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Finding cross-domain GPOs #80

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Finding cross-domain GPOs #80

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13 changes: 10 additions & 3 deletions Sharphound2/Enumeration/ContainerHelpers.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@ internal static void BuildGpoCache(string domain)

domain = d.Name;
foreach (var entry in _utils.DoSearch("(&(objectCategory=groupPolicyContainer)(name=*)(gpcfilesyspath=*))",
SearchScope.Subtree, new[] { "displayname", "name" }, domain))
SearchScope.Subtree, new[] { "displayname", "name" }))
{
var name = entry.GetProp("name").ToUpper();
var dName = entry.GetProp("displayname")?.ToUpper() ?? name;
Expand Down Expand Up @@ -66,13 +66,16 @@ internal static void ResolveContainer(SearchResultEntry entry, ResolvedEntry res
var index = dn.IndexOf("CN=", StringComparison.OrdinalIgnoreCase) + 4;
var name = dn.Substring(index, index + 25).ToUpper();

var dc = dn.Split(new string[] { ",DC=" }, StringSplitOptions.None).Skip(1);
var gpoDomain = string.Join(".", dc.ToArray());

if (!_gpoCache.ContainsKey(name)) continue;

var dName = _gpoCache[name];
links.Add(new GpLink
{
IsEnforced = enforced,
Name = $"{dName}@{domain}"
Name = $"{dName}@{gpoDomain}"
});
}

Expand Down Expand Up @@ -142,13 +145,17 @@ internal static void ResolveContainer(SearchResultEntry entry, ResolvedEntry res
var enforced = status.Equals("2");
var index = dn.IndexOf("CN=", StringComparison.OrdinalIgnoreCase) + 4;
var name = dn.Substring(index, index + 25).ToUpper();

var dc = dn.Split(new string[] { ",DC=" }, StringSplitOptions.None).Skip(1);
var gpoDomain = string.Join(".", dc.ToArray());

if (!_gpoCache.ContainsKey(name)) continue;

var dName = _gpoCache[name];
links.Add(new GpLink
{
IsEnforced = enforced,
Name = $"{dName}@{domain}"
Name = $"{dName}@{gpoDomain}"
});
}

Expand Down