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Shellcode Injection Part 1 @en:it-security:blog
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should be in C format | | > shell.c | Save to the file shell.c | <code bash> msfvenom -p windows/shell_... tes. We take this from the ''msfvenom'' output. <file cpp local-process-injection.cpp> #include <stdio.... ad, size); ((void(*)())code)(); return(0); } </file> \\ \\ ==== Analyse shellcode ==== After compili... s> python3 jigsaw.py shell.raw </code> and get a file with C++ code. <code c++> unsigned char jigsaw[5
Buffer overflow in the 64-bit stack - Part 3 @en:it-security:blog
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h>psycore8/nosoc-bof/tree/main/part-3|Github]]. <file c bof-part3.c> /* Code https://blog.techorganic.c... setbuf(stdout, 0); vuln(); return 0; } </file> \\ \\ ===== Debug ===== {{page>en:vorlagen:att... s write a first exploit to ''write()'' to leak. <file python buf3-stage1.py> #!/usr/bin/env python fro... eaked write address: {}".format(hex(got_leak))) </file> We run the whole thing and get the following ou
Buffer overflow in the 64-bit stack - part 1 @en:it-security:blog
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==== First we set root rights to the vulnerable file and start it((https://blog.techorganic.com/2015/0
Buffer overflow in the 64-bit stack - Part 2 @en:it-security:blog
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per and display the gadgets <code bash> ropper --file bof-part2 ... 0x000000000040116a: pop rdi; ret; .... ll need 2 offsets for the exploit. So we load our file into the debugger and start it: <code bash> gdb-... === Now we run our Python exploit and create the file in.txt. <code bash>python2 buffer.py</code> \\ \\ ==== Set authorisations ==== Our file still needs the appropriate root permissions. <c
Privilege escalation: Windows admin thanks to Linux @en:it-security:blog
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]] After the download you have to port the image file to a bootable USB stick or DVD. To ensure that th
The importance of awareness in IT security @en:it-security:blog
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romised. The trigger was a double-click on an ISO file that was sent as an attachment in an email. Windo... k methods === In this particular example, an ISO file was included. This is only symbolic for the time
Execute repair of Windows 10 @en:windows
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* Switch to the Sources folder * Search for the file setupprep.exe * Execute the file * Follow the instructions and run the setup
Disable User Account Control (UAC) completely @en:windows
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Alternative ==== Save and execute the following file by double-clicking on it. Confirm the query(s) and restart. <file reg EnableLUA.reg> Windows Registry Editor Versio... ion\Policies\System] "EnableLUA"=dword:00000000 </file> ===== Deactivating via PowerShell ===== <code
Start Registry Editor @en:windows
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advisable to create a data backup: - Click on "File" - "Export" - Specify a target file ===== Screenshot ===== {{windows:regedit.jpg|}} ===== Furthe
Backing up the sshd @en:linux
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096 Generating public/private rsa key pair. Enter file in which to save the key (/home/user/.ssh/id_rsa)... <code bash>$ wipe id_rsa Okay to WIPE 1 regular file ? (Yes/No) yes Operation finished. 1 file wiped and 0 special files ignored in 0 directories, 0 symlink... Connection / SSH / Auth** and under **private key file for authentication** and enter the path to our pp
Postfix Virtual Mailbox Limit @en:linux
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nfiguration. ===== Troubleshooting ===== In the file <code text> /etc/postfix/main.cf </code> file, the following entry must be added: <code text> virtua
n8n installation with Docker Compose @en:linux
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R_SERVER> </code> ===== 4. create Docker Compose file ===== <code>/somedirectory/docker-compose.yml</c... node/.n8n </code> </hidden> ===== 5. create .env file ===== <code>/somedirectory/n8n/.env</code> <cod
Kali Linuxc: apt error - File has unexpected size @en:linux
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linux kali apt}} ====== Kali Linuxc: apt error - File has unexpected size ====== ===== problem ===== ... /kali kali-rolling/main amd64 gzip amd64 1.8-1+b1 File has unexpected size (225568 != 115516). Mirror sy
Update UnrealIRCD @en:linux
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t you use 0600 to prevent unwanted reading of the file [0600] -> If you want, you can manually enter th... c] -> What is the maximum number of sockets (and file descriptors) that UnrealIRCd may use? It is recom
Set up iptables @en:linux
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bash> iptables -L </code> ===== Save rules to a file ===== <code bash> apt-get update apt-get install... test.rules ^O ^X </code> The iptables.test.rules file can now be edited. ===== Define rules ===== [[... c/network/if-pre-up.d/iptables ^O ^X </code> The file /etc/network/if-pre-up.d/iptables is executed at ... re < /etc/iptables.up.rules </code> Now make the file executable and that's it: <code bash> chmod +x /
Linux Commands Cheatsheet @en:linux
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Backup Script Linux @en:linux
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Helpful NMAP scanner commands @en:it-security
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Secure passwords @en:it-security
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Set up iptables @en:linux:firewall
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Password Manager @en:archiv:software
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MySQL Backup under Linux @en:linux:mysql
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Security on the net @en:tut
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Windows XP Mode for Windows 7 Home @en:archiv:windows:vista
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Move swap file under XP @en:archiv:windows:performance
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Execute repair of Windows 10 @en:windows:10
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Courier with TLS connection @en:linux:courier
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Password Manager @en:software:passwort_manager
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ChaosDLL mIRC Script @en:software:chaosdll
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Debian Fileserver with Samba @en:linux:samba
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Windows Security - Basics @en:windows:security
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Formatting Syntax @en:wiki
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Debian Distribution Upgrade - Squeeze to Wheezy @en:linux:debian
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DelLastXFiles - delete data chronologically @en:software
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n8n installation with Docker Compose @en:linux:n8n
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Reset the registry at an earlier point in time @en:windows
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Start Registry Editor @en:windows:essentials
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Postfix trivial rewrite problem @en:linux
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IRC Operator commands @en:irc
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Linux backup with tar @en:linux:backup
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Kali Linuxc: apt error - File has unexpected size @en:linux:kali
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MySQL Operating system error number 13 @en:linux:mysql
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Linux backup with rsync @en:linux:backup
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Windows Bluescreen Analysis @en:windows
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