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0
votes
0answers
33 views

Altering assembly without affecting digital signature

I have discovered a software crack where the license check assembly (.NET) has been altered but the digital signature and the strong name are both still perfectly intact. Strong naming is easy to ...
1
vote
2answers
117 views

How to protect against request intercepting and parameter-tampering? [duplicate]

My problem is that I made an app and I am making PHP Requests. I just realized that you can sniff everything on Android with "Packet Capture". How can I make my app more secure? I thought about ...
6
votes
3answers
1k views

Verifying android application integrity from server side

I have android applications (Mobile banking) that connect to my server and do online transactions (via Internet/USSD/SMS), I want to make sure those clients are not tampered with and are the original ...
36
votes
8answers
4k views

How to know whether a textfile has been edited or tampered with?

Is it possible to know whether a textfile, e.g. in XML format, has been edited or tampered with over time? The context to my question follows: I am a scientist in industry using a technology called ...
37
votes
5answers
4k views

Risk of tampering when hardware shipment is delayed

I am currently receiving an order of computer parts in the mail including an SSD. Tracking showed that the package arrived in my town on day X, and was originally scheduled for delivery on day X as ...
6
votes
2answers
967 views

Can a faked iPhone SMS log be detected

SMS messages received by an iPhone is stored unencrypted in an SQLite database, which may be extracted by backing up the phone. You can manipulate (tamper with, e.g: replace the text of a message ...
1
vote
1answer
114 views

How to configure WebScarab to intercept only POST requests?

I'm trying to make WebScarab intercept only POST requests. On the Intercept tab below Methods I've selected only POST, but it still intercepts all GET and POST requests, so it's quite hard to tamper ...
0
votes
1answer
178 views

Prevent Data Tampering

I have developed a login page using php and i have an firefox addon named "Tamper Data 11.0.1.1-signed" . I entered the username and password and started tampering of that data using that addon. I am ...
-4
votes
1answer
185 views

How does Paypal validate the transaction amount?

How does Paypal validate the transaction amount if the buyer changed the purchase amount using http parameter tampering attack?
0
votes
2answers
370 views

Laptop tampering and boot loader

I try to find out how far I can secure my laptop from physical access and tampering attempts. Setup: ThinkPad with Linux installation What I have done so far: disk encryption using cryptsetup for ...
1
vote
1answer
758 views

How do I prevent tampering with form submission data, and changing the details for any account?

Although this is something that only employees can use, I'd like to prevent the tampering anyway. I don't like insecure code, and this is hideously insecure. Here's an example link: <a href="#' + ...
0
votes
2answers
246 views

Burp suite - trying all parameters such as numbers|numbers

A website I'm looking at for my colleagues has a parameter which is number|number Where the likely values will be 1-99|1-999 (e.g. 14|234) How do I configure burp to try all possible values? (Would ...
0
votes
1answer
313 views

How I do get the correct the Tamper parameters from an internal web login [closed]

I am doing pentesting for a web application, but I do not know if am using the Tamper Data add on on mozilla correctly. Could anyone explain how to get the following parameters, and where do I need ...
3
votes
3answers
499 views

Tamper proof hardware - not resistant

Can you make a TPM (or any piece of hardware) Completely tamper-proof? The “regular” tamper resistant hardware has various physical attacks http://www.milinda-perera.com/pdf/EKKLP12a.pdf I have been ...
0
votes
2answers
519 views

What is actually the purpose of encrypting the values in a cookie?

I was researching on internet security. When I reached at section Cookies, I happened to read that the values inside a cookie are generally stored only after encrypting them. But an encryption can be ...
2
votes
3answers
110 views

is there a way to indirectly uncharge rapidly a coin cell to defeat an anti tampering mechanism?

An anti tampering mechanism of a device relay on detect tampering mechanism when the device is powered down using the energy provided internally by a coin cell. Is there a way to uncharge rapidly a ...
-2
votes
4answers
136 views

Trying to secure a code

I am trying to make hard to a code to be modified. Security is my concern. Ok, I know what you guys will say about piracy, bla bla bla. Lets refrain from that discussion. I am trying to collect ...
1
vote
3answers
346 views

Detect message tampering without shared key and without certificate authority

Is it possible to detect if a message has been tampered with, without using MAC (i.e. shared key) and without using a "trusted" third party (i.e. certificate authority)? I'm pretty sure it's not, but ...
0
votes
2answers
286 views

PC showed evidence of a phone being attached for no obvious reason. Theories on why? [closed]

Connecting via remote desktop to a Windows 7 machine today showed the last couple of seconds of a windows device installing and the "Your device is ready" popup for a Sony Xperia T. Going to printers/...