ios_vmtools
Virtual Memory Dumping Tools For iOS
Building
make
The makefile is set up to use the iOS 6.0sdk in the default location on OS X. If this doesn't match your setup, you'll need to tweak it a bit (or a lot if you're on windows or linux).
Usage
iPod:~ root# ./vmregions -h
[-] Error: Invalid pid argument: -h
Usage: ./vmregions <PID>
iPod:~ root# ./vmdump -h
./vmdump: illegal option -- h
usage: vmdump [rs:e:c:?] [pid]
-r raw dump on stdout (instead of hexdump)
-s start-address (required)
-e end-address (must be greater than -s)
-c byte-count
Usage Example
Step 1 Pick a process:
iPod:~ root# cat
^Z
[1]+ Stopped(SIGTSTP) cat
iPod:~ root# ps |grep cat
501 ttys002 0:00.01 cat
Step 2 list its regions in memory with vmregions:
iPod:~ root# ./vmregions 501
task_for_pid RC 0 - Task: 4355
[ idx] address-range size perm/max behavior sharing
[ 0] 00001000-00014000 76K r-x/r-x COPY private DEFAULT
[ 1] 00018000-00019000 4K r--/rwx COPY private DEFAULT
[ 2] 00019000-0001a000 4K rw-/rwx COPY private DEFAULT
[ 3] 0001a000-0001b000 4K ---/rwx COPY private DEFAULT
[ 4] 0001b000-00025000 40K rw-/rwx COPY private DEFAULT
[ 5] 00025000-00026000 4K ---/rwx COPY private DEFAULT
[ 6] 00026000-00027000 4K ---/rwx COPY private DEFAULT
[ 7] 00027000-00031000 40K rw-/rwx COPY private DEFAULT
[ 8] 00031000-00032000 4K ---/rwx COPY private DEFAULT
[ 9] 00032000-00033000 4K r--/rwx COPY private DEFAULT
[ 10] 00033000-00034000 4K rw-/rwx COPY private DEFAULT
[ 11] 00034000-00045000 68K rw-/rwx COPY private DEFAULT
[ 12] 00045000-00046000 4K rw-/rwx COPY private DEFAULT
[ 13] 00100000-00200000 1024K rw-/rwx COPY private DEFAULT
[ 14] 00800000-01000000 8192K rw-/rwx COPY private DEFAULT
...
[ 31] 3b200000-40000000 79872K r--/rwx SHARE private DEFAULT
Found 32 regions
Step 3 dump some memory!. (in this case the __TEXT,__text segment):
iPod:~ root# ./vmdump -s 0x1000 -e 0x14000 501|head -20
[+] task_for_pid for pid: 501 returned Task: 4355
[+] dumping memory from 0x1000 to 0x14000
00001000: CE FA ED FE 0C 00 00 00 00 00 00 00 02 00 00 00 |................|
00001010: 0E 00 00 00 E0 05 00 00 85 00 00 00 01 00 00 00 |................|
00001020: 38 00 00 00 5F 5F 50 41 47 45 5A 45 52 4F 00 00 |8...__PAGEZERO..|
00001030: 00 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00 |................|
00001040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00001050: 00 00 00 00 01 00 00 00 48 01 00 00 5F 5F 54 45 |........H...__TE|
00001060: 58 54 00 00 00 00 00 00 00 00 00 00 00 10 00 00 |XT..............|
00001070: 00 30 01 00 00 00 00 00 00 30 01 00 05 00 00 00 |.0.......0......|
00001080: 05 00 00 00 04 00 00 00 00 00 00 00 5F 5F 74 65 |............__te|
00001090: 78 74 00 00 00 00 00 00 00 00 00 00 5F 5F 54 45 |xt..........__TE|
000010a0: 58 54 00 00 00 00 00 00 00 00 00 00 00 20 00 00 |XT........... ..|
000010b0: 04 FE 00 00 00 10 00 00 04 00 00 00 00 00 00 00 |................|
000010c0: 00 00 00 00 00 04 00 80 00 00 00 00 00 00 00 00 |................|
000010d0: 5F 5F 73 79 6D 62 6F 6C 5F 73 74 75 62 34 00 00 |__symbol_stub4..|
000010e0: 5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00 |__TEXT..........|
000010f0: 04 1E 01 00 B4 03 00 00 04 0E 01 00 02 00 00 00 |................|
00001100: 00 00 00 00 00 00 00 00 08 04 00 80 00 00 00 00 |................|
00001110: 0C 00 00 00 5F 5F 63 73 74 72 69 6E 67 00 00 00 |....__cstring...|
00001120: 00 00 00 00 5F 5F 54 45 58 54 00 00 00 00 00 00 |....__TEXT......|
00001130: 00 00 00 00 B8 21 01 00 22 0D 00 00 B8 11 01 00 |.....!..".......|
...
License
Copyright (c) 2012 Eric Monti
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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