Add in signature for ATM malware

modules/signatures/windows/atm.py

@@ -0,0 +1,39 @@
+# Copyright (C) 2018 Kevin Ross
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from lib.cuckoo.common.abstracts import Signature
+
+class ATMDLLImport(Signature):
+    name = "atm_dll_import"
+    description = "Contains import to load an ATM specific DLL"
+    severity = 2
+    categories = ["atm", "static"]
+    authors = ["Kevin Ross"]
+    minimum = "2.0"
+
+    atmimports = [
+        "msxfs.dll",
+        "xfs_conf.dll",
+        "xfs_supp.dll",
+    ]
+
+    def on_complete(self):
+        for imports in self.get_results("static", {}).get("pe_imports", []):
+            dll = imports["dll"]
+            for atmimport in self.atmimports: 
+                if atmimport in dll.lower():
+                    self.mark_ioc("dll_import", dll)
+
+        return self.has_marks()