Aviran

Category: Programming

  • x86 reverse shellcode documented example

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    aviran
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    Writing a shellcode is hard, documented references are scarce and figuring out how to translate function calls into assembly is a pain. I’m posting here a shellcode I wrote a while back. It’s not a perfect example, it can be shorter and more elegant, but it works and does not contain null bytes – It…

  • Using the back button on Android with Cocos2d-x 3

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    aviran
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    Among the many changes done in version 3 of cocos2d-x CCLayer::backKeyClicked() has been deprecated. So how do you catch that back key click these day? Here’s how, you need to override Layer::onKeyReleased() and compare the value of keyCode to KEY_ESCAPE, as shown in the following code From there you just need to handle the click.…

  • ARP ping with Python and Scapy

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    aviran
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    Usually we use the ping command to check if a machine exists at the address we ping, if we get a reply (Pong!) we know there’s a machine at that address. The traditional ping works using the ICMP protocol and sends icmp-echo-request (Ping) and icmp-echo-reply (Pong) packets. A machine can choose to ignore the echo…

  • ARP poisoning using Python and Scapy

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    aviran
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    What is ARP poisoning Machines on a TCP/IP local area network identify each other and communicate using the physical addresses of their network adapters (MAC address). Every machine keeps a list (cache) of neighboring machines and their MAC addresses, if that list is contaminated, i.e a machine on that list will have the wrong MAC…