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| @@ -0,0 +1,89 @@ | ||
| # Copyright (C) 2024 Mandiant, Inc. All Rights Reserved. | ||
| # 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: [package root]/LICENSE.txt | ||
| # 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. | ||
|
|
||
| import fixtures | ||
|
|
||
| import capa.main | ||
| import capa.features.file | ||
| import capa.features.insn | ||
| import capa.features.common | ||
|
|
||
| DYNAMIC_VMRAY_FEATURE_PRESENCE_TESTS = sorted( | ||
| [ | ||
| ("93b2d1-vmray", "file", capa.features.common.String("api.%x%x.%s"), True), | ||
| ("93b2d1-vmray", "file", capa.features.common.String("\\Program Files\\WindowsApps\\does_not_exist"), False), | ||
| # file/imports | ||
| ("93b2d1-vmray", "file", capa.features.file.Import("GetAddrInfoW"), True), | ||
| # thread/api calls | ||
| ("93b2d1-vmray", "process=(2176:0),thread=7", capa.features.insn.API("GetAddrInfoW"), True), | ||
| ("93b2d1-vmray", "process=(2176:0),thread=7", capa.features.insn.API("DoesNotExist"), False), | ||
| # call/api | ||
| ("93b2d1-vmray", "process=(2176:0),thread=7,call=2361", capa.features.insn.API("GetAddrInfoW"), True), | ||
| # call/string argument | ||
| ( | ||
| "93b2d1-vmray", | ||
| "process=(2176:0),thread=7,call=10323", | ||
| capa.features.common.String("raw.githubusercontent.com"), | ||
| True, | ||
| ), | ||
| # call/number argument | ||
| # VirtualAlloc(4096, 4) | ||
| ("93b2d1-vmray", "process=(2176:0),thread=7,call=2358", capa.features.insn.Number(4096), True), | ||
| ("93b2d1-vmray", "process=(2176:0),thread=7,call=2358", capa.features.insn.Number(4), True), | ||
| ], | ||
| # order tests by (file, item) | ||
| # so that our LRU cache is most effective. | ||
| key=lambda t: (t[0], t[1]), | ||
| ) | ||
|
|
||
| DYNAMIC_VMRAY_FEATURE_COUNT_TESTS = sorted( | ||
| [ | ||
| # file/imports | ||
| ("93b2d1-vmray", "file", capa.features.file.Import("GetAddrInfoW"), 1), | ||
| # thread/api calls | ||
| ("93b2d1-vmray", "process=(2176:0),thread=7", capa.features.insn.API("free"), 1), | ||
| ("93b2d1-vmray", "process=(2176:0),thread=7", capa.features.insn.API("GetAddrInfoW"), 5), | ||
| # call/api | ||
| ("93b2d1-vmray", "process=(2176:0),thread=7,call=2345", capa.features.insn.API("free"), 1), | ||
| ("93b2d1-vmray", "process=(2176:0),thread=7,call=2345", capa.features.insn.API("GetAddrInfoW"), 0), | ||
| ("93b2d1-vmray", "process=(2176:0),thread=7,call=2361", capa.features.insn.API("GetAddrInfoW"), 1), | ||
| # call/string argument | ||
| ( | ||
| "93b2d1-vmray", | ||
| "process=(2176:0),thread=7,call=10323", | ||
| capa.features.common.String("raw.githubusercontent.com"), | ||
| 1, | ||
| ), | ||
| ("93b2d1-vmray", "process=(2176:0),thread=7,call=10323", capa.features.common.String("non_existant"), 0), | ||
| # call/number argument | ||
| ("93b2d1-vmray", "process=(2176:0),thread=7,call=10315", capa.features.insn.Number(4096), 1), | ||
| ("93b2d1-vmray", "process=(2176:0),thread=7,call=10315", capa.features.insn.Number(4), 1), | ||
| ("93b2d1-vmray", "process=(2176:0),thread=7,call=10315", capa.features.insn.Number(404), 0), | ||
| ], | ||
| # order tests by (file, item) | ||
| # so that our LRU cache is most effective. | ||
| key=lambda t: (t[0], t[1]), | ||
| ) | ||
|
|
||
|
|
||
| @fixtures.parametrize( | ||
| "sample,scope,feature,expected", | ||
| DYNAMIC_VMRAY_FEATURE_PRESENCE_TESTS, | ||
| indirect=["sample", "scope"], | ||
| ) | ||
| def test_vmray_features(sample, scope, feature, expected): | ||
| fixtures.do_test_feature_presence(fixtures.get_vmray_extractor, sample, scope, feature, expected) | ||
|
|
||
|
|
||
| @fixtures.parametrize( | ||
| "sample,scope,feature,expected", | ||
| DYNAMIC_VMRAY_FEATURE_COUNT_TESTS, | ||
| indirect=["sample", "scope"], | ||
| ) | ||
| def test_vmray_feature_counts(sample, scope, feature, expected): | ||
| fixtures.do_test_feature_count(fixtures.get_vmray_extractor, sample, scope, feature, expected) |