Questions tagged [python]
High-level dynamic language developed by Guido van Rossum, particularly popular for server-side web programming and scripting.
0
votes
0answers
23 views
mitmproxy on Raspberry Pi [migrated]
I'm trying to run mitmproxy on Raspberry Pi to run some tests however although Python3 is installed and python2 is uninstalled, I keep getting an error when trying to run mitmproxy -
mitmproxy ...
0
votes
1answer
57 views
Trying to understand/use openssl for decryption
There are many questions around this topic, but I haven't found one that explains exactly my issue.
I am encrypting data with AES 128 CBC, but using python and pycryptodome (should have used the ...
1
vote
0answers
31 views
Is it secure to start a NTLM handshake not knowing if the server supports it?
I am writing a program in Python using the requests-ntlm library. That library adds support for NTLM in regular requests:
import requests
from requests_ntlm import HttpNtlmAuth
requests.get("http://...
-3
votes
0answers
11 views
How to access Nested Dictionary values through index [migrated]
Im building a scanner using python-nmap libary. Here's the code :
import nmap
import json
def Nmap_Recon(host, port):
nm = nmap.PortScanner()
lol = nm.scan(host, '22-443')
print(lol['scan'])...
1
vote
0answers
51 views
How to correctly store the users credentials [closed]
I am writing an application that requires a username/password for the first time.
I was wondering if the concept code below is a valid and secure way to store user passwords in the database. I hope ...
0
votes
0answers
14 views
Convert python-pkcs11.types.PrivateKey to PrivateKeyInfo or PrivateKey
I'm building a CertificateListBuilder but it requires the python-pkcs11.types.PrivateKey to be an instance of asn1crypto.keys.PrivateKeyInfo or oscrypto.asymmetric.PrivateKey.
How to do it? Is it ...
0
votes
0answers
18 views
Is it possible to export WPScan results in excel file making it as an excel report?
I am running a python script which performs a vulnerability scanning using the WPScan tool and the results are saved as a txt file localy.
Using that txt file I am not able to play with the results ...
0
votes
1answer
129 views
Safest & Secure Way To Store People's Login Information?
I am looking to create an application that aggregates data from people's online accounts.
The application (Frontend made with HTML/CSS/PHP and Backend made with Python) will log into people's ...
1
vote
3answers
268 views
Ken Thompson's compiler hack
I have gone through Ken Thompson's compiler hack paper; can't we just go through the compiler's source code and check for any backdoor, what was the article's point?
Can we be sure that there are no ...
0
votes
1answer
67 views
Measuring performance time for TLS handshake
I have this sample code to measure TLS handshake performance time. The result I get is: 3.43 ms. By repeating this for 1000 time, I get the minimum time below 1 ms. I use a device with a public IP ...
1
vote
1answer
46 views
Loading a passphrase-protected private SSH key from a file with the cryptography Python module
I am trying to load a passphrase-protected private SSH key from a file using the cryptography Python module. However, I'm not exactly sure how to proceed. The following yields a Crypto.Util.Padding....
0
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0answers
57 views
Introduce a SQLi in a testing application
So I was building an application to demonstrate SQL injection via cookies and wrote some code to run SQL statements if the statement are passed within a redir cookie header but when using sqlmap to ...
2
votes
2answers
87 views
Python Pickle Deserialisation attack
I know that untrusted data retrieved from a user should not be serialised/deserialised by an application because it can lead to a remote code execution.
What if that input is encoded upon retrieval ...
1
vote
1answer
195 views
Securing Flask admin pages
We've been developing a Flask app for a customer and a part of the agreement was that "customer admins" would be allowed to access Flask admin page to manage users, roles and business entities.
The ...
0
votes
0answers
22 views
Is it possible to block non-PyPI requests during pip install?
In 2017 and 2018 there were these infamous stories about malicious packages being uploaded to the PyPI (Python Package Index) which tried to do all sorts of things (collecting and sending data, ...
0
votes
2answers
100 views
SQLi with quote filter?
I'm doing some hacking courses, and in one of the lessons, I have a possible SQLi, but in the Python source code there's an if clause just before the SQL statement, which filters the quote symbol:
...
1
vote
0answers
30 views
Does Windows log program launches?
I wrote a Python script to automate mounting my Veracrypt-encrypted file.
The password is provided via standard input (without echoing).
os.system('veracrypt /hash whirlpool /l K /p "' + password + ...
0
votes
1answer
27 views
Extensions and Modules and Packages, Oh My! [closed]
How do you know if extensions (e.g., Code, Chrome, Firefox), modules (e.g., PowerShell), or packages (e.g., Python, R) are not malicious? How can you control or monitor that in an environment? Stuff ...
0
votes
0answers
56 views
How to properly store OAuth 2.0 client_id and client_secret in a web application?
In the PoC (Proof of Concept) that I'm currently developing, data from an API is consumed and OAuth 2.0 is required for authentication. The application is already working as expected, the users are ...
1
vote
0answers
186 views
Weird Python script found on a Mac Os X client machine
I was reviewing a Mac Os X machine (a late 2016 MacBook Pro) and I found some weird scripts in the LaunchAgent folder.
8 -rw-r--r-- 1 XX wheel 500 30 Lug 07:18 com.1e1zq.plist
8 -rw-r--r-- 1 XX ...
1
vote
1answer
27 views
Why do processes on servers have socket types associated to the port number? [closed]
Why do some servers have TCP/UDP alongside the port they're listening to. To my understanding TCP and UDP are socket layers, they're methods of determining how the traffic is being sent over the ...
1
vote
0answers
106 views
How can an absolute beginner begin with cyber security? [closed]
I am an absolute beginner in coding/computer science and want to pursue a particular role in cyber security open to all degrees (I am studying chemical engineering). Can anyone recommend what I should ...
2
votes
1answer
99 views
Can't log in dvwa with a simple python program, even though login credentials are good
import requests
target_url = "http://127.0.0.1/dvwa/login.php"
data_dict = {"csrfmiddlewaretoken": "bbbfeed6e1aea50f14a51a331054022c", "username": "admin", "password": "password", "Login": "Submit"}
...
4
votes
1answer
703 views
Metasploit is not detecting newly imported python exploit
I have added OpenSSH 7.2p2 - Username Enumeration exploit to Metasploit, which is a python exploit. But after so, it does not detect that exploit every way I tried.
I have placed it under the ...
0
votes
0answers
201 views
Are there any tools to detect JPEG steganography? [duplicate]
I am looking for tools which can detect JPEG steganography for Windows or Linux.
All the projects I found are either so old that they are missing dependencies and there are no precompiled binaries.
...
2
votes
1answer
111 views
Scanning a binary against YARA rules dictionary
I have found a malware binary, Which i am curious to see what patterns has been found from this file. Also i have a collection of ~1000 ioc's and yara-rule's related to Malwares and RAT's. I used Loki,...
0
votes
1answer
34 views
Hosting statistic tool on heroku with flask secure?
I am working on a statistic tool for our company, millions of datasets. Now I need to upload the project, so all company members can request data from everywhere.
I am working with Python 3/Flask and ...
4
votes
1answer
146 views
How to check if Certificate from Certificate Log is revoked?
I have a DB with certs from CTL. (using 'certstream' utility).
Here's an example of one set of certificate data:
{
"all_domains" : [
"benesseresalus.com",
"benesseresalus.it",
"...
0
votes
1answer
43 views
Python hazmat danger
Is hazmat considered to be secure?
Here is a quote from their docs:
This is a “Hazardous Materials” module. You should ONLY use it if you’re 100% absolutely sure that you know what you’re doing ...
1
vote
1answer
104 views
Is using JSON a secure way of handling sql queries in python?
The question
I will try to articulate this as clearly and best I can:
Suppose that I have a python program which connects to a database on a server. Next I ask you to consider that this python ...
1
vote
1answer
57 views
How can I make sure that my Python code cannot be accessed by the user of my web app?
I have a Python Program whose code I would like to protect. For sake of example, let's say I coded a novel function called "add" which does the following:
def add(n1, n2):
return n1 + n2
I'd ...
0
votes
1answer
100 views
How to force users on my LAN to use a specific DNS server with arp poisoning?
I'm attempting to force all hosts on my LAN to use a specific DNS server to filter certain material, however I'm running into problems.
I've had problems in the past trying to configure my router's ...
1
vote
2answers
61 views
Check uploaded python script for security issues before running it
I would be allowing a user to upload Python scripts and would execute them on my server. The base application is in Java and I am using ProcessBuilder to get Python to run from my Java application. ...
-1
votes
2answers
158 views
Testing RCE and SSRF using Python SimpleHTTPServer [closed]
Is it possible to test RCE and SSRF vulnerabilities using Python SimpleHTTPServer? Or should I use a VPS server?
0
votes
1answer
173 views
Analyzing Apache log with Snort
I need to analyze an Apache log with Snort and others IDS/WAFs (Suricata, mod_security and Shadow Daemon). In order to do so, I was thinking about create TCP packets with the GET and POST requests ...
0
votes
0answers
183 views
How to use binary search for blind SQL injection queries
From what I read online, it's possible to apply binary search to exploit blind SQL injection vulnerabilities, and that is probably what tools like sqlmap use to lower the number of queries that need ...
1
vote
2answers
338 views
Linux command to wipe files on an SD Card?
Are there any commands, tools or python libraries to securely wipe specific files from an SD or micro SD card (devices that use flash memory)?
For example, with a regular magnetic hard drive, you can ...
0
votes
1answer
273 views
Why do OpenSSL and Python return different SSL fingerprints?
I use getmail, a tool written in Python, to retrieve my mail via IMAP. Today it suddenly stopped working because it complains about an SSL fingerprint mismatch. (I always specify the fingerprint to ...
2
votes
2answers
300 views
Protecting Python source code on physical product?
How would you protect Python source code on a physical product (like a IoT device), which comes with Ubuntu installed on a mini-PC running Python code?
Few methods we thought about:
Compiling the ...
0
votes
1answer
313 views
How to avoid XML vulnerabilities in Python?
I am writing a suite of Python 3 applications (including first a command line utility, second an HTTP(S) proxy) which deal with XML.
Today I've discovered that there are several vulnerabilities ...
2
votes
1answer
190 views
Is it as safe to use a programming language as a browser? [closed]
To browse the internet on sensitive websites (government websites, banks, etc...), is it as safe to use a modern web browser as a programming language? Specifically, python + requests + beautifulSoup ...
1
vote
1answer
214 views
Developing MIPS exploit in python memory address getting parse as a value [closed]
I am trying to develop an exploit in python. but I am not able to write an proper exploit. Below are the scenarios were i am facing problem.
below is the HTTP request which occurs the crash
POST /...
3
votes
1answer
528 views
Python - ctypes.cast function call outputs Segmentation Fault error message
Background:
Writing a proof of concept of a twitter C&C inspired by Prof Viviek of SPSE similiar to twittor and the project includes a functionality of injecting shellcode and executing it ...
1
vote
1answer
91 views
Fuzzing: Quickly find the exact number of bytes
I'm currently practicing buffer overflow. And I have a question for you regarding fuzzing.
I am able to develop a python script that will try several buffer sizes to crash an application. It works ...
0
votes
2answers
156 views
Security-wise, is an in-browser JavaScript implementation fundamentally different from a server-side language (e.g. Python) implementation?
As I understand it, JavaScript implementations running in browsers need to run untrusted code and operate on untrusted data in a secure manner. Language (e.g. Python) implementations running on a ...
5
votes
3answers
825 views
Safely load a pickle file?
In our Python app, we are using pickle.load to load a file named perceptron.pkl. A HP Fortify static scan raises a high vulnerability, "Dynamic Code Evaluation - Unsafe Pickle Deserialization", at the ...
0
votes
2answers
312 views
Dictionary Attack on SHA-1 hashes [closed]
The following is a Python code to crack SHA1 hash. This code does not seem to work.
import hashlib
# plug in the hash that needs to be cracked
hash_to_crack = "...
1
vote
1answer
327 views
How to best hash patient names to generate a pseudonym?
I am working on a data acquisition and preprocessing tool for a brain tumor database. The tool preprocesses the data and harmonizes it so it can be united in a one big database. Due to privacy ...
2
votes
1answer
599 views
stdin does not wait for next input after ROP chain
I was trying to exploit a vulnerability in a ctf but I can not make fgets() reopen stdin to put my second stage ROP chain. I am using pwntool but the problem is more socket oriented.
I recreated ...
0
votes
2answers
161 views
Is it secure not to set a user in django admin?
Is it possible for someone to hack into my django admin app, if I do not create a user for it, by executing:
python manage.py createsuperuser
For example, is there a default username-password pair ...
