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Questions tagged [7zip]

7-Zip is an open source file compression and archiving application. Use this tag for questions regarding this application.

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JohnTheRipper Advanced Mask

I have problem to construct advanced mask to crack hash of 7zip file. The password have 16 chars where are all lower, upper, decimal and !@#$%-_=+: Main information is that any char can't duplicate ...
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Can a PowerShell script inside a Zip file execute automatically upon unzipping?

I have a zip file that has a Powershell script inside that I want to look at. Is it possible that the Powershell script could execute automatically just by unzipping the file? This is not something I ...
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0answers
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How to make 7-zip files more secure? [duplicate]

I came across these articles which imply (to me) that 7-Zip's AES implementation is not good: https://twitter.com/3lbios/status/1087848040583626753 https://threadreaderapp.com/thread/...
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Executing vs Extracting PE32/PE32+ executable

If you have a malicious upon execution ("running" it / double clicking on it) .exe , would extracting its contents with something like 7-Zip utility mitigate its effects? Or can it still do harm?
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What is the impact of the reported weak IV in 7 Zip?

It has been reported that 7 Zip generates IVs in a weak manner. What is the actual impact of this? I'm asking about historical Zip files that I've sent. I've no plans to use 7 Zip going forward until ...