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"""The module describes the VirusTotalAPIFiles class |
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Author: Evgeny Drobotun (c) 2019 |
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License: MIT (https://github.com/drobotun/virustotalapi3/blob/master/LICENSE) |
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More information: https://virustotalapi3.readthedocs.io/en/latest/file_class.html |
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""" |
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import hashlib |
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import errno |
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import requests |
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from .vtapi3base import VirusTotalAPI |
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from .vtapi3error import VirusTotalAPIError |
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class VirusTotalAPIFiles(VirusTotalAPI): |
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"""The analysis new files and retrieving information about any file from the VirusTotal database |
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methods are defined in the class. |
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Methods: |
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get_file_id(): Get SHA256, SHA1 or MD5 file identifier. |
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upload(): Upload and analyse a file. |
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get_upload_url(): Get a URL for uploading files larger than 32MB. |
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get_report(): Retrieve information about a file. |
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reanalyse(): Reanalyse a file already in VirusTotal. |
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get_comments(): Retrieve comments for a file. |
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put_comments(): Add a comment to a file. |
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get_votes(): Retrieve votes for a file. |
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put_votes(): Add a votes to a file. |
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get_relationship(): Retrieve objects related to a file. |
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get_behaviours(): Get the PCAP for the sandbox. |
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get_download_url(): Get a download URL for a file (special privileges required). |
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get_download(): Download a file (special privileges required). |
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""" |
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@staticmethod |
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def get_file_id(file_path, hash_alg='sha256'): |
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"""Get SHA256, SHA1 or MD5 file identifier. |
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Args: |
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file_path: Path to the file to be scanned (str). |
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hash: Necessary identifier ('sha256', 'sha1' or 'md5'). The default value is |
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'sha256'. |
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Return: |
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The SHA256, SHA1 or MD5 identifier of the file. |
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Exception |
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VirusTotalAPIError(File not found): In case the file is not found. |
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VirusTotalAPIError(Permission error): In case do not have access rights to the file. |
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VirusTotalAPIError(IO Error): If an IO error occurs during file operations. |
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""" |
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buffer_size = 65536 |
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hasher = hashlib.new(hash_alg) |
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try: |
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with open(file_path, 'rb') as file: |
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buffer = file.read(buffer_size) |
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while len(buffer) > 0: |
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hasher.update(buffer) |
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buffer = file.read(buffer_size) |
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except FileNotFoundError: |
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raise VirusTotalAPIError('File not found', errno.ENOENT) |
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except PermissionError: |
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raise VirusTotalAPIError('Permission error', errno.EPERM) |
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except OSError: |
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raise VirusTotalAPIError('IO Error', errno.EIO) |
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else: |
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return hasher.hexdigest() |
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def upload(self, file_path): |
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"""Upload and analyse a file. |
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Args: |
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file_path: Path to the file to be scanned (str). |
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Return: |
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The response from the server as a byte sequence. |
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Exception |
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VirusTotalAPIError(Connection error): In case of server connection errors. |
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VirusTotalAPIError(Timeout error): If the response timeout from the server is exceeded. |
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VirusTotalAPIError(File not found): In case the file you want to upload to the server is |
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not found. |
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VirusTotalAPIError(Permission error): In case do not have access rights to the file. |
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VirusTotalAPIError(IO Error): If an IO error occurs during file operations. |
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""" |
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self._last_http_error = None |
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self._last_result = None |
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api_url = self.base_url + '/files' |
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try: |
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with open(file_path, 'rb') as file: |
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files = {'file': (file_path, file)} |
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response = requests.post(api_url, headers=self.headers, files=files, |
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timeout=self.timeout, proxies=self.proxies) |
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except FileNotFoundError: |
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raise VirusTotalAPIError('File not found', errno.ENOENT) |
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except PermissionError: |
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raise VirusTotalAPIError('Permission error', errno.EPERM) |
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except requests.exceptions.Timeout: |
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raise VirusTotalAPIError('Timeout error', errno.ETIMEDOUT) |
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except requests.exceptions.ConnectionError: |
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raise VirusTotalAPIError('Connection error', errno.ECONNABORTED) |
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except OSError: |
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raise VirusTotalAPIError('IO Error', errno.EIO) |
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else: |
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self._last_http_error = response.status_code |
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self._last_result = response.content |
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return response.content |
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def get_upload_url(self): |
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"""Get a URL for uploading files larger than 32MB. |
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Return: |
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The response from the server as a byte sequence. |
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Exception |
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VirusTotalAPIError(Connection error): In case of server connection errors. |
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VirusTotalAPIError(Timeout error): If the response timeout from the server is exceeded. |
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""" |
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self._last_http_error = None |
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self._last_result = None |
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api_url = self.base_url + '/files/upload_url' |
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try: |
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response = requests.get(api_url, headers=self.headers, |
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timeout=self.timeout, proxies=self.proxies) |
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except requests.exceptions.Timeout: |
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raise VirusTotalAPIError('Timeout error', errno.ETIMEDOUT) |
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except requests.exceptions.ConnectionError: |
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raise VirusTotalAPIError('Connection error', errno.ECONNABORTED) |
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else: |
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self._last_http_error = response.status_code |
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self._last_result = response.content |
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return response.content |
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def get_report(self, file_id): |
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"""Retrieve information about a file. |
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Args: |
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file_id: SHA-256, SHA-1 or MD5 identifying the file (str). |
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Return: |
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The response from the server as a byte sequence. |
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Exception |
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VirusTotalAPIError(Connection error): In case of server connection errors. |
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VirusTotalAPIError(Timeout error): If the response timeout from the server is exceeded. |
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""" |
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self._last_http_error = None |
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self._last_result = None |
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api_url = self.base_url + '/files/' + file_id |
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try: |
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response = requests.get(api_url, headers=self.headers, |
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timeout=self.timeout, proxies=self.proxies) |
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except requests.exceptions.Timeout: |
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raise VirusTotalAPIError('Timeout error', errno.ETIMEDOUT) |
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except requests.exceptions.ConnectionError: |
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raise VirusTotalAPIError('Connection error', errno.ECONNABORTED) |
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else: |
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self._last_http_error = response.status_code |
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self._last_result = response.content |
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return response.content |
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def analyse(self, file_id): |
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"""Reanalyse a file already in VirusTotal. |
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Args: |
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file_id: SHA-256, SHA-1 or MD5 identifying the file (str). |
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Return: |
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The response from the server as a byte sequence. |
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Exception |
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VirusTotalAPIError(Connection error): In case of server connection errors. |
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VirusTotalAPIError(Timeout error): If the response timeout from the server is exceeded. |
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""" |
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self._last_http_error = None |
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self._last_result = None |
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api_url = self.base_url + '/files/' + file_id + '/analyse' |
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try: |
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response = requests.post(api_url, headers=self.headers, |
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timeout=self.timeout, proxies=self.proxies) |
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except requests.exceptions.Timeout: |
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raise VirusTotalAPIError('Timeout error', errno.ETIMEDOUT) |
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except requests.exceptions.ConnectionError: |
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raise VirusTotalAPIError('Connection error', errno.ECONNABORTED) |
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else: |
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self._last_http_error = response.status_code |
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self._last_result = response.content |
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return response.content |
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def get_comments(self, file_id, limit=10, cursor='""'): |
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"""Retrieve comments for a file. |
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Args: |
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file_id: SHA-256, SHA-1 or MD5 identifying the file (str). |
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limit: Maximum number of comments to retrieve (int). The default value is 10. |
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cursor: Continuation cursor (str). The default value is ''. |
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Return: |
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The response from the server as a byte sequence. |
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Exception |
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VirusTotalAPIError(Connection error): In case of server connection errors. |
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VirusTotalAPIError(Timeout error): If the response timeout from the server is exceeded. |
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""" |
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self._last_http_error = None |
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self._last_result = None |
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query_string = {'limit': str(limit), 'cursor': cursor} |
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api_url = self.base_url + '/files/' + file_id + '/comments' |
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try: |
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response = requests.get(api_url, headers=self.headers, params=query_string, |
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timeout=self.timeout, proxies=self.proxies) |
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except requests.exceptions.Timeout: |
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raise VirusTotalAPIError('Timeout error', errno.ETIMEDOUT) |
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except requests.exceptions.ConnectionError: |
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raise VirusTotalAPIError('Connection error', errno.ECONNABORTED) |
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else: |
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self._last_http_error = response.status_code |
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self._last_result = response.content |
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return response.content |
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def put_comments(self, file_id, text): |
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"""Add a comment to a file. |
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Args: |
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file_id: SHA-256, SHA-1 or MD5 identifying the file (str). |
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text: Text of the comment (str). |
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Return: |
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The response from the server as a byte sequence. |
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Exception |
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VirusTotalAPIError(Connection error): In case of server connection errors. |
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VirusTotalAPIError(Timeout error): If the response timeout from the server is exceeded. |
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""" |
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self._last_http_error = None |
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self._last_result = None |
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comments = {"data": {'type': 'comment', 'attributes': {'text': text}}} |
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api_url = self.base_url + '/files/' + file_id + '/comments' |
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try: |
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response = requests.post(api_url, headers=self.headers, json=comments, |
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timeout=self.timeout, proxies=self.proxies) |
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except requests.exceptions.Timeout: |
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raise VirusTotalAPIError('Timeout error', errno.ETIMEDOUT) |
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except requests.exceptions.ConnectionError: |
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raise VirusTotalAPIError('Connection error', errno.ECONNABORTED) |
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else: |
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self._last_http_error = response.status_code |
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self._last_result = response.content |
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return response.content |
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def get_votes(self, file_id, limit=10, cursor='""'): |
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"""Retrieve votes for a file. |
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Args: |
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file_id: SHA-256, SHA-1 or MD5 identifying the file (str). |
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limit: Maximum number of comments to retrieve (int). The default value is 10. |
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cursor: Continuation cursor (str). The default value is ''. |
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Return: |
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The response from the server as a byte sequence. |
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Exception |
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VirusTotalAPIError(Connection error): In case of server connection errors. |
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VirusTotalAPIError(Timeout error): If the response timeout from the server is exceeded. |
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""" |
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self._last_http_error = None |
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self._last_result = None |
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query_string = {'limit': str(limit), 'cursor': cursor} |
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api_url = self.base_url + '/files/' + file_id + '/votes' |
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try: |
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response = requests.get(api_url, headers=self.headers, params=query_string, |
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timeout=self.timeout, proxies=self.proxies) |
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except requests.exceptions.Timeout: |
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raise VirusTotalAPIError('Timeout error', errno.ETIMEDOUT) |
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except requests.exceptions.ConnectionError: |
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raise VirusTotalAPIError('Connection error', errno.ECONNABORTED) |
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else: |
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self._last_http_error = response.status_code |
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self._last_result = response.content |
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return response.content |
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def put_votes(self, file_id, malicious=False): |
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"""Add a votes to a file. |
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Args: |
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file_id: SHA-256, SHA-1 or MD5 identifying the file (str). |
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malicious: Determines a malicious (True) or harmless (False) file (bool). |
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Return: |
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The response from the server as a byte sequence. |
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Exception |
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VirusTotalAPIError(Connection error): In case of server connection errors. |
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VirusTotalAPIError(Timeout error): If the response timeout from the server is exceeded. |
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""" |
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self._last_http_error = None |
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self._last_result = None |
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if malicious: |
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verdict = 'malicious' |
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else: |
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verdict = 'harmless' |
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votes = {'data': {'type': 'vote', 'attributes': {'verdict': verdict}}} |
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api_url = self.base_url + '/files/' + file_id + '/votes' |
|
305
|
|
|
try: |
|
306
|
|
|
response = requests.post(api_url, headers=self.headers, json=votes, |
|
307
|
|
|
timeout=self.timeout, proxies=self.proxies) |
|
308
|
|
|
except requests.exceptions.Timeout: |
|
309
|
|
|
raise VirusTotalAPIError('Timeout error', errno.ETIMEDOUT) |
|
310
|
|
|
except requests.exceptions.ConnectionError: |
|
311
|
|
|
raise VirusTotalAPIError('Connection error', errno.ECONNABORTED) |
|
312
|
|
|
else: |
|
313
|
|
|
self._last_http_error = response.status_code |
|
314
|
|
|
self._last_result = response.content |
|
315
|
|
|
return response.content |
|
316
|
|
|
|
|
317
|
|
|
def get_relationship(self, file_id, relationship='/behaviours', limit=10, cursor='""'): |
|
318
|
|
|
"""Retrieve objects related to a file. |
|
319
|
|
|
|
|
320
|
|
|
Args: |
|
321
|
|
|
file_id: SHA-256, SHA-1 or MD5 identifying the file (str). |
|
322
|
|
|
relationship: Relationship name (str). The default value is "/behaviours". |
|
323
|
|
|
limit: Maximum number of comments to retrieve (int). The default value is 10. |
|
324
|
|
|
cursor: Continuation cursor (str). The default value is ''. |
|
325
|
|
|
|
|
326
|
|
|
Return: |
|
327
|
|
|
The response from the server as a byte sequence. |
|
328
|
|
|
|
|
329
|
|
|
Exception |
|
330
|
|
|
VirusTotalAPIError(Connection error): In case of server connection errors. |
|
331
|
|
|
VirusTotalAPIError(Timeout error): If the response timeout from the server is exceeded. |
|
332
|
|
|
""" |
|
333
|
|
|
self._last_http_error = None |
|
334
|
|
|
self._last_result = None |
|
335
|
|
|
query_string = {'limit': str(limit), 'cursor': cursor} |
|
336
|
|
|
api_url = self.base_url + '/files/' + file_id + relationship |
|
337
|
|
|
try: |
|
338
|
|
|
response = requests.get(api_url, headers=self.headers, params=query_string, |
|
339
|
|
|
timeout=self.timeout, proxies=self.proxies) |
|
340
|
|
|
except requests.exceptions.Timeout: |
|
341
|
|
|
raise VirusTotalAPIError('Timeout error', errno.ETIMEDOUT) |
|
342
|
|
|
except requests.exceptions.ConnectionError: |
|
343
|
|
|
raise VirusTotalAPIError('Connection error', errno.ECONNABORTED) |
|
344
|
|
|
else: |
|
345
|
|
|
self._last_http_error = response.status_code |
|
346
|
|
|
self._last_result = response.content |
|
347
|
|
|
return response.content |
|
348
|
|
|
|
|
349
|
|
|
def get_behaviours(self, sandbox_id): |
|
350
|
|
|
"""Get the PCAP for the sandbox. |
|
351
|
|
|
|
|
352
|
|
|
Args: |
|
353
|
|
|
sandbox_id: Identifier obtained using the 'get_relationship' method with |
|
354
|
|
|
the value of the 'relationship' argument equal to 'behaviours' (str). |
|
355
|
|
|
|
|
356
|
|
|
Return: |
|
357
|
|
|
The response from the server as a byte sequence. |
|
358
|
|
|
|
|
359
|
|
|
Exception |
|
360
|
|
|
VirusTotalAPIError(Connection error): In case of server connection errors. |
|
361
|
|
|
VirusTotalAPIError(Timeout error): If the response timeout from the server is exceeded. |
|
362
|
|
|
""" |
|
363
|
|
|
self._last_http_error = None |
|
364
|
|
|
self._last_result = None |
|
365
|
|
|
api_url = self.base_url + '/file_behaviours/' + sandbox_id + '/pcap' |
|
366
|
|
|
try: |
|
367
|
|
|
response = requests.get(api_url, headers=self.headers, |
|
368
|
|
|
timeout=self.timeout, proxies=self.proxies) |
|
369
|
|
|
except requests.exceptions.Timeout: |
|
370
|
|
|
raise VirusTotalAPIError('Timeout error', errno.ETIMEDOUT) |
|
371
|
|
|
except requests.exceptions.ConnectionError: |
|
372
|
|
|
raise VirusTotalAPIError('Connection error', errno.ECONNABORTED) |
|
373
|
|
|
else: |
|
374
|
|
|
self._last_http_error = response.status_code |
|
375
|
|
|
self._last_result = response.content |
|
376
|
|
|
return response.content |
|
377
|
|
|
|
|
378
|
|
|
def get_download_url(self, file_id): |
|
379
|
|
|
"""Get a download URL for a file. This function requires special privileges |
|
380
|
|
|
(you need a private key to access the VirusTotal API). |
|
381
|
|
|
Args: |
|
382
|
|
|
file_id: SHA-256, SHA-1 or MD5 identifying the file (str). |
|
383
|
|
|
|
|
384
|
|
|
Return: |
|
385
|
|
|
The response from the server as a byte sequence. |
|
386
|
|
|
|
|
387
|
|
|
Exception |
|
388
|
|
|
VirusTotalAPIError(Connection error): In case of server connection errors. |
|
389
|
|
|
VirusTotalAPIError(Timeout error): If the response timeout from the server is exceeded. |
|
390
|
|
|
""" |
|
391
|
|
|
self._last_http_error = None |
|
392
|
|
|
self._last_result = None |
|
393
|
|
|
api_url = self.base_url + '/files/' + file_id + '/download_url' |
|
394
|
|
|
try: |
|
395
|
|
|
response = requests.get(api_url, headers=self.headers, |
|
396
|
|
|
timeout=self.timeout, proxies=self.proxies) |
|
397
|
|
|
except requests.exceptions.Timeout: |
|
398
|
|
|
raise VirusTotalAPIError('Timeout error', errno.ETIMEDOUT) |
|
399
|
|
|
except requests.exceptions.ConnectionError: |
|
400
|
|
|
raise VirusTotalAPIError('Connection error', errno.ECONNABORTED) |
|
401
|
|
|
else: |
|
402
|
|
|
self._last_http_error = response.status_code |
|
403
|
|
|
self._last_result = response.content |
|
404
|
|
|
return response.content |
|
405
|
|
|
|
|
406
|
|
|
def get_download(self, file_id): |
|
407
|
|
|
"""Download a file. This function requires special privileges (you need a private |
|
408
|
|
|
key to access the VirusTotal API). |
|
409
|
|
|
Args: |
|
410
|
|
|
file_id: SHA-256, SHA-1 or MD5 identifying the file (str). |
|
411
|
|
|
|
|
412
|
|
|
Return: |
|
413
|
|
|
The response from the server as a byte sequence. |
|
414
|
|
|
|
|
415
|
|
|
Exception |
|
416
|
|
|
VirusTotalAPIError(Connection error): In case of server connection errors. |
|
417
|
|
|
VirusTotalAPIError(Timeout error): If the response timeout from the server is exceeded. |
|
418
|
|
|
""" |
|
419
|
|
|
self._last_http_error = None |
|
420
|
|
|
self._last_result = None |
|
421
|
|
|
api_url = self.base_url + '/files/' + file_id + '/download' |
|
422
|
|
|
try: |
|
423
|
|
|
response = requests.get(api_url, headers=self.headers, |
|
424
|
|
|
timeout=self.timeout, proxies=self.proxies) |
|
425
|
|
|
except requests.exceptions.Timeout: |
|
426
|
|
|
raise VirusTotalAPIError('Timeout error', errno.ETIMEDOUT) |
|
427
|
|
|
except requests.exceptions.ConnectionError: |
|
428
|
|
|
raise VirusTotalAPIError('Connection error', errno.ECONNABORTED) |
|
429
|
|
|
else: |
|
430
|
|
|
self._last_http_error = response.status_code |
|
431
|
|
|
self._last_result = response.content |
|
432
|
|
|
return response.content |
|
433
|
|
|
|