User contributions for Exf

26 September 2022

• 12:4312:43, 26 September 2022 diff hist +137 N FTP exploit Created page with "===Description=== ===Question=== ===Solution=== ===Tools=== ===Flag=== ===Links=== * Back to CTF Challenges page" current
• 12:4312:43, 26 September 2022 diff hist +137 N Pcap extract Created page with "===Description=== ===Question=== ===Solution=== ===Tools=== ===Flag=== ===Links=== * Back to CTF Challenges page" current
• 12:4312:43, 26 September 2022 diff hist +137 N Shellshock exploit Created page with "===Description=== ===Question=== ===Solution=== ===Tools=== ===Flag=== ===Links=== * Back to CTF Challenges page" current
• 12:4312:43, 26 September 2022 diff hist +137 N PHPMailer exploit Created page with "===Description=== ===Question=== ===Solution=== ===Tools=== ===Flag=== ===Links=== * Back to CTF Challenges page" current
• 12:4312:43, 26 September 2022 diff hist +137 N Scanning 2 Created page with "===Description=== ===Question=== ===Solution=== ===Tools=== ===Flag=== ===Links=== * Back to CTF Challenges page" current
• 12:4312:43, 26 September 2022 diff hist +137 N Range Created page with "===Description=== ===Question=== ===Solution=== ===Tools=== ===Flag=== ===Links=== * Back to CTF Challenges page" current
• 12:4312:43, 26 September 2022 diff hist +137 N Metadata Created page with "===Description=== ===Question=== ===Solution=== ===Tools=== ===Flag=== ===Links=== * Back to CTF Challenges page" current
• 12:4312:43, 26 September 2022 diff hist +137 N Pump clicker Created page with "===Description=== ===Question=== ===Solution=== ===Tools=== ===Flag=== ===Links=== * Back to CTF Challenges page" current
• 12:4312:43, 26 September 2022 diff hist +137 N Upload Created page with "===Description=== ===Question=== ===Solution=== ===Tools=== ===Flag=== ===Links=== * Back to CTF Challenges page" current
• 12:4312:43, 26 September 2022 diff hist +137 N Ping Created page with "===Description=== ===Question=== ===Solution=== ===Tools=== ===Flag=== ===Links=== * Back to CTF Challenges page" current
• 12:4212:42, 26 September 2022 diff hist +137 N Blog Created page with "===Description=== ===Question=== ===Solution=== ===Tools=== ===Flag=== ===Links=== * Back to CTF Challenges page"
• 12:4212:42, 26 September 2022 diff hist +137 N User audit Created page with "===Description=== ===Question=== ===Solution=== ===Tools=== ===Flag=== ===Links=== * Back to CTF Challenges page" Tag: Visual edit: Switched
• 12:1212:12, 26 September 2022 diff hist +46 Unknown file No edit summary current Tag: Visual edit
• 12:1212:12, 26 September 2022 diff hist 0 N File:Unknown-file.PNG No edit summary current
• 12:1112:11, 26 September 2022 diff hist +1,159 N Unknown file Created page with "===Description=== On linux, quite often you will see files without any extensions. You must find out what kind of files they are so that you can choose appropriate tools to use on them. 50pts ===Question=== Inspect this file and get the flag <code>/var/unknown/file</code> ===Solution=== First, I go to the folder where the file is located using the <code>cd</code> command. Next, I examine which file it is using the <code>file</code> command. I find out that the file is <..." Tag: Visual edit: Switched
• 12:0312:03, 26 September 2022 diff hist +42 Compressed No edit summary current Tag: Visual edit
• 12:0312:03, 26 September 2022 diff hist 0 N File:Compressed.PNG No edit summary current
• 12:0312:03, 26 September 2022 diff hist +1,333 N Compressed Created page with "===Description=== Often the files you need from the internet or other sources come in a compressed format. There are many tools available and most of them have slightly different syntax for unpacking. How to find information on unpacking different formats is a mandatory knowledge. 50pts ===Question=== Unpack all the files in the folder <code>/var/compressed/</code> and retrieve the flag. ===Solution=== First, go to the folder where the files to be extracted are. See wh..." Tag: Visual edit: Switched
• 11:4911:49, 26 September 2022 diff hist +34 Inside No edit summary current Tag: Visual edit
• 11:4811:48, 26 September 2022 diff hist 0 N File:Inside.PNG No edit summary current
• 11:4811:48, 26 September 2022 diff hist +533 N Inside Created page with "===Description=== Sometimes you only know the contents of the file but not the location or name. 50pts ===Question=== Find a file from the system that has following line in it <code>The cake is a lie</code> It is located inn one of the subfolders of <code>/usr/</code> ===Solution=== With <code>grep</code> tool you can find strings inside files. Lets use <code>grep -r "The cake is a lie" /urs/</code> ===Tools=== *grep ===Flag=== <code>ctf-tech{f62cf6d8-f27f}</code> ===..." Tag: Visual edit: Switched
• 11:4511:45, 26 September 2022 diff hist +36 Find-me No edit summary current Tag: Visual edit
• 11:4411:44, 26 September 2022 diff hist 0 N File:Find-me.PNG No edit summary current
• 11:4411:44, 26 September 2022 diff hist +636 N Find-me Created page with "===Description=== Sometimes you only know the filename but not the location. 50pts ===Question=== Find a file from the system that is named <code>find-flag.txt</code> It is located in one of the subfolders of <code>/etc/</code> ===Solution=== We can use tool called <code>find</code> to find the file. <code>find /etc/ -name find-flag.txt</code> With this we get the file location. Then we can just print the contents of the file out to the screen with <code>cat /etc/tool..."
• 11:3911:39, 26 September 2022 diff hist +28 DIR No edit summary current Tag: Visual edit
• 11:3811:38, 26 September 2022 diff hist 0 N File:Dir.PNG No edit summary current
• 11:3811:38, 26 September 2022 diff hist +380 N DIR Created page with "===Description=== Quite often you need to read text from diffente folders or navigate around in a filesystem. 50pts ===Question=== Read a flag from <code>/var/log/system/dir.txt</code> ===Solution=== Use command <code>cat /var/log/system/dir.txt</code> ===Tools=== *cat ===Flag=== <code>ctf-tech{ccfe7ce3-5499}</code> ===Links=== * Back to CTF Challenges page"
• 11:3611:36, 26 September 2022 diff hist +34 Hidden No edit summary current Tag: Visual edit
• 11:3511:35, 26 September 2022 diff hist 0 N File:Hidden.png No edit summary current
• 11:3511:35, 26 September 2022 diff hist +14 Hidden →Flag Tag: Visual edit: Switched
• 11:3511:35, 26 September 2022 diff hist +1 Hidden No edit summary Tag: Visual edit: Switched
• 11:3411:34, 26 September 2022 diff hist +457 N Hidden Created page with "===Description=== Investigate your home directory in your kali. There is a flag in a text file. 50pts ===Question=== Find a flag from your home directory. ===Solution=== Run <code>ls -la</code> to figure out what is in your home folder. You will find file named <code>.secret.txt</code. Use <code>cat .secret.txt</code> to get the flag. ===Tools=== *ls *cat ===Flag=== ctf-tech{535cf824-e3f8} ===Links=== * Back to CTF Challenges page"
• 11:3211:32, 26 September 2022 diff hist +516 CTF Challenges No edit summary
• 11:2611:26, 26 September 2022 diff hist +20 CTF Challenges →Linux Tag: Visual edit
• 11:2511:25, 26 September 2022 diff hist −87 Main Page No edit summary Tags: Manual revert Visual edit
• 11:2411:24, 26 September 2022 diff hist +97 m Main Page Reverted edits by Exf (talk) to last revision by MediaWiki default Tags: Rollback Reverted
• 11:2411:24, 26 September 2022 diff hist −51 CTF Challenges No edit summary Tag: Visual edit
• 11:2411:24, 26 September 2022 diff hist −10 Main Page →Cyber Battle Nordic 2022 Tags: Reverted Visual edit

16 September 2022

• 09:2609:26, 16 September 2022 diff hist 0 We need oxygen No edit summary current Tag: Visual edit
• 09:2509:25, 16 September 2022 diff hist −12 We need oxygen No edit summary Tag: Visual edit: Switched
• 09:2509:25, 16 September 2022 diff hist +363 We need oxygen →Solution 2 Tag: Visual edit
• 09:2409:24, 16 September 2022 diff hist 0 N File:We-need-oxygen-js.PNG No edit summary current
• 09:1909:19, 16 September 2022 diff hist +6 We need oxygen No edit summary Tag: Visual edit: Switched
• 09:1809:18, 16 September 2022 diff hist +6 We need oxygen No edit summary Tag: Visual edit: Switched
• 09:1809:18, 16 September 2022 diff hist +24 We need oxygen No edit summary
• 09:1009:10, 16 September 2022 diff hist +80 We need oxygen No edit summary
• 09:0809:08, 16 September 2022 diff hist −144 Hidden in plain sight No edit summary current
• 09:0809:08, 16 September 2022 diff hist +17 Hidden in plain sight No edit summary Tag: Visual edit
• 09:0209:02, 16 September 2022 diff hist +74 CTF Challenges fixing links Tag: Visual edit
• 09:0109:01, 16 September 2022 diff hist +15 CTF Challenges No edit summary Tag: Visual edit