tests: main: demonstrate CAPE analysis (and bug #1702)

This commit is contained in:
Willi Ballenthin
2023-08-11 08:56:06 +00:00
committed by GitHub
parent 1cf33e4343
commit 6de23a9748
2 changed files with 68 additions and 0 deletions

View File

@@ -363,8 +363,18 @@ def get_data_path_by_name(name) -> Path:
/ "data"
/ "dynamic"
/ "cape"
/ "v2.2"
/ "0000a65749f5902c4d82ffa701198038f0b4870b00a27cfca109f8f933476d82.json.gz"
)
elif name.startswith("d46900"):
return (
CD
/ "data"
/ "dynamic"
/ "cape"
/ "v2.2"
/ "d46900384c78863420fb3e297d0a2f743cd2b6b3f7f82bf64059a168e07aceb7.json.gz"
)
elif name.startswith("ea2876"):
return CD / "data" / "ea2876e9175410b6f6719f80ee44b9553960758c7d0f7bed73c0fe9a78d8e669.dll_"
else:

View File

@@ -6,8 +6,10 @@
# 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 gzip
import json
import textwrap
from pathlib import Path
import pytest
import fixtures
@@ -582,3 +584,59 @@ def test_main_rd():
assert capa.main.main([path, "-j"]) == 0
assert capa.main.main([path, "-q"]) == 0
assert capa.main.main([path]) == 0
def extract_cape_report(tmp_path: Path, gz: Path) -> Path:
report = tmp_path / "report.json"
report.write_bytes(gzip.decompress(gz.read_bytes()))
return report
def test_main_cape1(tmp_path):
path = extract_cape_report(tmp_path, fixtures.get_data_path_by_name("0000a657"))
# TODO(williballenthin): use default rules set
# https://github.com/mandiant/capa/pull/1696
rules = tmp_path / "rules"
rules.mkdir()
(rules / "create-or-open-registry-key.yml").write_text(
textwrap.dedent(
"""
rule:
meta:
name: create or open registry key
authors:
- testing
scopes:
static: instruction
dynamic: call
features:
- or:
- api: advapi32.RegOpenKey
- api: advapi32.RegOpenKeyEx
- api: advapi32.RegCreateKey
- api: advapi32.RegCreateKeyEx
- api: advapi32.RegOpenCurrentUser
- api: advapi32.RegOpenKeyTransacted
- api: advapi32.RegOpenUserClassesRoot
- api: advapi32.RegCreateKeyTransacted
- api: ZwOpenKey
- api: ZwOpenKeyEx
- api: ZwCreateKey
- api: ZwOpenKeyTransacted
- api: ZwOpenKeyTransactedEx
- api: ZwCreateKeyTransacted
- api: NtOpenKey
- api: NtCreateKey
- api: SHRegOpenUSKey
- api: SHRegCreateUSKey
- api: RtlCreateRegistryKey
"""
)
)
assert capa.main.main([str(path), "-r", str(rules)]) == 0
assert capa.main.main([str(path), "-q", "-r", str(rules)]) == 0
assert capa.main.main([str(path), "-j", "-r", str(rules)]) == 0
assert capa.main.main([str(path), "-v", "-r", str(rules)]) == 0
assert capa.main.main([str(path), "-vv", "-r", str(rules)]) == 0