Collaborate Disseminate
I forgot password to 7z archive encrypted with AES 256. I am fairly certain of most characters however. I know password length is either 8 or 12 characters and if it is 12 I know the last 4 characters. I am certain of 1st, 4th, 5th charact… Continue reading Cracking Lost Password for encrypted 7z file with most characters known
As some in here might know, there is/was a ransomware attack going on worldwide that used 7z to encrypt all files <20MB for a ton of users world wide.
Each user has a unique 32 char password (Upper & lowercase & Numbers – 62 pos… Continue reading 7z "Copy 7zAES" algo brute force with 32 char password for when original file is available (QNAP QLocker ransomware) [duplicate]
Let’s say I have two kind of files on my Windows desktop – first are files that can be published and shared with other people, second kind is confidential and should remain private.
To share files I compress them with Peazip. I am a bit pa… Continue reading Is checking zip content on another PC enough to prevent data leak?
A follow up to my 7,5 years old question. Back 10-15 years ago, when I wanted to send an executable file over Gmail from my PC, all I had to do was to change file’s extension to some meaningless one or compress that file with a password.
T… Continue reading Can I consider files compressed with password safe at all?
A follow up to my 7,5 years old question. Back 10-15 years ago, when I wanted to send an executable file over Gmail from my PC, all I had to do was to change file’s extension to some meaningless one or compress that file with a password.
T… Continue reading Can I consider files compressed with password safe at all?
A client says they can’t accept password-protected PDFs to put in their payroll system, so I have to send them without security. I don’t want to send unsecured PDFs via e-mail because e-mail is inherently insecure. I figured a good alterna… Continue reading Are files encrypted with 7ZIP vulnerable to password crackers?
I want to archive some GB of sensitive data. It is to be stored on an external drive that also includes non sensitive data so i don’t want to encrypt the whole drive. For that purpose i want to use 7zip and the 7z file format with AES-256 … Continue reading Does compression level influence security of encryted 7z files?
I am trying to recover a 7z file, but have forgotten the password. It’s completely AES-256 encrypted (i.e. not even the filenames are available).
Steps:
Generated hash file with 7z2hashcat.pl
Ran a mask attack using hashcat -a 3 -m 11600 … Continue reading Recovered a 7z password with hashcat, but it’s not the right one
I have made a 7z archive using Delta filter containing a wav file and I have protected it with a password. I am running a terminal in Kali Linux. My problem is that I cannot get the password cracked using 7z2john.pl and John the Ripper. If… Continue reading Decrypting a password-protected 7z file with Delta filter fails
I’ve never really worked with this tool, John Jumbo 1.9. I’m just curious since people say 7zip is a secure way of encrypting files, so I wanted to try it myself. Anyways, I encrypted a file with 7z, and installed john-jumbo on my machine … Continue reading Getting an error when running John The Ripper on 7zip file