Added signature to detect UPX-compressed files

modules/signatures/upx_compressed.py

@@ -0,0 +1,32 @@
+# Copyright (C) 2012 Michael Boman (@mboman)
+#
+# 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 UPXCompressed(Signature):
+    name = "upx_compressed"
+    description = "The executable is compressed using UPX"
+    severity = 2
+    categories = ["packers"]
+    authors = ["Michael Boman"]
+    minimum = "0.4"
+
+    def run(self, results):
+        for pe_section in results["static"]["pe_sections"]:
+            if pe_section["name"].startswith("UPX"):
+                self.data.append({"pe_section" : pe_section})
+                return True
+
+        return False