joyce8/EMBER2024-capa huggingface dataset:
Function at 0x410990
Capabilities:
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
lea ecx, [ebp - 8]
push ecx
xor eax, eax
push 1
push eax
mov word [esi], ax
mov eax, dword [ebp + 8]
push edx
push eax
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0x42a1f2
mov edx, dword [ebp + 0xc]
push ebx
push edi
mov edi, dword [ebp + 0x10]
lea ecx, [ebp - 4]
push ecx
push esi
push eax
push eax
mov eax, dword [ebp - 8]
push edx
add edi, edi
push eax
mov dword [ebp - 4], edi
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
test eax, eax
jne 0x410a03
mov eax, dword [ebp - 4]
shr eax, 1
mov dword [ebp - 4], eax
cmp eax, dword [ebp + 0x10]
jae 0x42a1f8
xor ecx, ecx
mov word [esi + eax*2], cx
mov eax, dword [ebp - 8]
push eax
mov bl, 1
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
pop edi
mov al, bl
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp - 8]
push eax
xor bl, bl
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
pop edi
mov al, bl
pop ebx
mov esp, ebp
pop ebp
ret
xor al, al
mov esp, ebp
pop ebp
ret
xor edx, edx
mov word [edi + esi - 2], dx
jmp 0x4109ef

Function at 0x41b328
Capabilities:
Terminate process

Disassembly:
cmp ecx, dword [0x4a1de0]
jne 0x41b332
repz ret
jmp fcn.004262f6
Function at 0x42448c
Capabilities:
Link many functions at runtime

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
sub esp, 0x24
mov eax, dword [0x4a1de0]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
mov dword [ebp - 0x20], eax
mov eax, dword [ebp + 0xc]
push esi
push edi
mov dword [ebp - 0x1c], eax
call fcn.00418bec
and dword [ebp - 0x14], 0
cmp dword [0x4a823c], 0
mov dword [ebp - 0x18], eax
jne 0x42453f
push str.USER32.DLL
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov ebx, eax
test ebx, ebx
je 0x4245e7
mov edi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push 0x4936e8
push ebx
call edi
test eax, eax
je 0x4245e7
mov esi, dword [section..data]
push eax
call esi
push 0x4936d8
push ebx
mov dword [0x4a823c], eax
call edi
push eax
call esi
push str.GetLastActivePopup
push ebx
mov dword [0x4a8240], eax
call edi
push eax
call esi
push str.GetUserObjectInformationW
push ebx
mov dword [0x4a8244], eax
call edi
push eax
call esi
mov dword [0x4a824c], eax
test eax, eax
je 0x42453f
push 0x493690
push ebx
call edi
push eax
call esi
mov dword [0x4a8248], eax
mov eax, dword [0x4a8248]
mov ecx, dword [ebp - 0x18]
mov esi, dword [0x4a1004]
cmp eax, ecx
je 0x424598
cmp dword [0x4a824c], ecx
je 0x424598
push eax
call esi
push dword [0x4a824c]
mov edi, eax
call esi
mov ebx, eax
test edi, edi
je 0x424598
test ebx, ebx
je 0x424598
call edi
test eax, eax
je 0x42458f
lea ecx, [ebp - 0x24]
push ecx
push 0xc
lea ecx, [ebp - 0x10]
push ecx
push 1
push eax
call ebx
test eax, eax
je 0x42458f
test byte [ebp - 8], 1
jne 0x424598
or dword [ebp + 0x10], 0x200000
jmp 0x4245cb
mov eax, dword [0x4a8240]
cmp eax, dword [ebp - 0x18]
je 0x4245cb
push eax
call esi
test eax, eax
je 0x4245cb
call eax
mov dword [ebp - 0x14], eax
test eax, eax
je 0x4245cb
mov eax, dword [0x4a8244]
cmp eax, dword [ebp - 0x18]
je 0x4245cb
push eax
call esi
test eax, eax
je 0x4245cb
push dword [ebp - 0x14]
call eax
mov dword [ebp - 0x14], eax
push dword [0x4a823c]
call esi
test eax, eax
je 0x4245e7
push dword [ebp + 0x10]
push dword [ebp - 0x1c]
push dword [ebp - 0x20]
push dword [ebp - 0x14]
call eax
jmp 0x4245e9
xor eax, eax
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0041b328
leave
ret
Function at 0x434389
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
sub esp, 0x24
cmp word [eax], 0
push ebx
push esi
push edi
je 0x4344aa
push 0
push 0
push 3
push 0
push 0
push accept
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov edi, eax
cmp edi, 0xffffffff
jne 0x4343c7
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov ebx, eax
push ebx
push 2
call dword [sym.imp.KERNEL32.dll_GlobalAlloc]
mov esi, eax
test esi, esi
je 0x4343bc
push esi
call dword [sym.imp.KERNEL32.dll_GlobalLock]
push 0
lea ecx, [ebp - 0xc]
push ecx
push ebx
push eax
push edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
push esi
call dword [sym.imp.KERNEL32.dll_GlobalUnlock]
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
lea edx, [ebp - 8]
push edx
push 1
push esi
call dword [sym.imp.ole32.dll_CreateStreamOnHGlobal]
mov ecx, dword [ebp - 8]
lea eax, [ebp - 4]
push eax
push 0x487960
push 0
push 0
push ecx
mov dword [ebp - 4], 0
call dword [sym.imp.OLEAUT32.dll_OleCreatePictureIndirect]
mov eax, dword [ebp - 8]
mov edx, dword [eax]
push eax
mov eax, dword [edx + 8]
call eax
push esi
call dword [sym.imp.KERNEL32.dll_GlobalFree]
mov eax, dword [ebp - 4]
test eax, eax
je 0x4343bc
mov ecx, dword [eax]
lea edx, [ebp + 0xc]
push edx
push eax
mov eax, dword [ecx + 0xc]
call eax
mov edx, dword [ebp + 0xc]
lea ecx, [ebp - 0x24]
push ecx
push 0x18
push edx
call dword [sym.imp.GDI32.dll_GetObjectW]
mov ecx, dword [ebp + 0x10]
cmp dword [ecx], 0
mov eax, dword [ebp + 0x14]
jne 0x434483
cmp dword [eax], 0
jne 0x434483
mov edx, dword [ebp - 0x20]
mov dword [ecx], edx
mov edx, dword [ebp - 0x1c]
mov dword [eax], edx
mov eax, dword [eax]
mov ecx, dword [ecx]
mov edx, dword [ebp + 0xc]
push 0x2000
push eax
push ecx
push 0
push edx
call dword [sym.imp.USER32.dll_CopyImage]
mov dword [ebp + 0xc], eax
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
mov edx, dword [ecx + 8]
push eax
call edx
jmp 0x4344b1
mov dword [ebp + 0xc], 0
mov esi, dword [ebp + 8]
mov eax, dword [esi + 0x60]
test eax, eax
je 0x4344c2
push eax
call dword [sym.imp.GDI32.dll_DeleteObject]
mov eax, dword [ebp + 0xc]
push eax
push 0
mov dword [esi + 0x60], eax
mov esi, dword [esi]
push 0x172
push esi
call dword [sym.imp.USER32.dll_SendMessageW]
pop edi
mov eax, esi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
Function at 0x4344e4
Capabilities:
Hide graphical window

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0x18]
mov eax, dword [ebp + 0xc]
push esi
or ecx, 0x50000000
push edi
mov edi, dword [ebp + 8]
test eax, 0x80000
je 0x434504
and eax, 0xfff7ffff
mov edx, dword [0x4b9774]
push 0
push edx
mov edx, dword [ebp + 0x2c]
push edx
mov edx, dword [edi]
push edx
mov edx, dword [ebp + 0x28]
push edx
mov edx, dword [ebp + 0x24]
push edx
mov edx, dword [ebp + 0x20]
push edx
mov edx, dword [ebp + 0x1c]
push edx
mov edx, dword [ebp + 0x10]
push ecx
mov ecx, dword [ebp + 0x14]
push ecx
push edx
push eax
call dword [sym.imp.USER32.dll_CreateWindowExW]
mov esi, eax
test esi, esi
je 0x43456f
cmp byte [ebp + 0x30], 0
je 0x434554
push 0
push 0x11
call dword [sym.imp.GDI32.dll_GetStockObject]
push eax
push 0x30
push esi
call dword [sym.imp.USER32.dll_SendMessageW]
cmp dword [edi + 0x190], 0
jl 0x43456f
cmp byte [edi + 0x19c], 0
je 0x43456f
push 0
push esi
call dword [sym.imp.USER32.dll_ShowWindow]
pop edi
mov eax, esi
pop esi
pop ebp
ret 0x2c
Function at 0x434dfb
Capabilities:
Create process on windows

Disassembly:
push ebp
mov ebp, esp
push 0x44
push 0
push 0x4ba658
call fcn.004129c0
push 0x10
push 0
push 0x4ba644
call fcn.004129c0
mov ecx, dword [ebp + 8]
add esp, 0x18
push 0x4ba644
push 0x4ba658
push 0
push 0
push 0x20
push 0
push 0
push 0
push ecx
mov eax, 1
push 0
mov dword [0x4ba658], 0x44
mov dword [0x4ba684], 1
mov word [0x4ba688], ax
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
je 0x434e6f
mov edx, dword [0x4ba644]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop ebp
ret 4
Function at 0x43529c
Capabilities:
Capture screenshot

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x44
push ebx
push esi
mov esi, dword [ebp + 0x10]
mov eax, dword [esi + 8]
mov ecx, dword [esi]
mov edx, dword [esi + 4]
cmp eax, ecx
push edi
mov edi, dword [esi + 0xc]
setl byte [ebp + 0x13]
cmp edi, edx
setl byte [ebp - 1]
cmp byte [ebp + 0x13], 0
je 0x4352ca
mov dword [esi], eax
mov dword [esi + 8], ecx
cmp byte [ebp - 1], 0
je 0x4352d6
mov dword [esi + 4], edi
mov dword [esi + 0xc], edx
mov eax, dword [ebp + 0xc]
mov edx, dword [ebp + 8]
push eax
mov eax, dword [edx + 0x104]
lea ecx, [ebp - 0x18]
push ecx
push eax
call fcn.00435250
mov eax, dword [ebp - 0x18]
add dword [esi], eax
add dword [esi + 8], eax
mov ecx, dword [ebp - 0x14]
mov eax, dword [esi + 8]
add dword [esi + 0xc], ecx
mov ebx, dword [esi + 0xc]
sub eax, dword [esi]
add dword [esi + 4], ecx
sub ebx, dword [esi + 4]
inc eax
push 0
mov dword [ebp + 0xc], eax
inc ebx
call dword [sym.imp.USER32.dll_GetDC]
mov ecx, dword [ebp + 0xc]
push ebx
mov edi, eax
push ecx
push edi
mov dword [ebp - 0xc], edi
call dword [sym.imp.GDI32.dll_CreateCompatibleBitmap]
push edi
mov dword [ebp - 8], eax
call dword [sym.imp.GDI32.dll_CreateCompatibleDC]
mov edx, dword [ebp - 8]
mov edi, eax
push edx
push edi
call dword [sym.imp.GDI32.dll_SelectObject]
mov dl, byte [ebp - 1]
mov dword [ebp - 0x10], eax
mov ecx, ebx
test dl, dl
je 0x43534c
neg ecx
cmp byte [ebp + 0x13], 0
mov eax, dword [ebp + 0xc]
je 0x435357
neg eax
test dl, dl
je 0x435360
mov edx, dword [esi + 0xc]
jmp 0x435363
mov edx, dword [esi + 4]
cmp byte [ebp + 0x13], 0
mov dword [ebp + 8], edx
je 0x435382
mov esi, dword [esi + 8]
jmp 0x435384
mov ecx, dword [ebp + 0x10]
push ecx
call fcn.00411076
xor eax, eax
mov esp, ebp
pop ebp
ret 0x10
mov esi, dword [esi]
mov edx, dword [ebp + 0xc]
push 0xcc0020
push ecx
mov ecx, dword [ebp - 0xc]
push eax
mov eax, dword [ebp + 8]
push eax
push esi
push ecx
push ebx
push edx
push 0
push 0
push edi
call dword [sym.imp.GDI32.dll_StretchBlt]
mov esi, dword [ebp - 8]
mov eax, dword [ebp + 0xc]
push 0
mov ecx, ebx
neg ecx
mov dword [ebp - 0x3c], ecx
lea ecx, [ebp - 0x44]
push ecx
push 0
push 0
push 0
push esi
push edi
mov dword [ebp - 0x44], 0x28
mov dword [ebp - 0x40], eax
mov dword [ebp - 0x38], 0x200001
mov dword [ebp - 0x34], 0
call dword [sym.imp.GDI32.dll_GetDIBits]
mov eax, dword [ebp - 0x30]
mov edx, dword [ebp + 0x14]
push eax
mov dword [edx], eax
call fcn.00412a89
add esp, 4
push 0
lea ecx, [ebp - 0x44]
push ecx
push eax
push ebx
push 0
push esi
push edi
mov dword [ebp + 0x10], eax
call dword [sym.imp.GDI32.dll_GetDIBits]
mov edx, dword [ebp - 0x10]
push edx
push edi
mov ebx, eax
call dword [sym.imp.GDI32.dll_SelectObject]
push esi
call dword [sym.imp.GDI32.dll_DeleteObject]
push edi
call dword [sym.imp.GDI32.dll_DeleteDC]
mov eax, dword [ebp - 0xc]
push eax
push 0
call dword [sym.imp.USER32.dll_ReleaseDC]
pop edi
pop esi
test ebx, ebx
pop ebx
je 0x435371
mov eax, dword [ebp + 0x10]
mov esp, ebp
pop ebp
ret 0x10
Function at 0x43543e
Capabilities:
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 8]
mov edx, dword [ebp + 0xc]
push ebx
push esi
mov esi, dword [ebp + 0x14]
push edi
mov edi, dword [ebp + 0x10]
lea ebx, [ecx + edx]
mov edx, edi
imul edx, esi
add edx, edx
add esi, esi
or eax, 0xffffffff
add edx, edx
lea edi, [ecx + edi*4]
add esi, esi
mov dword [ebp + 8], edi
mov dword [ebp + 0x10], esi
mov dword [ebp + 0x14], ecx
movzx edi, byte [ecx + 2]
mov esi, eax
and esi, 0xff
xor esi, edi
movzx edi, byte [ecx + 1]
shr eax, 8
xor eax, dword [esi*4 + 0x4a2c98]
mov esi, eax
and esi, 0xff
xor esi, edi
movzx edi, byte [ecx]
shr eax, 8
xor eax, dword [esi*4 + 0x4a2c98]
add ecx, edx
mov esi, eax
and esi, 0xff
xor esi, edi
shr eax, 8
xor eax, dword [esi*4 + 0x4a2c98]
mov esi, dword [ebp + 0x14]
cmp ecx, ebx
jb 0x4354c7
add esi, dword [ebp + 0x10]
mov dword [ebp + 0x14], esi
mov ecx, esi
cmp esi, dword [ebp + 8]
jb 0x43546f
not eax
mov dword [ebp + 0x14], eax
fild dword [ebp + 0x14]
test eax, eax
jns 0x4354de
fadd qword [0x49d918]
pop edi
pop esi
pop ebx
pop ebp
ret 0x10
Function at 0x43596c
Capabilities:
Enumerate files on windows
Enumerate files recursively
Get file attributes
Set current directory
Set file attributes

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x254
push ebx
push esi
push edi
mov edi, dword [sym.imp.KERNEL32.dll_FindFirstFileW]
lea eax, [esp + 0x10]
mov dword [esp + 0xc], ecx
mov ecx, dword [ebp + 8]
push eax
push ecx
xor bl, bl
call edi
mov esi, eax
cmp esi, 0xffffffff
je 0x4359ff
lea ecx, [ecx]
lea edx, [esp + 0x3c]
push 0x495738
push edx
call fcn.00413366
add esp, 8
test eax, eax
je 0x4359ef
lea eax, [esp + 0x3c]
push 0x49b778
push eax
call fcn.00413366
add esp, 8
test eax, eax
je 0x4359ef
lea ecx, [esp + 0x3c]
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
or eax, dword [ebp + 0xc]
mov edx, dword [ebp + 0x10]
not edx
and eax, edx
push eax
lea eax, [esp + 0x40]
push eax
call dword [sym.imp.KERNEL32.dll_SetFileAttributesW]
test eax, eax
je 0x435a19
mov bl, 1
lea ecx, [esp + 0x10]
push ecx
push esi
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
test eax, eax
jne 0x43599c
push esi
mov esi, dword [sym.imp.KERNEL32.dll_FindClose]
call esi
cmp byte [ebp + 0x14], 0
jne 0x435a2b
mov al, bl
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
push esi
call dword [sym.imp.KERNEL32.dll_FindClose]
xor al, al
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
lea edx, [esp + 0x10]
push edx
push 0x49b770
call edi
mov edi, eax
cmp edi, 0xffffffff
je 0x435ab2
mov ebx, dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
test byte [esp + 0x10], 0x10
je 0x435aa2
lea eax, [esp + 0x3c]
push 0x495738
push eax
call fcn.00413366
add esp, 8
test eax, eax
je 0x435aa2
lea ecx, [esp + 0x3c]
push 0x49b778
push ecx
call fcn.00413366
add esp, 8
test eax, eax
je 0x435aa2
lea edx, [esp + 0x3c]
push edx
call ebx
mov eax, dword [ebp + 0x14]
mov ecx, dword [ebp + 0x10]
mov edx, dword [ebp + 0xc]
push eax
mov eax, dword [ebp + 8]
push ecx
mov ecx, dword [esp + 0x14]
push edx
push eax
call fcn.0043596c
test al, al
je 0x435ac0
push 0x49b778
call ebx
lea ecx, [esp + 0x10]
push ecx
push edi
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
test eax, eax
jne 0x435a44
push edi
call esi
mov al, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x10
push edi
call esi
pop edi
pop esi
xor al, al
pop ebx
mov esp, ebp
pop ebp
ret 0x10
Function at 0x435ace
Capabilities:
Create directory
Delete directory

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 8]
sub esp, 0xa28
push ebx
mov ebx, dword [ebp + 0xc]
lea eax, [ebp + 0xc]
push eax
lea ecx, [ebp - 0xa28]
push ecx
push 0x104
push edx
call dword [sym.imp.KERNEL32.dll_GetFullPathNameW]
test eax, eax
jne 0x435b00
pop ebx
mov esp, ebp
pop ebp
ret 0xc
push edi
lea eax, [ebp - 0xa28]
push eax
lea ecx, [ebp - 0x208]
push 0x49b958
push ecx
call fcn.004134c5
lea edx, [ebp - 0x208]
push edx
call fcn.00412941
mov edi, eax
add esp, 0x10
cmp word [ebp + edi*2 - 0x20a], 0x5c
jne 0x435b4a
cmp word [ebp + edi*2 - 0x20c], 0x3a
je 0x435b4a
xor eax, eax
mov word [ebp + edi*2 - 0x20a], ax
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
test eax, eax
jne 0x435b64
cmp byte [ebp + 0x10], al
jne 0x435b64
pop edi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
push esi
push 0
push 0x2200000
push 3
push 0
push 0
push 0x40000000
push ebx
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
je 0x435c17
push 0x14
lea ecx, [ebp - 0x820]
push 0
push ecx
call fcn.004129c0
lea edx, [edi + edi]
mov word [ebp - 0x816], dx
mov eax, dword [ebp - 0x816]
push 0x104
lea ecx, [ebp - 0x208]
push ecx
lea edx, [ebp - 0x810]
add eax, 2
push edx
mov dword [ebp - 0x820], 0xa0000003
mov word [ebp - 0x814], ax
call fcn.004131e4
mov eax, dword [ebp - 0x816]
add esp, 0x18
push 0
add eax, 0xc
lea ecx, [ebp + 8]
push ecx
push 0
movzx edx, ax
push 0
add edx, 8
push edx
mov word [ebp - 0x81c], ax
lea eax, [ebp - 0x820]
push eax
push 0x900a4
push esi
call dword [sym.imp.KERNEL32.dll_DeviceIoControl]
push esi
test eax, eax
jne 0x435c29
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
call dword [sym.imp.KERNEL32.dll_RemoveDirectoryW]
pop esi
pop edi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret 0xc
call dword [sym.imp.KERNEL32.dll_CloseHandle]
pop esi
pop edi
mov eax, 1
pop ebx
mov esp, ebp
pop ebp
ret 0xc

Function at 0x435ee1
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
mov eax, dword [esi + 0x464]
test eax, eax
je 0x435ef9
cmp eax, 0x10000
jne 0x435f1d
mov eax, dword [esi + 0x1c]
mov ecx, dword [esi + 0x45c]
push eax
push 0x10000
push 1
push ecx
call fcn.0041527b
add esp, 0x10
mov dword [esi + 0x464], 0
mov ecx, dword [esi + 0x464]
mov edx, dword [esi + 0x45c]
mov al, byte [ecx + edx]
inc ecx
mov dword [esi + 0x464], ecx
pop esi
pop ebp
ret 4

Function at 0x435f38
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
mov eax, dword [esi + 0x460]
test eax, eax
je 0x435f69
mov ecx, dword [esi + 0x20]
mov edx, dword [esi + 0x458]
push ecx
push eax
push 1
push edx
call fcn.004144d6
add esp, 0x10
mov dword [esi + 0x460], 0
pop esi
pop ebp
ret 4
Function at 0x435f6e
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
mov dl, byte [ebp + 0xc]
push esi
mov esi, dword [ebp + 8]
mov ecx, dword [esi + 0x460]
mov eax, dword [esi + 0x458]
mov byte [eax + ecx], dl
inc dword [esi + 0x460]
cmp dword [esi + 0x460], 0x10000
jne 0x435fbd
mov eax, dword [esi + 0x20]
mov ecx, dword [esi + 0x458]
push eax
push 0x10000
push 1
push ecx
call fcn.004144d6
add esp, 0x10
mov dword [esi + 0x460], 0
pop esi
pop ebp
ret 8

Function at 0x43606e
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
push esi
mov esi, dword [ebp + 8]
cmp dword [esi + 0x14], 1
jne 0x436095
mov eax, dword [esi + 0xc]
add eax, dword [esi + 4]
push 8
push eax
lea ecx, [ebp - 8]
push ecx
call fcn.004125e0
add esp, 0xc
jmp 0x4360a9
mov edx, dword [esi + 0x1c]
push edx
push 8
lea eax, [ebp - 8]
push 1
push eax
call fcn.0041527b
add esp, 0x10
movzx ecx, byte [ebp - 4]
movzx edx, byte [ebp - 3]
movzx eax, byte [ebp - 2]
add dword [esi + 0xc], 8
shl ecx, 8
or ecx, edx
movzx edx, byte [ebp - 1]
shl ecx, 8
or ecx, eax
mov eax, dword [ebp + 0xc]
shl ecx, 8
or ecx, edx
mov dword [eax], ecx
lea ecx, [ebp - 8]
push str.AUCN
push ecx
mov byte [ebp - 4], 0
call fcn.004152a0
add esp, 8
neg eax
sbb eax, eax
neg eax
pop esi
mov esp, ebp
pop ebp
ret 8

Function at 0x43614b
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov dword [0x4b8628], eax
mov edx, 1
mov eax, 0x4b8628
push edi
mov ecx, dword [eax]
mov edi, ecx
shr edi, 0x1e
xor edi, ecx
imul edi, edi, 0x6c078965
add edi, edx
mov dword [eax + 4], edi
add eax, 4
inc edx
cmp eax, 0x4b8fe4
jl 0x436161
mov dword [0x4a3104], 1
mov dword [0x4b8ff8], 1
pop edi
pop ebp
ret

Function at 0x43707d
Capabilities:
Check for time delay via queryperformancecounter

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
push esi
mov esi, dword [ebp + 8]
push edi
test esi, esi
js 0x437119
jne 0x4370a0
push 0
call dword [sym.imp.KERNEL32.dll_Sleep]
pop edi
pop esi
mov esp, ebp
pop ebp
ret
cmp esi, 0xf
jae 0x437112
mov edi, dword [sym.imp.KERNEL32.dll_QueryPerformanceCounter]
lea eax, [ebp - 0x18]
push eax
call edi
test eax, eax
je 0x437112
lea ecx, [ebp - 0x28]
push ecx
call dword [sym.imp.KERNEL32.dll_QueryPerformanceFrequency]
push 0
call dword [sym.imp.KERNEL32.dll_Sleep]
lea edx, [ebp - 0x10]
push edx
call edi
fnstcw word [ebp + 0xa]
mov eax, dword [ebp - 0x10]
sub eax, dword [ebp - 0x18]
mov ecx, dword [ebp - 0xc]
sbb ecx, dword [ebp - 0x14]
mov dword [ebp - 0x20], eax
mov dword [ebp - 0x1c], ecx
fild qword [ebp - 0x20]
movzx eax, word [ebp + 0xa]
fild qword [ebp - 0x28]
or eax, 0xc00
mov dword [ebp - 4], eax
fdivp st(1)
fmul qword [0x49d940]
fldcw word [ebp - 4]
fistp qword [ebp - 8]
mov edx, dword [ebp - 8]
fldcw word [ebp + 0xa]
cmp edx, esi
jb 0x4370bf
pop edi
pop esi
mov esp, ebp
pop ebp
ret
push esi
call dword [sym.imp.KERNEL32.dll_Sleep]
pop edi
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x437299
Capabilities:
Get hostname
Initialize winsock library
Resolve dns

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x298
push esi
mov esi, dword [ebp + 8]
push edi
mov edi, dword [ebp + 0xc]
lea eax, [ebp - 0x298]
push eax
push 0x101
call dword [sym.imp.WSOCK32.dll_WSAStartup]
test eax, eax
jne 0x437376
push 0x100
lea ecx, [ebp - 0x108]
push ecx
call dword [sym.imp.WSOCK32.dll_gethostname]
lea edx, [ebp - 0x108]
push edx
call dword [sym.imp.WSOCK32.dll_gethostbyname]
test eax, eax
je 0x437376
mov eax, dword [eax + 0xc]
xor edx, edx
cmp dword [eax], edx
je 0x437302
mov ecx, eax
lea ecx, [ecx]
add ecx, 4
inc edx
cmp dword [ecx], 0
jne 0x4372f9
cmp esi, edx
jle 0x437320
push str.0.0.0.0
push edi
call fcn.00412998
add esp, 8
call dword [sym.imp.WSOCK32.dll_WSACleanup]
pop edi
pop esi
mov esp, ebp
pop ebp
ret
mov eax, dword [eax + esi*4 - 4]
push 4
push eax
lea ecx, [ebp - 4]
push ecx
call fcn.004125e0
mov edx, dword [ebp - 4]
add esp, 0xc
push edx
call dword [sym.imp.WSOCK32.dll_inet_ntoa]
push eax
lea eax, [ebp - 0x108]
push eax
call fcn.00413870
lea ecx, [ebp - 0x108]
push 0xffffffffffffffff
push ecx
call fcn.00436875
mov esi, eax
push esi
push edi
call fcn.00412998
push esi
call fcn.00411076
add esp, 0x1c
call dword [sym.imp.WSOCK32.dll_WSACleanup]
pop edi
pop esi
mov esp, ebp
pop ebp
ret
push 0x4956ec
push edi
call fcn.00412998
add esp, 8
pop edi
pop esi
mov esp, ebp
pop ebp
ret

Function at 0x4373d3
Capabilities:
Check if file exists
Create directory
Get file attributes

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
sub esp, 0x20c
push 0x104
push eax
lea ecx, [ebp - 0x20c]
push ecx
call fcn.0043711f
lea edx, [ebp - 0x20c]
push edx
call fcn.00412941
add esp, 0x10
test eax, eax
je 0x43741b
cmp word [ebp + eax*2 - 0x20e], 0x5c
lea eax, [ebp + eax*2 - 0x20e]
jne 0x43741b
xor ecx, ecx
mov word [eax], cx
lea edx, [ebp - 0x20c]
push edx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x4374c1
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 2
jne 0x437455
push 0
lea eax, [ebp - 0x20c]
push eax
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
test eax, eax
je 0x43745a
mov al, 1
mov esp, ebp
pop ebp
ret
cmp eax, 3
jne 0x4374c5
push esi
push edi
lea edi, [ebp - 0x20c]
call fcn.00410100
mov esi, eax
push 0x5c
push esi
call fcn.004140aa
add esp, 8
test eax, eax
jne 0x437489
push esi
call fcn.00411076
add esp, 4
pop edi
xor al, al
pop esi
mov esp, ebp
pop ebp
ret
push ebx
xor ecx, ecx
push esi
mov word [eax], cx
call fcn.004373d3
push esi
mov bl, al
call fcn.00411076
add esp, 8
test bl, bl
je 0x4374b8
push 0
lea edx, [ebp - 0x20c]
push edx
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
test eax, eax
setne bl
mov al, bl
pop ebx
pop edi
pop esi
mov esp, ebp
pop ebp
ret
test al, 0x10
jne 0x43744f
xor al, al
mov esp, ebp
pop ebp
ret

Function at 0x43779e
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x4377b8
test al, 0x10
je 0x4377b8
mov al, 1
pop ebp
ret
xor al, al
pop ebp
ret
Function at 0x4377bc
Capabilities:
Check if file exists
Get file attributes

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x254
push esi
mov esi, dword [ebp + 8]
push esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x4377fb
lea eax, [esp + 8]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_FindFirstFileW]
cmp eax, 0xffffffff
jne 0x4377f0
or eax, eax
pop esi
mov esp, ebp
pop ebp
ret
push eax
call dword [sym.imp.KERNEL32.dll_FindClose]
mov eax, dword [esp + 8]
pop esi
mov esp, ebp
pop ebp
ret