Posts Archived Under "Reverse Engineering"

Frontdoor to the Technicolor 7210

Frontdoor to the Technicolor 7210

In a previous article, I explained how to get root on the embedded Linux part of the Technicolor 7210 router by leveraging a remote code execution (RCE). This article on the other hand, will explain how one can leverage a “frontdoor” to gain the same level of access.

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Reversing the TC7210 Embedded Linux Firmware

Reversing the TC7210 Embedded Linux Firmware

In this article I will explain how to reverse the firmware of the embedded Linux part of the Technicolor (TC) 7210 router by leveraging the usual tools of the trade.

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Rooting the Technicolor 7210

Rooting the Technicolor 7210

The Technicolor 7210 home router is a powerful little device. It provides 1Gbps Ethernet, dual-band wireless for speeds ranging from 300Mbps to 1300Mbps, and Network Attached Storage (NAS) for file sharing and media streaming.

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AnyConnect Elevation of Privileges, Part 2

AnyConnect Elevation of Privileges, Part 2

In the previous part of this multi-part article, I explained how I reversed engineered one of the binaries of the Cisco AnyConnect (CAC) Secure Mobility Client. This allowed me to understand the header format of the network packets used in the Inter-Process Communication (IPC) mechanism. In this part, I will focus on doing a more dynamic analysis in order to understand what goes in the packet body.

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AnyConnect Elevation of Privileges, Part 1

AnyConnect Elevation of Privileges, Part 1

The Cisco AnyConnect (CAC) Secure Mobility Client doesn’t have the brightest security track record. CVE-2015-4211 and CVE-2015-6305 are only two out of the fourteen CVEs that have been assigned to it just in 2015. This spiked my curiosity and prompted me to confirm if Cisco had properly fixed the underlying issue of these vulnerabilities.

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HPQPswd Encrypted Passwords Decryption

HPQPswd Encrypted Passwords Decryption

Ever wondered how to decrypt HPQPswd encrypted passwords? So did I when, for the first time, I came across a strange file called password.bin with a magic value of _HPPW12_.

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Titan Quest Invincibility Cheat

Titan Quest Invincibility Cheat

In the last level of Titan Quest, every player will have to face the titan Typhon, Bane of the Gods. A task that is very far from easy…

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Reversing Aruba Instant Firmware

Reversing Aruba Instant Firmware

Aruba produces two different software loads for their Access Point hardware. The first is called ArubaOS and the second is called Aruba Instant. With ArubaOS, the AP requires a Mobility Controller (hardware) to be installed in the network. With the Aruba Instant it is possible to run AP’s independently (standalone mode) or in a cluster, with no Mobility Controller in the network.

What follows is the full process to extract all the files recreating the Aruba Instant firmware file system.

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Portuguese Banking Apps, Yay or Nay?

Portuguese Banking Apps, Yay or Nay?

I have been using my bank mobile application for a while, but never had a look at its security. This is an account of my findings, not only on that specific application, but on eight of the offerings available in the Portuguese market.

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Reversing ArubaOS Firmware

Reversing ArubaOS Firmware

Some time ago, I had the chance to get my hands on a ArubaOS firmware, what follows is the full process to extract all the files recreating the appliance running file system. This had the objective of fuzzing the extracted binaries in QEMU (ArubaOS management console is CGI based).

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