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License: Other
Malware Behavior Analyzer
License: Other
I think a Dockerfile will be nice
Even nicer if we can pull the latest docker image of MBA from dockerhub :)
What do you guys think ?
dift_contaminate_memory_* functions have a while loop to process taint contaminate for each len_pt_max size.
But the base address addr never added in the while loop, so the taint contaminate will not work when len > len_pt_max.
https://github.com/GlacierW/MBA/commit/93ac6367739cba848e6f2c6a59bf21c958b85030#diff-1af4ba10d419d9b4c994b320c09e4e87R1022
while( len > 0 ) {
len_pt = (len > len_pt_max)? len_pt_max : len;
*((uint64_t*)&rec) |= ((0x00000000000000ff & tag) << 8);
*((uint64_t*)&rec) |= ((0x00000000ffffffff & len_pt) << 16);
dift_rec_enqueue( *((uint64_t*)&rec) );
dift_rec_enqueue( addr );
len -= len_pt;
}
The compilation of libqcow fails, due to the new feature of sub-component libcfile.
libcfile_support.c:742:2: error: #error Missing file remove function
#error Missing file remove function
^
make[2]: *** [libcfile_support.lo] Error 1
make[2]: Leaving directory `/tmp/MBA/ext/tsk/sleuthkit/libqcow/libcfile'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/tmp/MBA/ext/tsk/sleuthkit/libqcow'
make: *** [ext/tsk/sleuthkit/libqcow/libqcow/.libs/libqcow.a] Error 2
Thanks for the great project. I wonder is it possible to support Windows 32-bit guest OS? What should I do if I want to implement it?
Here is the code,
static int is_valid_mem_range( uint64_t addr, uint64_t len ) {
if( phys_ram_size - addr < len )
return false;
return true;
}
When addr is larger than phys_ram_size,
the function returns true, whether it should return false.
There is a same problem in is_valid_disk_range() too.
Here is the structure of the code,
int dift_contaminate_memory_or( ..., uint64_t len, ... ) {
...
while( len > 0 ) {
...
}
return (len == 0)? DIFT_SUCCESS : DIFT_ERR_FAIL;
}
The check is not needed, because len must be 0 after the program leaves the loop.
DIFT instrument the QEMU TCG host code generation to call DIFT pre-generated binary code on demands. However, the call instruction used in the instrumentation only supports a 32 bits value as the relative offset. Thereby, when the offset exceed 4G, a segfault fatal error occurs.
I was about to use mba_wexec cmd.exe
to check the Dekstop in the guest OS (Win10) after I imported an img to the guest OS by using the following command :
mba_wimpo /home/bruce30262/MBA-workspace/test-sample/789.PNG C:\Users\dsns\Desktop\789.PNG
I was expecting MBA will give me a shell to interact with the guest OS.
It print out the following error message:
The connection to the agent server is broken while reading
Then the whole sandbox was stuck at the (agent-exec)
prompt. The only thing I can do is kill the MBA process and restart the whole sandbox.
$ cat run_mba.sh
#!/bin/bash
$HOME/MBA/x86_64-softmmu/qemu-system-x86_64 -vnc :2 -monitor stdio -m 2048 -netdev user,id=mynet -device rtl8139,netdev=mynet $HOME/MBA-workspace/win10.qcow2 -loadvm ready
$ ./run_mba.sh
QEMU 2.3.50 monitor - type 'help' for more information
(qemu) mba_load_structures type_definition
(qemu) KPCR found fffff801a9173000
(qemu) mba_load_structures network_type_definition
(qemu) mba_load_global_variable global_type_definition
(qemu) mba_winit
Agent thread starting
(qemu) mba_wexec cmd.exe
(agent-exec) Microsoft Windows [Version 10.0.10240]
(c) 2015 Microsoft Corporation. All rights reserved.
C:\Users\dsns>
(agent-exec)
C:\Users\dsns>dir
(agent-exec) dir
Volume in drive C has no label.
Volume Serial Number is 3E03-29AC
Directory of C:\Users\dsns
2016/11/12 �W�06:09 <DIR> .
2016/11/12 �W�06:09 <DIR> ..
2016/06/30 �W�04:19 <DIR> Contacts
2016/06/30 �W�04:19 <DIR> Desktop
2016/07/14 �W�04:52 <DIR> Documents
2016/06/30 �W�04:19 <DIR> Downloads
2016/06/30 �W�04:19 <DIR> Favorites
2016/06/30 �W�04:19 <DIR> Links
2016/06/30 �W�04:19 <DIR> Music
2016/11/05 �W�06:10 <DIR> OneDrive
2016/06/30 �W�04:19 <DIR> Pictures
2016/06/30 �W�04:19 <DIR> Saved Games
2016/06/30 �W�04:19 <DIR> Searches
2016/06/30 �W�04:19 <DIR> Videos
2016/11/12 �W�06:07 159,454 win_agent.exe
1 File(s) 159,454 bytes
14 Dir(s) 4,785,410,048 bytes free
C:\Users\dsns>
(agent-exec)
C:\Users\dsns>exit
(agent-exec) exit
System Receive : exec cmd.exe
(qemu) mba_wimpo /home/bruce30262/MBA-workspace/test-sample/789.PNG C:\Users\dsns\Desktop\789.PNG
(qemu) System Receive : impo C:\Users\dsns\Desktop\789.PNG
(qemu) mba_wexec cmd.exe
(agent-exec) The connection to the agent server is broken while reading
(agent-exec) exit
(agent-exec)
(agent-exec)
(agent-exec) ./run_mba.sh: line 2: 3192 Killed $HOME/MBA/x86_64-softmmu/qemu-system-x86_64 -vnc :2 -monitor stdio -m 2048 -netdev user,id=mynet -device rtl8139,netdev=mynet $HOME/MBA-work
space/win10.qcow2 -loadvm ready
I've used RealVNC to make sure that the image has been imported to the guest OS:
I'm running a Linux VM (Ubuntu 14.04 64 bit) on a Windows 10 x64 OS
$ uname -a
Linux ubuntu 4.4.0-31-generic #50~14.04.1-Ubuntu SMP Wed Jul 13 01:07:32 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.5 LTS
Release: 14.04
Codename: trusty
Inside the VM I run the MBA sandbox, which was built with the latest version of source code:
$ git clone https://github.com/GlacierW/MBA.git
$ ./configure --enable-mba-all --target-list=x86_64-softmmu
$ make -j8
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