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content/posts/2024/69-recover-your-lost-password-on-the-command-line/index.md

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+---
+title: Recover Your Lost Password On The Command Line
+summary: 
+date: 2024-07-27T09:43:37+02:00
+lastmod: 2024-07-28T05:56:54+0000
+categories:
+  - amateur-radio
+  - computerstuff
+tags:
+  - draft_post
+
+# showBreadcrumbs: true
+# showDate: false
+# showReadingTime: false
+# showWordCount: false
+# showPagination: false
+
+# feed_exclude: true
+# site_exclude: true
+
+# some help
+#
+# highlighting with highlights
+#
+# use table, as inline creates a padding around
+# and it pushes the text more to the right side (end of screen)
+#
+# ~~~html {linenos=table,hl_lines="3-6"}
+# ~~~html {linenos=inline,hl_lines="1,3-6"}
+
+draft: true
+
+---
+
+If you are like me and use many different passwords you may come to that point
+when you can't think of a password for a specific service. (or file (zip)).
+
+I usually save most variations of my passwords in a secure file and with a rule
+file I can re-create most of the passwords that I have ever used.
+
+And because I do not want to type all the passwords by hand I use tools for this task,
+which speeds this whole process up and it costs me minutes (where I can do other things
+meanwhile)...
+
+## Create the initial password file
+
+I only use lower letters because I will punch that file through rules later that will
+automatically make some letters uppercase, add some numbers to it et cetera...
+
+~~~
+password
+otherpassword
+~~~
+
+Let these be our initial password file with the initial password that we use.
+
+## The rule file
+
+Now create a rule file that will do most of the work by modifying the lines
+from our initial password file.
+
+~~~
+## take it as it is, toggle first character to uppercase or lowercase, uppercase all characters
+:
+T0
+u
+
+## append/prepend something to the password itself
+$!
+$1 $2 $3
+$3 $2 $1
+$m $i $n $e
+^y ^m
+^i
+^i T1
+^0
+^0 T1
+~~~
+
+So if you tend to finish your weak passwords with `12shark`, you may want to add this to
+your ruleset as `$1 $2 $s $h $a $r $k`.
+
+Now every line from your password file gets appended with `12shark`.
+
+## Line counts
+
+~~~console
+$ wc -l *
+   154 list.best64.txt
+ 68196 list.d3ad0ne.txt
+    24 list.simple.txt
+     2 pwlist.txt
+    15 simple.rule
+~~~
+
+So our initial password file contains 2 words (2 lines), the modified new password list
+based on our own ruleset contains 24 lines (passwords).
+
+And the other two files (_best64_ and _d3ad0ne_) were made with some default rules from a
+tool called [john](https://www.openwall.com/john/).
+
+As you can see the wide-known ruleset _best64_ created 154 passwords from it and the
+more enhanced rule _d3ad0ne_ created 68196 passwords from our 2 words.
+
+## What the output looks like
+
+Using our own ruleset from above, we get these combinations:
+
+~~~
+password
+Password
+PASSWORD
+password!
+password123
+password321
+passwordmine
+mypassword
+ipassword
+iPassword
+0password
+0Password
+otherpassword
+Otherpassword
+OTHERPASSWORD
+otherpassword!
+otherpassword123
+otherpassword321
+otherpasswordmine
+myotherpassword
+iotherpassword
+iOtherpassword
+0otherpassword
+0Otherpassword
+~~~
+
+