Category Archives: EN

Anything that does not fit into other categories …

Floating point precision … printf-VS2013-vs.-later-VS-version edition

As developers we probably all know that floating point precision can be an issue1. It can haunt us in various ways. Generally when we talk about precision, though, we probably don’t have in mind printf as the first thing. This … Continue reading

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Enabling RSA (with SHA-1) again in OpenSSH server

The sshd version that ships with Ubuntu 22.04 seems to have abandoned RSA authentication. Well, that’s not true. It’s about the hash algorithm used by the “old” protocol by the name ssh-rsa, which is deemed insecure by today’s standards. RSA … Continue reading

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Bash training I gave some years ago

This is a Bash training I gave some years ago, which I had — however — prepared on my own time. Some parts may be outdated. Others may need some touching up, but in general I think it can be … Continue reading

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That trick I learned with the Visual Studio debugger

Alright, I’ll admit it it: I am in team WinDbg. Sure, I’ll happily use WinDbgX — the “Preview” version of the “new” WinDbg which has been in preview for ages now — but I always was a bit unhappy with … Continue reading

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IDA and Hex-Rays decompiler keyboard shortcut cheat sheet

Find it on GitHub: assarbad/some-latex/releases/tag/v1.0-ida-cheat-sheet LaTeX source can be found in the repository itself.

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Reminder to self: IDA load all sections

Just a reminder to myself. Edit cfg/pe.cfg inside the IDA installation folder to configure the PE loader to load all sections: // Always load all sections of a PE file? // If no, sections like .reloc and .rsrc are skipped … Continue reading

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ASR rule “Block Win32 API calls from Office macros”

Microsoft says it’s fixed. It may be, but I think there’s more to it than meets the eye. Colleagues of mine noticed that, aside from shortcuts disappearing, Defender also started acting up on TortoiseProc.exe from TortoiseSVN. Notably, checkouts would fail … Continue reading

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dumbin.exe, editbin.exe, lib.exe …

They’re all just slim wrappers around the actual link.exe, not using a common DLL or so, but actually invoking: dumpbin.exe simply invokes “link /dump” and failing that “link.exe link /dump” editbin.exe simply invokes “link /edit” and failing that “link.exe link … Continue reading

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What does adding masm targets do under the hood

If in Visual Studio when you right-click a C/C++-project in the Solution Explorer, you choose Build Customizations…, the following dialog will be presented: If you check the item for masm, the following changes will be done to your .vcxproj file: … Continue reading

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Certum Open Source Code-Signing certificate

In the past I used a variety of code-signing CAs. But for a few years now I am using Certums affordable offer for Open Source developers. Let’s assume you already have their latest hardware and merely want to renew or … Continue reading

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PowerShell

Within the last two years or so I have started to use more and more PowerShell scripting at work and for my private administration tasks on Windows. The thing I find coolest about PowerShell is that you can tap into … Continue reading

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FLOSS-Developers gone bonkers?

So as I understand under the hashtag #StandWithUkraine some idiots have started supply-chain attacks, targeting Russian and Belarussian targets. I’ll leave the exercise to find the respective repos on GitHub to the inclined reader. Has everyone gone bonkers now? Aside … Continue reading

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George F. Kennan, 1997-02-05

A fateful error Excerpt: The view, bluntly stated, is that expanding NATO would be the most fateful error of American policy in the entire post-cold-war era. An op-ed by George F. Kennan in the New York Times from 1997-02-05. This … Continue reading

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Chomsky before the invasion started

Noam Chomsky: on the Pandemic, Ukraine crisis & Climate Change

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Signing my code from within a (Windows) VM

My main workstation runs Linux. It has for quite some time now. I had some issues getting 3D acceleration passed through using my AMD GPU and VMware Workstation, but finally got it to work. However, this time it’s about signing … Continue reading

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Running IDA 7.x/8.x inside Crossover 21/22

For a few versions I had issues running IDA Pro in Crossover with IDAPython enabled. Prior to the starting issues, everything worked fine, e.g. in the IDA 6.x version range. Please note that the setup of IDA Pro also succeeded … Continue reading

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Changing local Git clone from master to main

I never understood why Git chose master as the default branch name, MAIN in CVS seemed more sensible, but perhaps Torvald’s animosity towards CVS and SVN plays a role. Presumably trunk in SVN is a reference to the tree-like structure, … Continue reading

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Transition

After more than 17 years — it all started in April 2004 — I am no longer hosting the UltraVNC forum. To the users the only very visible recent change may have been that forum.ultravnc.net now forwards to forum.uvnc.com. The … Continue reading

Posted in /dev/null, Administration, EN, Software | Tagged | Leave a comment

Corona Pass

As could already be seen in other EU countries the restrictions are getting more and more ridiculous. The pressure for unvaccinated people is mounting. This account of a Lithuanian man shows the absurdity of the rules once again and how … Continue reading

Posted in EN, Opinion, Thoughts | Tagged , , , | 1 Comment

Just booted a Windows 2000 VM I archived 15 years ago

This was certainly one of the stranger, but also very intriguing things I’ve done so far this year. Alone the fact it’d prompt you for the setup CD (!) when simply removing one keyboard layout and configuring another as the … Continue reading

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