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XSSTRIKE – ADVANCED XSS EXPLOITATION SUITE

XSStrike is really advanced XSS exploitation and detection suite, which contains a very powerful XSS fuzzer and provides no false positive results using fuzzy matching. XSStrike is the first XSS scanner that generates its own payloads. Download xsstrike and test it out.

It also has built in an artificial intelligent enough to detect and break out of various contexts.

FEATURES:

Powerful Fuzzing Engine
Context Breaking Intelligence
AI Payload Generation
GET & POST Methods Support
Cookie Support
WAF Fingerprinting
Handcrafted Payloads to Filter and WAF Evasion
Hidden Parameter Discovery
Accurate Results

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In general decompilers are not friendly with c++ let's analyse a simple program to get familiar with it.
Let's implement a simple code that loads a file into a vector and then save the vector with following functions:

err
load
save
main

Lets identify the typical way in C++ to print to stdout with the operator "<<"

The basic_ostream is initialized writing the word "error" to the cout, and then the operator<< again to add the endl.

The Main function simply calls "vec = load(filename)" but the compiler modified it and passed the vector pointer as a parámeter. Then it bulds and prints "loaded " << size << " users".
And finally saves the vector to /tmp/pwd and print "saved".
Most of the mess is basically the operator "<<" to concat and print values.
Also note that the vectors and strings are automatically deallocated when exit the function.

And here is the code:

Let's take a look to the load function, which iterates the ifs.getline() and push to the vector.
First of all there is a mess on the function definition, __return_storage_ptr is the vector.
the ifstream object ifs is initialized as a basic_ifstream and then operator! checks if it wasn't possible to open the file and in that case calls err()
We see the memset and a loop, getline read a cstr like line from the file, and then is converted to a string before pushing it to the vector. lVar1 is the stack canary value.

In this situations dont obfuscate with the vector pointer vec initialization at the begining, in this case the logic is quite clear.

The function save is a bit more tricky, but it's no more than a vector iteration and ofs writing.
Looping a simple "for (auto s : *vec)" in the decompiler is quite dense, but we can see clearly two write, the second write DAT_0010400b is a "\n"

As we see, save implememtation is quite straightforward.

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About Router-Exploit-Shovel
Router-Exploit-Shovel is an automated application generation for Stack Overflow types on Wireless Routers.

Router exploits shovel is an automated application generation tool for stack overflow types on wireless routers. The tool implements the key functions of exploits, it can adapt to the length of the data padding on the stack, generate the ROP chain, generate the encoded shellcode, and finally assemble them into a complete attack code. The user only needs to attach the attack code to the overflow location of the POC to complete the Exploit of the remote code execution.

The tool supports MIPSel and MIPSeb.Run on Ubuntu 16.04 64bit.

Router-Exploit-Shovel's Installation
Open your Terminal and enter these commands:
Usage

Example: python3 Router_Exploit_Shovel.py -b test_binaries/mipseb-httpd -l test_binaries/libuClibc-0.9.30.so -o 0x00478584

Router-Exploit-Shovel's screenshot

Code structure

ROP chain generation
This tool uses pattern to generate ROP chains. Extract patterns from common ROP exploitation procedure. Use regex matching to find available gadgets to fill up chain strings. Base64 encoding is to avoid duplicate character escapes. For example:

Attackblocks
You can get attackblocks generated in results/attackBlocks.txt. Such as:

You might like these similar tools:

Download Router-Exploit-Shovel

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Saturday, August 29, 2020

DOWNLOAD XSSTRIKE – ADVANCED XSS EXPLOITATION SUITE

XSSTRIKE – ADVANCED XSS EXPLOITATION SUITE

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DOWNLOAD XSSTRIKE – ADVANCED XSS EXPLOITATION SUITE

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Reversing Some C++ Io Operations

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Router-Exploit-Shovel: An Automated Application Generator For Stack Overflow Types On Wireless Routers

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