Add python example: pe_stat.py

1 files changed, 53 insertions, 0 deletions

diff --git a/python/examples/pe_stat.py b/python/examples/pe_stat.py
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+++ b/python/examples/pe_stat.py
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+#!/usr/bin/env python3
+#
+# BinaryNinja multiplatform version of Z0MBIE's PE_STAT for opcode frequency
+# statistics http://z0mbie.dreamhosters.com/opcodes.html
+#
+# Copyright (c) 2020 Vector 35 Inc
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+
+import sys
+import binaryninja
+from collections import defaultdict
+
+opc2count = defaultdict(lambda:0)
+target = sys.argv[1]
+
+print('opening %s' % target)
+bv = binaryninja.BinaryViewType.get_view_of_file(target)
+print('analyzing')
+bv.update_analysis_and_wait()
+
+print('looping over functions')
+for func in bv.functions:
+	print('disassembling %s()' % func.symbol.full_name)
+	for block in func:
+		for (toks, length) in block:
+			opc = toks[0].text
+			opc2count[opc] += 1
+			#print('incremented %s, is now: %d' % (opc, opc2count[opc]))
+
+total = sum([x[1] for x in opc2count.items()])
+
+print('op       frequency        %')
+print('--       ---------        -')
+for opc in sorted(opc2count.keys(), key=lambda x:opc2count[x], reverse=True):
+	print(opc.ljust(8), str(opc2count[opc]).ljust(16), '%.1f%%'%(100.0*opc2count[opc]/total))
+