_id = "2"; //"Medium" - TODO - make this take value from Low/Mid/High by adding a new field to gui
//Add the col.Observables as attributes
#region col.ObservablesToAttributes
foreach (ObservableObject o in col.Observables)
{
MISPAttribute A = new MISPAttribute();
A.comment = o.Description;
if (col.InitialCompromise != null)
{
A.timestamp = HelperClass.GetUnixEpochTime((DateTime)col.InitialCompromise);
}
else
{
A.timestamp = "";
}
A.to_ids = false;
//Do different stuff dependant on the type of indicator
#region MalwareSample
if (o.FriendlyTypeName == "Malware Sample")
{
A.category = "Payload delivery";
if (o.Fields.FindAll(x => x.FieldName == "Hashes.MD5").Count > 0 && !String.IsNullOrWhiteSpace(o.Fields.Find(x => x.FieldName == "Hashes.MD5").Value))
{
if (!String.IsNullOrWhiteSpace(o.Fields.Find(x => x.FieldName == "File_Name").Value))
{
A.value = o.Fields.Find(x => x.FieldName == "File_Name").Value + "|" + o.Fields.Find(x => x.FieldName == "Hashes.MD5").Value;
A.type = "filename|md5";
}
else
{
A.value = o.Fields.Find(x => x.FieldName == "Hashes.MD5").Value;
A.type = "md5";
}
}
else if (o.Fields.FindAll(x => x.FieldName == "Hashes.SHA1").Count > 0 && !String.IsNullOrWhiteSpace(o.Fields.Find(x => x.FieldName == "Hashes.SHA1").Value))
{
if (!String.IsNullOrWhiteSpace(o.Fields.Find(x => x.FieldName == "File_Name").Value))
{
A.value = o.Fields.Find(x => x.FieldName == "File_Name").Value + "|" + o.Fields.Find(x => x.FieldName == "Hashes.SHA1").Value;
A.type = "filename|sha1";
}
else
{
A.value = o.Fields.Find(x => x.FieldName == "Hashes.SHA1").Value;
A.type = "sha1";
}
}
evt.AddAttribute(A);
}
#endregion
#region Domain
else if (o.FriendlyTypeName == "Domain")
{
A.category = "Network activity";
A.value = o.Fields.Find(x => x.FieldName == "Domain").Value;
A.type = "domain";
evt.AddAttribute(A);
}
#endregion
#region IP
else if (o.FriendlyTypeName == "IP Address")
{
A.category = "Network activity";
A.type = "ip-dst"; //TODO - CORRECTLY ASSIGN DIRECTION BASED ON RELATIONSHIPS
string ip4 = o.Fields.Find(x => x.FieldName == "IPv4").Value;
string ip6 = o.Fields.Find(x => x.FieldName == "IPv6").Value;
if (!string.IsNullOrEmpty(ip4) && string.IsNullOrEmpty(ip6))
{
A.value = ip4;
}
else if (string.IsNullOrEmpty(ip4) && !string.IsNullOrEmpty(ip6))
{
A.value = ip6;
}
else if (!string.IsNullOrEmpty(ip4) && !string.IsNullOrEmpty(ip6))
{
A.value = ip4;
MISPAttribute A2 = new MISPAttribute();
A2.comment = A.comment;
A2.timestamp = A.timestamp;
A2.to_ids = A.to_ids;
A2.type = A.type;
A2.category = A.category;
A2.value = ip6;
evt.AddAttribute(A2);
}
evt.AddAttribute(A);
}
#endregion
#region Registry
else if (o.FriendlyTypeName == "Registry")
{
A.category = "Persistence mechanism";
string hive = o.Fields.Find(x => x.FieldName == "Hive").Value;
string key = o.Fields.Find(x => x.FieldName == "Key").Value;
string rvalue = o.Fields.Find(x => x.FieldName == "Value").Value;
if (!string.IsNullOrEmpty(hive) && !string.IsNullOrEmpty(key) && !string.IsNullOrEmpty(rvalue))
{
A.type = "regkey|value";
A.value = hive + "\\" + key + "|" + rvalue;
}
else
{
A.type = "regkey";
A.value = "";
if (!string.IsNullOrEmpty(hive))
{
A.value = hive + "\\";
}
A.value += key;
}
evt.AddAttribute(A);
}
#endregion
}
#endregion
using (StreamWriter w = new StreamWriter(outputpath))
{
w.WriteLine("{\"Event\":" + JsonConvert.SerializeObject(evt, Newtonsoft.Json.Formatting.Indented) + "}");
}
return;
}
