binarly-io/fwhunt-scanStrumenti per analizzare il firmware UEFI e verificare i moduli UEFI con le regole FwHunt
Strumenti per analizzare il firmware UEFI e verificare i moduli UEFI con le regole FwHunt.
rizin (v0.6.2)
Installa con pip (testato su python3.6 e versioni successive):
$ python -m pip install fwhunt-scan
Installa manualmente:
$ git clone https://github.com/binarly-io/fwhunt-scan.git && cd fwhunt-scan
$ python setup.py install
Analizza/verifica un singolo modulo:
$ python3 fwhunt_scan_analyzer.py analyze-module {image_path} -o out.json
$ python3 fwhunt_scan_analyzer.py scan-module --rule {rule_path} {image_path}
Scansiona l'intera immagine del firmware:
$ python3 fwhunt_scan_analyzer.py scan-firmware -r rules/BRLY-2021-001.yml -r rules/BRLY-2021-004.yml -r rules/RsbStuffingCheck.yml test/fw.bin
Per evitare di installare le dipendenze, puoi usare l'immagine Docker.
Puoi creare un'immagine Docker localmente come segue:
docker build -t fwhunt_scan .
Oppure scarica l'ultima immagine da ghcr.
Esempio di utilizzo:
docker run --rm -it -v {module_path}:/tmp/image:ro \
fwhunt_scan analyze-module /tmp/image # to analyze EFI module
docker run --rm -it -v {module_path}:/tmp/image:ro -v {rule_path}:/tmp/rule.yml:ro \
fwhunt_scan scan-module /tmp/image -r /tmp/rule.yml # to scan EFI module with specified FwHunt rule
docker run --rm -it -v {module_path}:/tmp/image:ro -v {rule_path}:/tmp/rule.yml:ro \
fwhunt_scan scan-firmware /tmp/image -r /tmp/rule.yml # to scan firmware image with specified FwHunt rule
docker run --rm -it -v {module_path}:/tmp/image:ro -v {rules_directory}:/tmp/rules:ro \
fwhunt_scan scan-firmware /tmp/image --rules_dir /tmp/rules # to scan firmware image with specified rules directory
Tutti questi passaggi sono automatizzati nello script fwhunt_scan_docker.py:
python3 fwhunt_scan_docker.py analyze-module {module_path} # to analyze EFI module
python3 fwhunt_scan_docker.py scan-module -r {rule_path} {module_path} # to scan EFI module with specified FwHunt rule
python3 fwhunt_scan_docker.py scan-firmware -r {rule_path} {firmware_path} # to scan firmware image with specified FwHunt rule
python3 fwhunt_scan_docker.py scan-firmware --rules_dir {rules_directory} {firmware_path} # to scan firmware image with specified rules directory
Esempi di utilizzo di base:
from fwhunt_scan import UefiAnalyzer
...
uefi_analyzer = UefiAnalyzer(image_path=module_path)
print(uefi_analyzer.get_summary())
uefi_analyzer.close()
from fwhunt_scan import UefiAnalyzer
...
with UefiAnalyzer(image_path=module_path) as uefi_analyzer:
print(uefi_analyzer.get_summary())
Sulle piattaforme Linux, puoi passare un blob per l'analisi invece di un file:
from fwhunt_scan import UefiAnalyzer
...
with UefiAnalyzer(blob=data) as uefi_analyzer:
print(uefi_analyzer.get_summary())
from fwhunt_scan import UefiAnalyzer, UefiRule, UefiScanner
...
uefi_analyzer = UefiAnalyzer(module_path)
# rule1 and rule2 - contents of the rules on YAML format
uefi_rules = [UefiRule(rule1), UefiRule(rule2)]
scanner = UefiScanner(uefi_analyzer, uefi_rules)
result = scanner.result