Questions tagged [tls-intercept]

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55 views

Needing help intercepting local SSL traffic on a difficult Android app

I'm trying to intercept traffic from an Andriod app. I've forwarded ports 80, 443, 6699 and 6698 on Kali to a listener port and set up arp-spoofing. I'm using BurpSuite on the same computer to listen ...
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3answers
108 views

Nextgen firewalls - encrypted traffic inspection

I read recently about next generation firewalls that use deep-packet-inspection, intrusion-prevention and something the manufacturers call encrypted-traffic-inspection, encrypted-traffic-analytics. ...
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1answer
171 views

Error in intercepting the request of an Android application

I'm trying to analyze my flutter app's network traffic so I used burp suite for intercepting. First, I'm using the proxy option of burpsuite. I set my PC's IP address and port as 8080. Also in my ...
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1answer
139 views

Tor for confidentiality on corporate network

I work in gov organization and recently I learned they set up a MITM, by installing some certificates - so when I visit any web site and then check the certificate info it shows the certificate ...
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3answers
2k views

Intercept HTTP Traffic of an android app?

I was trying to test and intercept traffic from an app developed on Rhodes open source framework, I setup a proxy with burp, and of course I have installed burp certificate on my device hence I can ...
2
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1answer
1k views

iOS traffic not shown in proxy when SSL pinning enabled

I have and iOS application to test. As per the latest security fix SSL pinning is enabled in the app. But now I am not able to see any traffic related to the application in my proxy tool. But ...
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2answers
700 views

Android application interception issue

I'm a newbie to android pen testing and started off with an application. The app uses HTTPS and works fine without configuring any proxy. When a proxy like a burp suite is configured, the app ...
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3answers
16k views

My school wifi asks to 'trust' a certificate on iPhones. Does this allow them to view SSL traffic?

There is a lot of confusion around this on here, so I am making this post to be sure to understand it correctly. My school uses Aruba networks wifi, and after I type my Active Directory username and ...
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3answers
3k views

Can firewalls decrypt SSL packets?

I was wondering if the firewall has the ability to decrypt the SSL traffic. If so, the network admin is able to read the data in clear text at transit.
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1answer
68 views

Preventing MITM Attack with Squid

There are two options, what is the best approach? I want to either Create a squid proxy server that detects MITM attacks or Create a python UI application to detect differences between local ...
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2answers
204 views

Prevent ssl pinning bypasses

I want to understand if end user is doing MITM attack on my app and i want my API server to receive this. Is there any way i can hook an SDK or some listener that tracks which certificate is being ...
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1answer
70 views

Can't log in into Twitter for Android app after SSL Bypass

I don't know if this is the right forum for this kind of question. I was trying to intercept traffic from Twitter for Android app and for that I needed to bypass the SSL pin they implemented. ...
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1answer
171 views

Exactly why is it not possible to “drop-out” of TLS 1.3 proxy inspection?

I have been reading a number of articles that state it is not possible for an inspection proxy to simply drop-out/disengage from a TLS 1.3 connection in the same way that is possible in TLS 1.2. Such ...
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1answer
1k views

Can I use CloudFlare if I want to avoid NSA and FISA secret orders?

We're running a web service in Europe, secured with TLS and we're using private keys generated on our private hardware. We would like to use CloudFlare for DDoS protection and caching reverse proxy. ...
1
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1answer
112 views

How can a site preemptively notify browsers to enforce an SSL on their domain?

I learned about this years ago and don't remember enough of the keywords to search for it appropriately. Its where sites can tell the browser that the site must not allow the site to be downgraded to ...
4
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1answer
12k views

How can police get someone's search history?

Sometimes I see news articles saying that someone was suspected of a crime so the police got their search history and found various google search terms etc. What are the possible ways they can do ...
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1answer
259 views

How to decrypt TLS traffic originating from a Windows service on my Windows 10 PC?

Some months ago I bought a peripheral device for my Windows 10 computer (think of something like a game controller). My home router has a function that allows it to capture all incoming and outgoing ...
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1answer
47 views

What are the limitation on encrpyting proxy

i would like to know if i encrypt a proxy server communication with TLS v1.3 is it still possible for a firewall censor to a deep packet scanning to decrypt. Also, what can be done to make the ...
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6answers
6k views

As a contractor how do I work on multiple client networks without data leakage?

I am a contractor who does development for more than one client. Let's call them Client A, Client B, and Client X. I use my own laptop for all 3 clients. Throughout the day, I have to work on and ...
0
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1answer
940 views

need an Alternative to ssl pinning for web applications

I am developing a web app and while testing it on burpsuite I found that it is vulnerable to the proxy SSL certificate. I did some research and found that it was handled by a technique called SSL ...
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2answers
862 views

Intercepting Android 9 app-traffic

I used MitMproxy until recently I switched from the Samsung Galaxy S5 to the S9+ which runs Android 9... and suddenly I can't intercept apptraffic anymore. Looks like the proxy in the wifi-settings is ...
2
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0answers
322 views

BURP SSL connection failing on Genymotion Virtual Device - Android 8.0 API 26

Everything earlier used to work fine. However, recently I downloaded a newer virtual device on Genymotion, which is an Android 8.0 API 26. I have been struggling to get HTTPS traffic intercepted on ...
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0answers
21 views

authenication of client in one way ssl [duplicate]

In below ssl diagram : I have one doubt with 1-way ssl. If there is an interceptor in-between client and server who can alter in following way : In step 8, when client is sending his symetric key to ...
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1answer
82 views

Why does a firewall reencrypt https traffic

I have a Sophos XG firewall. I use it at home (to play around with) This firewall is capable to scan HTTPS traffic. It decrypts the traffic and re-encrypts the traffic again. For the re-encryption of ...
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3answers
3k views

Hide clear SNI when using https

A server with IP address a.b.c.d is hosting multiple SSL websites. When connecting to each website, a proper browser sends a request which include the destination host in an uncrypted clear text ...
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0answers
76 views

Manual TLS decryption with master secret

Assuming I have the master secret from SSLKEYLOGFILE client random, and server random, can I decrypt any tls traffic captured? I've started from Golang's TLS implementation, pulled the connection ...
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2answers
262 views

Is there any Security issue if we not used SSL between AWS Cloudfront and AWS ALB?

I have an application that is hosted on AWS. It has an Application Load Balancer in its front and it is also attached to the Cloudfront to handle a heavy load. In my case, I have enabled SSL only on ...
5
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2answers
4k views

Is there no way to bypass certificate pinning without patching apps?

Can you do anything other than patching apps' compiled-code/cert-files (which is app-specific, requires manual analysis and patching + super-user/root) to intercept TLS traffic of apps that use ...
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0answers
268 views

Monitor HTTPS URL logging of a specific device of a Network

Goal The main goal is to monitor all the URL logging (HTTPS) of a specific device in my Network. So I’m decided to buy a Security tool WifiPineApple from Hak5 store. Ex. Alexa, Chromecast, and maybe ...
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1answer
84 views

How can one detect and mainly bypass TLS inspection as a user with an enterprise managed device?

Let's assume Alice is an employee of the Chuck company. Alice likes to communicate with Bob, a server somewhere in the internet. Chuck, being a security orientated company, inspects all TLS ...
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0answers
770 views

Force third party app to trust Charles Root Certificate

I downloaded two different third-party apps (running on Windows) in order to figure what HTTP calls does it make to an external server on the internet. Both apps are calling the same server as far ...
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2answers
98 views

Reasons not to preserve the certification path on an intercepting HTTPS proxy

In this environment an intercepting HTTPS proxy is used for legitimate purposes and its CA root certificate is installed on all clients. Every HTTPS proxy solution I've seen so far simply signs a new ...
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1answer
7k views

How can I intercept Android application's SSL traffic where SSL pinning is used?

I want to capture the SSL traffic of an Android Application which I think uses SSL pinning. I've tried running an app which says it uses VPN Tunneling and a Root Certificate to capture the SSL ...
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0answers
60 views

Authentication Message in TLS

I was reading RFC8446-TLS13 and a tls visualization and could not grasp some concepts. I have all the tls connection data (client hello etc.) and SSL Logs (server_traffic_handshake_secret) I see that ...
0
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2answers
240 views

PKCS12 password stolen - what's the security impact?

I want to know that what the security impact is if someone leaks the password of a PKCS12 certificate. I am referring to the password which is required when we export the certificate.
1
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1answer
96 views

How to display HTTPS contents [Using Proxy]

I'm a beginner at proxy traffic stuff and I'm struggling here with Charles Proxy I'm trying to 'intercept traffic'. I have an HTTPS page and I want to display the data from the content (inside ...
0
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0answers
18 views

SSL stripping - initiate HTTPS or HTTP first? [duplicate]

I am quite confused. I have been reading about SSL stripping and what I have found is that The client (victim) has to initiate the first connection via HTTP The server will redirect to HTTPS - here ...
5
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1answer
654 views

How to mitigate credential disclosure in man in the middle attack

I have the followin scenario and looking for a secure solution. There is a web application, hosted on IIS. The connection is established over TLS 1.2 and is encrypted. So the steps are Client ...
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0answers
1k views

Charles Proxy intercepting SSL Pinning enabled traffic

An Android application that has SSL Pinning was successfully tested on a mobile device running Android 6 (with the certificates installed) using Burp proxy and OWASP ZAP Proxy. As expected the ...
0
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1answer
100 views

Which certificate on my computer is used to make a SSL/TLS handshake

When connecting to a specific website(www.test.yyy.com) inside of an organisation SSL/TLS handshake is performed. From my understanding, I would say that one of my personal certificates on computer is ...
2
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3answers
204 views

Identification of TLS POODLE Vulnerability

How can I identify whether the remote server is vulnerable to TLS POODLE vulnerability? Although, there are online scanners such as Qualys SSL Labs. As per my understanding, these online scanners do ...
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0answers
99 views

Is it safe to use HTTPS websites over an unknown PPTP VPN? [duplicate]

I want to create e.g a Gmail account while connected to an unknown PPTP VPN. Is it safe, or can the owner of the PPTP VPN see my Gmail web page information, such as username or password, at all? Can ...
1
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1answer
167 views

How to listen on all encrypted (SSL/TLS) traffic of a (Windows) system under your control?

On one of my Windows machines (so I am admin and basically can do whatever I want with it) I'd like to analyse traffic which obviously is directed to a malware C&C server. The traffic is TLS ...
1
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0answers
141 views

How does HTTP Catcher (iOS app) work on SSL/TLS? [duplicate]

From the official description: HTTP Catcher is a web debugging proxy. It can be used to intercept, inspect, modify and replay web traffic. Can someone explain to me how HTTP Catcher manages to do ...
0
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2answers
409 views

private key of SSL certificate

To create a certificate, first we need to fill a CSR and in CSR we have to place our public key and that key pair can be generated by different ways in different devices. To do ssh, we run command (...
0
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1answer
153 views

Why is subject verification an effective means to detect MitM attacks in TLS? [duplicate]

Say, an attacker fakes an original server certificate by a trusted CA using a another certificate from the same CA in a Man-in-the-middle attack. Why can this be detected using subject verification on ...
1
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1answer
87 views

MitM to intercept SSL/TLS based on network traffic alone?

Say, an attacker wants to perform a MitM but all he has available is the network traffic between a client and a server. He has no further information about the data or certificates than what's being ...
0
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1answer
108 views

Need for additional verification in mutual TLS authentication with own CA

Say, the goal is to facilitate secure communication between two parties. The definition of secure is that both parties can be sure that they are actually talking to a trusted party, not somebody else ...
2
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2answers
794 views

Mutual TLS and Cert Pinning solving the same problem?

To prevent MITM from my app I will use cert pinning. To prevent having not approved parties communicate to my server I can use Mutal TLS, which actually accepting communication from trusted sources. ...
0
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1answer
76 views

Format of finshed message when the cipher selected is “TLS_ECDH_ECDSA_WITH_NULL_SHA”

i wanted to understand difference in the "Finished message" when different cipher site selected with encryption and with out encryption. I am able to find the format of Finished message when the ...