HackPack 2020 challs

Author: sajjadium

HackPack/2020/bookworm/bookworm

@@ -0,0 +1,23 @@
+import os
+import sys
+import subprocess
+
+
+def main(argv):
+    print("Welcome To JavaScript Cleaner")
+    js_name = input("Enter Js File Name To Clean: ")
+    code = input("Submit valid JavaScript Code: ")
+
+    js_name = os.path.basename(js_name) # No Directory Traversal for you
+
+    if not ".js" in js_name:
+        print("No a Js File")
+        return
+
+    with open(js_name,'w') as fin:
+        fin.write(code)
+
+    p = subprocess.run(['/usr/local/bin/node','index.js','-f',js_name],stdout=subprocess.PIPE);
+    print(p.stdout.decode('utf-8'))
+
+main(sys.argv)

HackPack/2020/bookworm/libc.so.6

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+VERSION="./glibc_versions"
+VER="2.26"
+TARGET="./toddler_cache"
+
+curr_interp=$(readelf -l "$TARGET" | grep 'Requesting' | cut -d':' -f2 | tr -d ' ]')
+target_interp="$VERSION/ld-$VER.so"
+
+if [[ $curr_interp != $target_interp ]];
+then
+    patchelf --set-interpreter "$target_interp" "$TARGET"
+fi
+
+LD_PRELOAD="$VERSION/libc-$VER.so" "$TARGET"

HackPack/2020/climb/climb

@@ -2,6 +2,12 @@ Collection of CTF pwn challenges.
 
 | CTF                        | Challenge   | Links          |
 |:--------------------------:|:-----------:|:--------------:|
+| [HackPack 2020](HackPack/2020) | [bookworm](HackPack/2020/bookworm) | [CTFtime](https://ctftime.org/event/1036)<br>[Writeups](https://ctftime.org/event/1036/tasks/) |
+| [HackPack 2020](HackPack/2020) | [climb](HackPack/2020/climb) | [CTFtime](https://ctftime.org/event/1036)<br>[Writeups](https://ctftime.org/event/1036/tasks/) |
+| [HackPack 2020](HackPack/2020) | [jsclean](HackPack/2020/jsclean) | [CTFtime](https://ctftime.org/event/1036)<br>[Writeups](https://ctftime.org/event/1036/tasks/) |
+| [HackPack 2020](HackPack/2020) | [mousetrap](HackPack/2020/mousetrap) | [CTFtime](https://ctftime.org/event/1036)<br>[Writeups](https://ctftime.org/event/1036/tasks/) |
+| [HackPack 2020](HackPack/2020) | [riskv_business](HackPack/2020/riskv_business) | [CTFtime](https://ctftime.org/event/1036)<br>[Writeups](https://ctftime.org/event/1036/tasks/) |
+| [HackPack 2020](HackPack/2020) | [toddler_cache](HackPack/2020/toddler_cache) | [CTFtime](https://ctftime.org/event/1036)<br>[Writeups](https://ctftime.org/event/1036/tasks/) |
 | [IJCTF 2020](IJCTF/2020) | [built_in_http](IJCTF/2020/built_in_http) | [CTFtime](https://ctftime.org/event/1003)<br>[Writeups](https://ctftime.org/event/1003/tasks/) |
 | [IJCTF 2020](IJCTF/2020) | [input_checker](IJCTF/2020/input_checker) | [CTFtime](https://ctftime.org/event/1003)<br>[Writeups](https://ctftime.org/event/1003/tasks/) |
 | [IJCTF 2020](IJCTF/2020) | [admin](IJCTF/2020/admin) | [CTFtime](https://ctftime.org/event/1003)<br>[Writeups](https://ctftime.org/event/1003/tasks/) |