diff --git a/bin/deepstate/eclipser.py b/bin/deepstate/eclipser.py
new file mode 100644
index 0000000..6378d2e
--- /dev/null
+++ b/bin/deepstate/eclipser.py
@@ -0,0 +1,60 @@
+#!/usr/bin/env python
+# Copyright (c) 2018 Trail of Bits, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import print_function
+import argparse
+import os
+import subprocess
+
+def main():
+  parser = argparse.ArgumentParser(description="Use Eclipser back-end")
+
+  parser.add_argument(
+    "binary", type=str, help="Path to the test binary to run.")
+  
+  parser.add_argument(
+    "--output_test_dir", default="out", type=str, required=False,
+    help="Directory where tests will be saved.")
+
+  parser.add_argument(
+    "--timeout", type=int, help="How long to fuzz using Eclipser.",
+    default=3600)
+
+  parser.add_argument(
+    "--which_test", type=str, help="Which test to run (equivalent to --input_which_test).", default=None)
+
+  args = parser.parse_args()
+
+  deepstate = args.binary
+  out = args.output_test
+  whichTest = args.which_test
+  try:
+    os.mkdir(out)
+  except BaseException:
+    pass
+  cmd = ["dotnet", "$ECLISPER_HOME/build/Eclipser.dll", "fuzz", "-p", deepstate, "-v", "1"]
+  cmd += [str(args.timeout), "-o", out + "/eclipser.run", "--src", "file"]
+  cmd += ["--initarg"]
+  cmd += ["--input_test_file " + out + "/" + "eclipser.input --abort_on_fail --input_which_test " + whichTest]
+  cmd += ["--fixfilepath", out + "/" + "eclipser.input", "--maxfilelen", "8192"]
+  subprocess.call(cmd)
+  decodeCmd = ["dotnet", "$ECLISPER_HOME/build/Eclipser.dll", "decode"]
+  decodeCmd += ["-i", out + "/eclipser.run", "-o", out + "/tests"]
+  subprocess.call(decodeCmd)
+  
+  return 0
+
+if "__main__" == __name__:
+  exit(main())