lisa.py
-An Exploit Dev Swiss Army Knife.
#Installation Copy lisa.py and .lldbinit to ~/ Use the following commands:
ant4g0nist$ cp lisa.py ~/lisa.py
ant4g0nist$ cp lldbinit ~/.lldbinit
ant4g0nist$ lldb
lllllll iiii
l:::::l i::::i
l:::::l iiii
l:::::l
l::::l iiiiiii ssssssssss aaaaaaaaaaaaa
l::::l i:::::i ss::::::::::s a::::::::::::a
l::::l i::::i ss:::::::::::::s aaaaaaaaa:::::a
l::::l i::::i s::::::ssss:::::s a::::a
l::::l i::::i s:::::s ssssss aaaaaaa:::::a
l::::l i::::i s::::::s aa::::::::::::a
l::::l i::::i s::::::s a::::aaaa::::::a
l::::l i::::i ssssss s:::::s a::::a a:::::a
l::::::li::::::is:::::ssss::::::sa::::a a:::::a
l::::::li::::::is::::::::::::::s a:::::aaaa::::::a
l::::::li::::::i s:::::::::::ss a::::::::::aa:::a
lllllllliiiiiiii sssssssssss aaaaaaaaaa aaaa
-An Exploit Dev Swiss Army Knife. Version: v-ni
(lisa)target create tests/binaries/abort
(lisa)process launch -s
Process 1660 stopped
* thread #1: tid = 0x10801, 0x00007fff5fc01000 dyld`_dyld_start, stop reason = signal SIGSTOP
frame #0: 0x00007fff5fc01000 dyld`_dyld_start
dyld`_dyld_start:
-> 0x7fff5fc01000 <+0>: pop rdi
0x7fff5fc01001 <+1>: push 0x0
0x7fff5fc01003 <+3>: mov rbp, rsp
0x7fff5fc01006 <+6>: and rsp, -0x10
Process 1660 launched: '/Users/v0id/Documents/Research/lisa.py/tests/binaries/abort' (x86_64)
#Commands Available:
**exploitable** : checks if the crash is exploitable
<!-- run this when the process stops cause of an exception -->
(lisa)exploitable
**shellcode**: Searches shell-storm for shellcode
(lisa)shellcode
Syntax: shellcode <option> <arg>
Options: -search <keyword>
-display <shellcode id>
-save <shellcode id>
(lisa)shellcode -search osx
Connecting to shell-storm.org...
Found 17 shellcodes
ScId Size Title
[312] 300 Osx/ppc - Bind Shell PORT TCP/8000 - encoder OSXPPCLongXOR - 300 bytes
[127] 222 Osx/ppc - add inetd backdoor - 222 bytes
[128] 219 Osx/ppc - Add user r00t - 219 bytes
[761] 131 Osx/x86-64 - reverse tcp shellcode - 131 bytes
[126] 122 Osx/ppc - create /tmp/suid - 122 bytes
[129] 72 Osx/ppc - execve(/bin/sh,[/bin/sh],NULL)& exit() - 72 bytes
[736] 51 Osx/x86-64 - setuid shell x86_64 - 51 bytes
[130] 32 Osx/ppc - sync(), reboot() - 32 bytes
[692] 24 Osx/x86 - execve(/bin/sh) - 24 byte
[121] n/a Osx/ppc - remote findsock by recv() key shellcode
[122] n/a Osx/ppc - Single Reverse TCP
[123] n/a Osx/ppc - stager sock find peek
[124] n/a Osx/ppc - stager sock find
[125] n/a Osx/ppc - stager sock reverse
[120] n/a Osx/ppc - shellcode execve(/bin/sh)
[777] n/a Osx/x86-64 - universal ROP shellcode
[786] n/a Osx/x86-64 - universal OSX dyld ROP shellcode
**extract**: Extract a given architecture from a Universal binary
(lisa)extract
Syntax: extract x86_64 /usr/lib/system/libsystem_kernel.dylib ./libsystem_kernel.dylib
(lisa)extract x86_64 /usr/lib/system/libsystem_kernel.dylib ./libsystem_kernel.dylib
(lisa)
**pattern_create**: Creates a cyclic pattern of given length
(lisa)pattern_create 100
Aa0Aa1Aa2Aa3Aa4Aa5Aa6Aa7Aa8Aa9Ab0Ab1Ab2Ab3Ab4Ab5Ab6Ab7Ab8Ab9Ac0Ac1Ac2Ac3Ac4Ac5Ac6Ac7Ac8Ac9Ad0Ad1Ad2A
**pattern_offset**: Finds the offset of a given pattern in cyclic pattern of n length
(lisa)pattern_offset 100 Ad2A
Aa0Aa1Aa2Aa3Aa4Aa5Aa6Aa7Aa8Aa9Ab0Ab1Ab2Ab3Ab4Ab5Ab6Ab7Ab8Ab9Ac0Ac1Ac2Ac3Ac4Ac5Ac6Ac7Ac8Ac9Ad0Ad1Ad2A
offsets: [96]
(lisa)
**ct**: Prints the context of execution
(lisa)ct
[*] Disassembly :
libsystem_kernel.dylib`__pthread_kill:
-> 0x7fff8f6a4f06 <+10>: jae 0x7fff8f6a4f10 ; <+20>
0x7fff8f6a4f08 <+12>: mov rdi, rax
[*] Stack :
0x7fff5fbff788: 0x8d36b4ec 0x00007fff 0x00000000 0x00000000
0x7fff5fbff798: 0x5fbff7d0 0x00000307 0x5fbff7d0 0x00007fff
0x7fff5fbff7a8: 0x00000000 0x00000000
[*] Registers :
rax = 0x0000000000000000
rbx = 0x0000000000000006
rcx = 0x00007fff5fbff788
rdx = 0x0000000000000000
rdi = 0x0000000000000307
rsi = 0x0000000000000006
rbp = 0x00007fff5fbff7b0
rsp = 0x00007fff5fbff788
r8 = 0x0000000000000000
r9 = 0x00007fff782e90c8 atexit_mutex + 24
r10 = 0x0000000008000000
r11 = 0x0000000000000206
r12 = 0x0000000000000000
r13 = 0x0000000000000000
r14 = 0x00007fff76fb8000 libsystem_pthread.dylib`_thread
r15 = 0x0000000000000000
rip = 0x00007fff8f6a4f06 libsystem_kernel.dylib`__pthread_kill + 10
rflags = 0x0000000000000206
cs = 0x0000000000000007
fs = 0x0000000000000000
gs = 0x0000000000000000
[*] Jumping to :0x7fff8f6a4f10
(lisa)
**s**: thread step-in
(lisa)s
[*] Disassembly :
dyld`_dyld_start:
-> 0x7fff5fc0102d <+45>: lea r9, [rbp - 0x8]
0x7fff5fc01031 <+49>: call 0x7fff5fc01076 ; dyldbootstrap::start(macho_header const*, int, char const**, long, macho_header const*, unsigned long*)
[*] Stack :
0x7fff5fbff800: 0x00000000 0x00000000 0x00000000 0x00000000
0x7fff5fbff810: 0x00000000 0x00000000 0x00000001 0x00000000
0x7fff5fbff820: 0x5fbff9f8 0x00007fff
[*] Registers :
rax = 0x0000000000000000
rbx = 0x0000000000000000
rcx = 0x0000000000000000
rdx = 0x00007fff5fbff820
rdi = 0x0000000100000000
rsi = 0x0000000000000001
rbp = 0x00007fff5fbff810
rsp = 0x00007fff5fbff800
r8 = 0x00007fff5fc00000
r9 = 0x0000000000000000
r10 = 0x0000000000000000
r11 = 0x0000000000000000
r12 = 0x0000000000000000
r13 = 0x0000000000000000
r14 = 0x0000000000000000
r15 = 0x0000000000000000
rip = 0x00007fff5fc0102d dyld`_dyld_start + 45
rflags = 0x0000000000000246
cs = 0x000000000000002b
fs = 0x0000000000000000
gs = 0x0000000000000000
**si**: thread step-into
(lisa)si
[*] Disassembly :
dyld`_dyld_start:
-> 0x7fff5fc01031 <+49>: call 0x7fff5fc01076 ; dyldbootstrap::start(macho_header const*, int, char const**, long, macho_header const*, unsigned long*)
0x7fff5fc01036 <+54>: mov rdi, qword ptr [rbp - 0x8]
[*] Stack :
0x7fff5fbff800: 0x00000000 0x00000000 0x00000000 0x00000000
0x7fff5fbff810: 0x00000000 0x00000000 0x00000001 0x00000000
0x7fff5fbff820: 0x5fbff9f8 0x00007fff
[*] Registers :
rax = 0x0000000000000000
rbx = 0x0000000000000000
rcx = 0x0000000000000000
rdx = 0x00007fff5fbff820
rdi = 0x0000000100000000
rsi = 0x0000000000000001
rbp = 0x00007fff5fbff810
rsp = 0x00007fff5fbff800
r8 = 0x00007fff5fc00000
r9 = 0x00007fff5fbff808
r10 = 0x0000000000000000
r11 = 0x0000000000000000
r12 = 0x0000000000000000
r13 = 0x0000000000000000
r14 = 0x0000000000000000
r15 = 0x0000000000000000
rip = 0x00007fff5fc01031 dyld`_dyld_start + 49
rflags = 0x0000000000000246
cs = 0x000000000000002b
fs = 0x0000000000000000
gs = 0x0000000000000000
**so**: thread step-over
(lisa)so
[*] Disassembly :
dyld`_dyld_start:
-> 0x7fff5fc01036 <+54>: mov rdi, qword ptr [rbp - 0x8]
0x7fff5fc0103a <+58>: cmp rdi, 0x0
[*] Stack :
0x7fff5fbff800: 0x00000000 0x00000000 0x8e8765ad 0x00007fff
0x7fff5fbff810: 0x00000000 0x00000000 0x00000001 0x00000000
0x7fff5fbff820: 0x5fbff9f8 0x00007fff
[*] Registers :
rax = 0x0000000100000f80 abort`main
rbx = 0x0000000000000000
rcx = 0x00007fff8e8765ad libdyld.dylib`start + 1
rdx = 0x00007fff5fbff808
rdi = 0x00007fff5fc406a8 dyld`initialPoolContent + 2264
rsi = 0x0000000000000001
rbp = 0x00007fff5fbff810
rsp = 0x00007fff5fbff800
r8 = 0x00000000fffffffc
r9 = 0x00007fff782e90c8 atexit_mutex + 24
r10 = 0x00000000ffffffff
r11 = 0xffffffff00000000
r12 = 0x0000000000000000
r13 = 0x0000000000000000
r14 = 0x0000000000000000
r15 = 0x0000000000000000
rip = 0x00007fff5fc01036 dyld`_dyld_start + 54
rflags = 0x0000000000000202
cs = 0x000000000000002b
fs = 0x0000000000000000
gs = 0x0000000000000000
**sf**: thread step-in 'n' number of times
(lisa)sf 4
[*] Disassembly :
dyld`_dyld_start:
-> 0x7fff5fc0100a <+10>: sub rsp, 0x10
0x7fff5fc0100e <+14>: mov esi, dword ptr [rbp + 0x8]
[*] Stack :
0x7fff5fbff810: 0x00000000 0x00000000 0x00000001 0x00000000
0x7fff5fbff820: 0x5fbff9f8 0x00007fff 0x00000000 0x00000000
0x7fff5fbff830: 0x5fbffa34 0x00007fff
[*] Registers :
rax = 0x0000000000000000
rbx = 0x0000000000000000
rcx = 0x0000000000000000
rdx = 0x0000000000000000
rdi = 0x0000000100000000
rsi = 0x0000000000000000
rbp = 0x00007fff5fbff810
rsp = 0x00007fff5fbff810
r8 = 0x0000000000000000
r9 = 0x0000000000000000
r10 = 0x0000000000000000
r11 = 0x0000000000000000
r12 = 0x0000000000000000
r13 = 0x0000000000000000
r14 = 0x0000000000000000
r15 = 0x0000000000000000
rip = 0x00007fff5fc0100a dyld`_dyld_start + 10
rflags = 0x0000000000000202
cs = 0x000000000000002b
fs = 0x0000000000000000
gs = 0x0000000000000000
**dump**: Dump's Memory of the process in a given address range
(lisa)dump
Syntax: dump outfile 0x6080000fe680 0x6080000fe680+1000
(lisa)dump memorydump.bin 0x00007fff8e8765ad 0x00007fff8e8765ad+100
100 bytes written to 'memorydump.bin'
(lisa)
***rop***:
rop(ROPgadget) lets you search your gadgets on a binary. It supports several
file formats and architectures and uses the Capstone disassembler for
the search engine.
(lisa)rop
description:
ROPgadget lets you search your gadgets on a binary. It supports several
file formats and architectures and uses the Capstone disassembler for
the search engine.
formats supported:
- ELF
- PE
- Mach-O
- Raw
architectures supported:
- x86
- x86-64
- ARM
- ARM64
- MIPS
- PowerPC
- Sparc
epilog=examples:
rop --binary ./test-suite-binaries/elf-Linux-x86
rop --binary ./test-suite-binaries/elf-Linux-x86 --ropchain
rop --binary ./test-suite-binaries/elf-Linux-x86 --depth 3
rop --binary ./test-suite-binaries/elf-Linux-x86 --string "main"
rop --binary ./test-suite-binaries/elf-Linux-x86 --string "m..n"
rop --binary ./test-suite-binaries/elf-Linux-x86 --opcode c9c3
rop --binary ./test-suite-binaries/elf-Linux-x86 --only "mov|ret"
rop --binary ./test-suite-binaries/elf-Linux-x86 --only "mov|pop|xor|ret"
rop --binary ./test-suite-binaries/elf-Linux-x86 --filter "xchg|add|sub"
rop --binary ./test-suite-binaries/elf-Linux-x86 --norop --nosys
rop --binary ./test-suite-binaries/elf-Linux-x86 --range 0x08041000-0x08042000
rop --binary ./test-suite-binaries/elf-Linux-x86 --string main --range 0x080c9aaa-0x080c9aba
rop --binary ./test-suite-binaries/elf-Linux-x86 --memstr "/bin/sh"
rop --binary ./test-suite-binaries/elf-Linux-x86 --console
rop --binary ./test-suite-binaries/elf-Linux-x86 --badbytes "00|7f|42"
rop --binary ./test-suite-binaries/Linux_lib64.so --offset 0xdeadbeef00000000
rop --binary ./test-suite-binaries/elf-ARMv7-ls --depth 5
rop --binary ./test-suite-binaries/elf-ARM64-bash --depth 5
rop --binary ./test-suite-binaries/raw-x86.raw --rawArch=x86 --rawMode=32
(As of now, commiting exploitable command. Have to test the remaining code.)
You can test lisa.py against CrashWranglers's test cases
ant4g0nist$ cp lisa.py ~/lisa.py
ant4g0nist$ cp lldbinit ~/.lldbinit
ant4g0nist$ python test.py
Thanks:
- Mona.py : https://github.com/corelan/mona
- Crashwrangler : https://developer.apple.com/library/mac/technotes/tn2334/_index.html
- Metasploit : https://github.com/rapid7/metasploit-framework
- PEDA : https://github.com/longld/peda
- Phillips : https://www.phillips321.co.uk/2013/04/02/recreating-pattern_create-rb-in-python/
- Jonathan Salwan : http://shell-storm.org/shellcode/
TODO: add support for macho in ropmaker
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