joyce8/EMBER2024-capa huggingface dataset:
Function at 0x479494
Capabilities:
Capture screenshot

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffff94
push ebx
push esi
push edi
mov esi, edx
mov ebx, eax
cmp byte [ebx + 0x1f8], 0
je 0x4794b0
cmp dword [esi + 4], 0
je 0x4794dd
test byte [ebx + 0x55], 1
jne 0x4794cf
mov eax, ebx
call fcn.00478034
test eax, eax
jne 0x4794cf
mov edx, esi
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx - 0x10]
jmp 0x4795ed
mov edx, esi
mov eax, ebx
call fcn.00478fb8
jmp 0x4795ed
push 0
call sub.user32.dll_GetDC
mov edi, eax
lea edx, [ebp - 0x5c]
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x44]
mov eax, dword [ebp - 0x50]
push eax
lea edx, [ebp - 0x6c]
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x44]
mov eax, dword [ebp - 0x64]
push eax
push edi
call sub.gdi32.dll_CreateCompatibleBitmap
mov dword [ebp - 8], eax
push edi
push 0
call sub.user32.dll_ReleaseDC
push 0
call sub.gdi32.dll_CreateCompatibleDC
mov dword [ebp - 4], eax
mov eax, dword [ebp - 8]
push eax
mov eax, dword [ebp - 4]
push eax
call sub.gdi32.dll_SelectObject
mov dword [ebp - 0xc], eax
xor eax, eax
push ebp
push 0x4795e6
push dword fs:[eax]
mov dword fs:[eax], esp
lea eax, [ebp - 0x4c]
push eax
mov eax, ebx
call fcn.0047b33c
push eax
call sub.user32.dll_BeginPaint
mov edi, eax
mov eax, dword [ebp - 4]
push eax
mov ecx, dword [ebp - 4]
mov edx, 0x14
mov eax, ebx
call fcn.00475cd0
mov eax, dword [ebp - 4]
mov dword [esi + 4], eax
mov edx, esi
mov eax, ebx
call fcn.00479494
xor eax, eax
mov dword [esi + 4], eax
push 0xcc0020
push 0
push 0
mov eax, dword [ebp - 4]
push eax
lea edx, [ebp - 0x5c]
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x44]
mov eax, dword [ebp - 0x50]
push eax
lea edx, [ebp - 0x6c]
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x44]
mov eax, dword [ebp - 0x64]
push eax
push 0
push 0
push edi
call sub.gdi32.dll_BitBlt
lea eax, [ebp - 0x4c]
push eax
mov eax, ebx
call fcn.0047b33c
push eax
call sub.user32.dll_EndPaint
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4795ed
mov eax, dword [ebp - 0xc]
push eax
mov eax, dword [ebp - 4]
push eax
call sub.gdi32.dll_SelectObject
mov eax, dword [ebp - 4]
push eax
call sub.gdi32.dll_DeleteDC
mov eax, dword [ebp - 8]
push eax
call sub.gdi32.dll_DeleteObject
ret
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x47fc64
Capabilities:
Link many functions at runtime

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
mov eax, dword [0x524d84]
cmp byte [eax + 0xc], 0
je 0x47fdd1
push 0x8000
call sub.KERNEL32.DLL_SetErrorMode
mov dword [ebp - 4], eax
xor eax, eax
push ebp
push 0x47fdca
push dword fs:[eax]
mov dword fs:[eax], esp
cmp dword [0x529530], 0
jne 0x47fcb8
push 0x47fdd8
call sub.KERNEL32.DLL_GetModuleHandleA_2
mov ebx, eax
push 0x47fde0
push ebx
call sub.KERNEL32.DLL_GetProcAddress_1
mov dword [0x529530], eax
cmp dword [0x51c9c4], 0
jne 0x47fdb3
push 0x47fdf0
call sub.KERNEL32.DLL_LoadLibraryA
mov dword [0x51c9c4], eax
cmp dword [0x51c9c4], 0
je 0x47fdb3
push 0x47fdfc
mov eax, dword [0x51c9c4]
push eax
call sub.KERNEL32.DLL_GetProcAddress_1
mov dword [0x529534], eax
push 0x47fe0c
mov eax, dword [0x51c9c4]
push eax
call sub.KERNEL32.DLL_GetProcAddress_1
mov dword [0x529538], eax
push 0x47fe20
mov eax, dword [0x51c9c4]
push eax
call sub.KERNEL32.DLL_GetProcAddress_1
mov dword [0x52953c], eax
push 0x47fe38
mov eax, dword [0x51c9c4]
push eax
call sub.KERNEL32.DLL_GetProcAddress_1
mov dword [0x529540], eax
push 0x47fe50
mov eax, dword [0x51c9c4]
push eax
call sub.KERNEL32.DLL_GetProcAddress_1
mov dword [0x529544], eax
push 0x47fe64
mov eax, dword [0x51c9c4]
push eax
call sub.KERNEL32.DLL_GetProcAddress_1
mov dword [0x529548], eax
push 0x47fe7c
mov eax, dword [0x51c9c4]
push eax
call sub.KERNEL32.DLL_GetProcAddress_1
mov dword [0x52954c], eax
push 0x47fe94
mov eax, dword [0x51c9c4]
push eax
call sub.KERNEL32.DLL_GetProcAddress_1
mov dword [0x529550], eax
push 0x47feb0
mov eax, dword [0x51c9c4]
push eax
call sub.KERNEL32.DLL_GetProcAddress_1
mov dword [0x529554], eax
push 0x47febc
mov eax, dword [0x51c9c4]
push eax
call sub.KERNEL32.DLL_GetProcAddress_1
mov dword [0x529558], eax
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x47fdd1
mov eax, dword [ebp - 4]
push eax
call sub.KERNEL32.DLL_SetErrorMode
ret
pop ebx
pop ecx
pop ebp
ret

Function at 0x483e58
Capabilities:
Log keystrokes
Log keystrokes via polling

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffefc
push ebx
mov ebx, edx
mov word [ebp - 2], ax
mov eax, ebx
call fcn.00405024
push 0
xor eax, eax
mov al, byte [ebp - 2]
push eax
call sub.user32.dll_MapVirtualKeyA
shl eax, 0x10
test eax, eax
je 0x483ea7
push pe_nt_image_headers32
lea edx, [ebp - 0x102]
push edx
push eax
call sub.user32.dll_GetKeyNameTextA
mov eax, ebx
lea edx, [ebp - 0x102]
mov ecx, pe_nt_image_headers32
call fcn.00405294
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x48b784
Capabilities:
Log keystrokes via polling

Disassembly:
push ebx
push esi
mov esi, eax
mov bl, byte [0x48b7d4]
test si, 4
je 0x48b798
or bl, 1
test si, 8
je 0x48b7a2
or bl, 4
test si, 1
je 0x48b7ac
or bl, 8
test si, 2
je 0x48b7b6
or bl, 0x10
test si, 0x10
je 0x48b7c0
or bl, 0x20
push 0x12
call sub.user32.dll_GetKeyState
test ax, ax
jge 0x48b7cf
or bl, 2
mov eax, ebx
pop esi
pop ebx
ret
Function at 0x48b7d8
Capabilities:
Log keystrokes via polling

Disassembly:
push ebx
push esi
mov esi, eax
mov bl, byte [0x48b810]
push 0x10
call sub.user32.dll_GetKeyState
test ax, ax
jge 0x48b7f1
or bl, 1
push 0x11
call sub.user32.dll_GetKeyState
test ax, ax
jge 0x48b800
or bl, 4
test esi, 0x20000000
je 0x48b80b
or bl, 2
mov eax, ebx
pop esi
pop ebx
ret

Function at 0x491ed4
Capabilities:
Get keyboard layout

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
test dl, dl
je 0x491ee6
add esp, 0xfffffff0
call fcn.00404468
mov byte [ebp - 1], dl
mov ebx, eax
xor edx, edx
mov eax, ebx
call fcn.004246f4
mov eax, dword [0x524848]
mov dword [eax + 4], ebx
mov dword [eax], 0x492278
mov eax, dword [0x524854]
mov dword [eax + 4], ebx
mov dword [eax], 0x492284
mov eax, ebx
call fcn.00492290
push 0
call sub.user32.dll_GetKeyboardLayout
mov dword [ebx + 0x3c], eax
mov dl, 1
mov eax, dword [0x41c218]
call fcn.00404100
mov dword [ebx + 0x4c], eax
mov dl, 1
mov eax, dword [0x41c218]
call fcn.00404100
mov dword [ebx + 0x50], eax
mov dl, 1
mov eax, dword [0x41c218]
call fcn.00404100
mov dword [ebx + 0x54], eax
mov dl, 1
mov eax, dword [0x41c218]
call fcn.00404100
mov dword [ebx + 0x58], eax
mov dl, 1
mov eax, dword [0x41c218]
call fcn.00404100
mov dword [ebx + 0x7c], eax
push 0
call sub.user32.dll_GetDC
mov esi, eax
push 0x5a
push esi
call sub.gdi32.dll_GetDeviceCaps
mov dword [ebx + 0x40], eax
push esi
push 0
call sub.user32.dll_ReleaseDC
mov eax, dword [ebx + 0x58]
push eax
mov eax, 0x48e6a8
push eax
push 0
push 0
mov eax, dword [0x524a7c]
mov eax, dword [eax]
call eax
mov dl, 1
mov eax, dword [0x4597b0]
call fcn.0045b040
mov dword [ebx + 0x84], eax
mov dl, 1
mov eax, dword [0x4597b0]
call fcn.0045b040
mov dword [ebx + 0x88], eax
mov dl, 1
mov eax, dword [0x4597b0]
call fcn.0045b040
mov dword [ebx + 0x80], eax
mov eax, ebx
call fcn.004926e0
mov eax, dword [ebx + 0x84]
mov dword [eax + 0xc], ebx
mov dword [eax + 8], 0x4925a8
mov eax, dword [ebx + 0x88]
mov dword [eax + 0xc], ebx
mov dword [eax + 8], 0x4925a8
mov eax, dword [ebx + 0x80]
mov dword [eax + 0xc], ebx
mov dword [eax + 8], 0x4925a8
mov eax, ebx
cmp byte [ebp - 1], 0
je 0x492023
call fcn.004044c0
pop dword fs:[0]
add esp, 0xc
mov eax, ebx
pop esi
pop ebx
pop ecx
pop ebp
ret
Function at 0x49238c
Capabilities:
Get keyboard layout
Query or enumerate registry value

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffda0
push ebx
xor edx, edx
mov dword [ebp - 0x260], edx
mov dword [ebp - 4], eax
xor eax, eax
push ebp
push 0x492537
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp - 4]
cmp dword [eax + 0x34], 0
jne 0x492518
mov dl, 1
mov eax, dword [0x41c634]
call fcn.00404100
mov edx, dword [ebp - 4]
mov dword [edx + 0x34], eax
mov eax, dword [ebp - 4]
add eax, 0x38
call fcn.00405024
lea eax, [ebp - 0x114]
push eax
push 0x40
call sub.user32.dll_GetKeyboardLayoutList
dec eax
test eax, eax
jl 0x492507
inc eax
mov dword [ebp - 0x10], eax
lea eax, [ebp - 0x114]
mov dword [ebp - 0x14], eax
mov eax, dword [ebp - 0x14]
mov eax, dword [eax]
call fcn.0047ffc4
test al, al
je 0x4924fa
lea eax, [ebp - 0xc]
push eax
push 0x20019
push 0
push 0
mov eax, dword [ebp - 0x14]
mov eax, dword [eax]
mov dword [ebp - 0x25c], eax
mov byte [ebp - 0x258], 0
lea ecx, [ebp - 0x25c]
mov edx, 0x492548
lea eax, [ebp - 0x254]
call fcn.0040d694
push eax
push 0x80000002
call sub.advapi32.dll_RegOpenKeyExA_1
test eax, eax
jne 0x4924fa
xor eax, eax
push ebp
push 0x4924f3
push dword fs:[eax]
mov dword fs:[eax], esp
mov dword [ebp - 8], pe_nt_image_headers32
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x214]
push eax
push 0
push 0
push 0x492580
mov eax, dword [ebp - 0xc]
push eax
call sub.advapi32.dll_RegQueryValueExA_1
test eax, eax
jne 0x4924dc
lea eax, [ebp - 0x260]
lea edx, [ebp - 0x214]
mov ecx, pe_nt_image_headers32
call fcn.00405294
mov edx, dword [ebp - 0x260]
mov eax, dword [ebp - 0x14]
mov ecx, dword [eax]
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x34]
mov ebx, dword [eax]
call dword [ebx + 0x3c]
mov eax, dword [ebp - 0x14]
mov eax, dword [eax]
mov edx, dword [ebp - 4]
cmp eax, dword [edx + 0x3c]
jne 0x4924dc
mov eax, dword [ebp - 4]
add eax, 0x38
lea edx, [ebp - 0x214]
mov ecx, pe_nt_image_headers32
call fcn.00405294
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4924fa
mov eax, dword [ebp - 0xc]
push eax
call sub.advapi32.dll_RegCloseKey_1
ret
add dword [ebp - 0x14], 4
dec dword [ebp - 0x10]
jne 0x4923fd
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x34]
mov byte [eax + 0x1d], 0
mov dl, 1
call fcn.004202a8
mov eax, dword [ebp - 4]
mov ebx, dword [eax + 0x34]
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x49253e
lea eax, [ebp - 0x260]
call fcn.00405024
ret

Function at 0x492e80
Capabilities:
Set global application hook

Disassembly:
push ecx
mov eax, dword [0x52957c]
cmp byte [eax + 0xa5], 0
jne 0x492ef1
cmp dword [0x529594], 0
jne 0x492eb2
call sub.KERNEL32.DLL_GetCurrentThreadId_1
push eax
push 0
mov eax, 0x492e3c
push eax
push 3
call sub.user32.dll_SetWindowsHookExA
mov dword [0x529594], eax
cmp dword [0x529590], 0
jne 0x492ecd
push 0
push 0
push 0
push 0
call sub.KERNEL32.DLL_CreateEventA
mov dword [0x529590], eax
cmp dword [0x529598], 0
jne 0x492ef1
push esp
push 0
push 0
push 0x492de0
push 0x3e8
push 0
call fcn.0040795c
mov dword [0x529598], eax
pop edx
ret
Function at 0x493584
Capabilities:
Enumerate gui resources

Disassembly:
push ebx
push esi
add esp, 0xfffffff8
mov ebx, eax
mov eax, dword [0x52957c]
cmp dword [eax + 0x30], 0
je 0x49362e
cmp dword [ebx + 0x94], 0
jne 0x493628
mov eax, dword [ebx + 0x30]
mov dword [esp], eax
mov byte [esp + 4], dl
mov eax, esp
push eax
push 0x493514
call sub.user32.dll_EnumWindows
mov eax, dword [ebx + 0x90]
cmp dword [eax + 8], 0
je 0x493628
push 3
mov eax, dword [esp + 4]
push eax
call sub.user32.dll_GetWindow
mov esi, eax
mov dword [esp], esi
push 0xffffffffffffffec
push esi
call sub.user32.dll_GetWindowLongA
test al, 8
je 0x4935ee
mov dword [esp], 0xfffffffe
mov eax, dword [ebx + 0x90]
mov esi, dword [eax + 8]
dec esi
cmp esi, 0
jl 0x493628
push 0x213
push 0
push 0
push 0
push 0
mov eax, dword [esp + 0x14]
push eax
mov edx, esi
mov eax, dword [ebx + 0x90]
call fcn.0041e5dc
push eax
call sub.user32.dll_SetWindowPos
dec esi
cmp esi, 0xffffffff
jne 0x4935fd
inc dword [ebx + 0x94]
pop ecx
pop edx
pop esi
pop ebx
ret

Function at 0x49418c
Capabilities:
Get graphical window text

Disassembly:
push ebx
push esi
add esp, 0xffffff00
mov esi, edx
mov ebx, eax
cmp byte [ebx + 0xa4], 0
je 0x4941c1
push pe_nt_image_headers32
lea eax, [esp + 4]
push eax
mov eax, dword [ebx + 0x30]
push eax
call sub.user32.dll_GetWindowTextA
mov ecx, eax
mov edx, esp
mov eax, esi
call fcn.00405114
jmp 0x4941ce
mov eax, esi
mov edx, dword [ebx + 0x8c]
call fcn.00405078
add esp, 0x100
pop esi
pop ebx
ret

Function at 0x4952f0
Capabilities:
Hide graphical window

Disassembly:
push ebx
push esi
mov ebx, eax
mov esi, dword [ebx + 0x84]
test esi, esi
je 0x495331
mov eax, esi
call fcn.0047b640
test al, al
je 0x495331
mov eax, dword [ebx + 0x84]
call fcn.0047b33c
push eax
call sub.user32.dll_IsWindowVisible
test eax, eax
je 0x495331
push 0
mov eax, dword [ebx + 0x84]
call fcn.0047b33c
push eax
call sub.user32.dll_ShowWindow
pop esi
pop ebx
ret
Function at 0x49d9ec
Capabilities:
Hash data with crc32

Disassembly:
push ebx
push esi
xor esi, esi
mov ecx, 0x5295ac
mov eax, esi
mov edx, 8
mov ebx, eax
and ebx, 1
test bl, bl
je 0x49da0e
shr eax, 1
xor eax, 0xedb88320
jmp 0x49da10
shr eax, 1
dec edx
jne 0x49d9fc
mov dword [ecx], eax
inc esi
add ecx, 4
cmp esi, 0x100
jne 0x49d9f5
mov byte [0x5299ac], 1
pop esi
pop ebx
ret

Function at 0x49da2c
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
mov edi, ecx
mov esi, edx
mov ebx, eax
cmp byte [0x5299ac], 0
jne 0x49da43
call fcn.0049d9ec
mov eax, edi
dec eax
test eax, eax
jl 0x49da6c
inc eax
xor edx, edx
xor ecx, ecx
mov cl, byte [esi + edx]
xor ecx, ebx
and ecx, 0xff
mov ecx, dword [ecx*4 + 0x5295ac]
shr ebx, 8
xor ecx, ebx
mov ebx, ecx
inc edx
dec eax
jne 0x49da4d
mov eax, ebx
pop edi
pop esi
pop ebx
ret
Function at 0x4a0588
Capabilities:
Encode data using xor

Disassembly:
push ebx
push esi
push edi
push ebp
add esp, 0xfffffff8
mov ebx, eax
xor eax, eax
mov al, byte [ebx + 0x48]
mov eax, dword [ebx + eax*4 + 0x40]
mov al, byte [eax]
dec al
je 0x4a05b9
dec al
je 0x4a05f5
dec al
je 0x4a0639
dec al
je 0x4a06a4
jmp 0x4a072e
mov esi, dword [ebx + 0x24]
inc esi
mov edi, dword [ebx + 0x20]
sub edi, esi
jb 0x4a072e
inc edi
mov edx, esi
sub edx, dword [ebx + 0x24]
xor ecx, ecx
mov cl, byte [ebx + 0x48]
mov ecx, dword [ebx + ecx*4 + 0x40]
mov dl, byte [ecx + edx]
xor eax, eax
mov al, byte [ebx + 0x48]
mov eax, dword [ebx + eax*4 + 0x40]
add dl, byte [eax + esi]
and dl, 0xff
mov byte [eax + esi], dl
inc esi
dec edi
jne 0x4a05c9
jmp 0x4a072e
mov edi, dword [ebx + 0x20]
test edi, edi
jbe 0x4a072e
mov esi, 1
mov al, byte [ebx + 0x48]
mov edx, eax
xor dl, 1
and edx, 0x7f
mov edx, dword [ebx + edx*4 + 0x40]
mov dl, byte [edx + esi]
and eax, 0x7f
mov eax, dword [ebx + eax*4 + 0x40]
add dl, byte [eax + esi]
and dl, 0xff
xor eax, eax
mov al, byte [ebx + 0x48]
mov eax, dword [ebx + eax*4 + 0x40]
mov byte [eax + esi], dl
inc esi
dec edi
jne 0x4a0605
jmp 0x4a072e
mov edi, dword [ebx + 0x20]
test edi, edi
jbe 0x4a072e
mov esi, 1
mov al, byte [ebx + 0x48]
xor al, 1
and eax, 0x7f
mov eax, dword [ebx + eax*4 + 0x40]
movzx eax, byte [eax + esi]
mov ecx, esi
dec ecx
mov edx, dword [ebx + 0x24]
cmp ecx, edx
jae 0x4a0667
xor ebp, ebp
jmp 0x4a0678
mov ecx, esi
sub ecx, edx
xor edx, edx
mov dl, byte [ebx + 0x48]
mov edx, dword [ebx + edx*4 + 0x40]
movzx ebp, byte [edx + ecx]
add eax, ebp
sar eax, 1
jns 0x4a0681
adc eax, 0
xor edx, edx
mov dl, byte [ebx + 0x48]
mov edx, dword [ebx + edx*4 + 0x40]
add al, byte [edx + esi]
and al, 0xff
xor edx, edx
mov dl, byte [ebx + 0x48]
mov edx, dword [ebx + edx*4 + 0x40]
mov byte [edx + esi], al
inc esi
dec edi
jne 0x4a0649
jmp 0x4a072e
xor ebp, ebp
xor eax, eax
mov dword [esp + 4], eax
mov edi, dword [ebx + 0x20]
test edi, edi
jbe 0x4a072e
mov esi, 1
mov al, byte [ebx + 0x48]
xor al, 1
and eax, 0x7f
mov eax, dword [ebx + eax*4 + 0x40]
movzx eax, byte [eax + esi]
mov edx, esi
dec edx
cmp edx, dword [ebx + 0x24]
jb 0x4a06fc
mov edx, esi
sub edx, dword [ebx + 0x24]
xor ecx, ecx
mov cl, byte [ebx + 0x48]
mov ecx, dword [ebx + ecx*4 + 0x40]
movzx ebp, byte [ecx + edx]
mov dl, byte [ebx + 0x48]
xor dl, 1
and edx, 0x7f
mov edx, dword [ebx + edx*4 + 0x40]
mov ecx, esi
sub ecx, dword [ebx + 0x24]
movzx edx, byte [edx + ecx]
mov dword [esp + 4], edx
xor edx, edx
mov dl, byte [ebx + 0x48]
mov edx, dword [ebx + edx*4 + 0x40]
movzx edx, byte [edx + esi]
mov dword [esp], edx
mov cl, byte [esp + 4]
push eax
mov eax, ebp
pop edx
call fcn.0049da74
add al, byte [esp]
and al, 0xff
xor edx, edx
mov dl, byte [ebx + 0x48]
mov edx, dword [ebx + edx*4 + 0x40]
mov byte [edx + esi], al
inc esi
dec edi
jne 0x4a06b8
pop ecx
pop edx
pop ebp
pop edi
pop esi
pop ebx
ret
Function at 0x4a6aa8
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff0
push ebx
push esi
push edi
mov ebx, ecx
mov esi, edx
mov dword [ebp - 4], eax
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0x10]
push ebp
push 0x4a6c6e
push dword fs:[0]
mov dword fs:[0], esp
mov ecx, dword [esi + 0x30]
mov edx, dword [esi + 0x34]
mov eax, dword [ebp - 4]
mov edi, dword [eax]
call dword [edi + 0x2c]
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0x24]
test al, al
je 0x4a6af8
call fcn.00404a40
jmp 0x4a6c75
mov eax, dword [esi + 0x34]
mov edx, dword [esi + 0x30]
mov edi, eax
imul edi, edx
dec edi
xor ecx, ecx
xor edx, edx
mov eax, esi
call fcn.004b1314
mov dword [ebp - 8], eax
mov eax, dword [ebp - 8]
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x40]
mov dword [ebp - 0x10], eax
xor eax, eax
mov al, bl
cmp eax, 5
ja case.default.0x4a6b2e
jmp dword [eax*4 + 0x4a6b35]
add dword [ebp - 0xc], 2
mov ebx, edi
test ebx, ebx
jl case.default.0x4a6b2e
inc ebx
mov eax, dword [ebp - 0xc]
mov al, byte [eax]
mov edx, dword [ebp - 0x10]
mov byte [edx], al
inc dword [ebp - 0x10]
add dword [ebp - 0xc], 4
dec ebx
jne 0x4a6b5c
jmp case.default.0x4a6b2e
inc dword [ebp - 0xc]
mov ebx, edi
test ebx, ebx
jl case.default.0x4a6b2e
inc ebx
mov eax, dword [ebp - 0xc]
mov al, byte [eax]
mov edx, dword [ebp - 0x10]
mov byte [edx], al
inc dword [ebp - 0x10]
add dword [ebp - 0xc], 4
dec ebx
jne 0x4a6b83
jmp case.default.0x4a6b2e
mov ebx, edi
test ebx, ebx
jl case.default.0x4a6b2e
inc ebx
mov eax, dword [ebp - 0xc]
mov al, byte [eax]
mov edx, dword [ebp - 0x10]
mov byte [edx], al
inc dword [ebp - 0x10]
add dword [ebp - 0xc], 4
dec ebx
jne 0x4a6ba7
jmp case.default.0x4a6b2e
add dword [ebp - 0xc], 3
mov ebx, edi
test ebx, ebx
jl case.default.0x4a6b2e
inc ebx
mov eax, dword [ebp - 0xc]
mov al, byte [eax]
mov edx, dword [ebp - 0x10]
mov byte [edx], al
inc dword [ebp - 0x10]
add dword [ebp - 0xc], 4
dec ebx
jne 0x4a6bcf
jmp case.default.0x4a6b2e
mov ebx, edi
test ebx, ebx
jl case.default.0x4a6b2e
inc ebx
mov eax, dword [ebp - 8]
mov ecx, dword [eax]
mov eax, ecx
and eax, 0xff0000
shr eax, 0x10
mov edx, ecx
and edx, 0xff00
shr edx, 8
add eax, edx
and ecx, 0xff
add eax, ecx
mov ecx, eax
mov eax, ecx
mov ecx, 3
xor edx, edx
div ecx
mov ecx, eax
mov eax, dword [ebp - 0x10]
mov byte [eax], cl
inc dword [ebp - 0x10]
add dword [ebp - 8], 4
dec ebx
jne 0x4a6bec
jmp case.default.0x4a6b2e
mov ebx, edi
test ebx, ebx
jl case.default.0x4a6b2e
inc ebx
mov eax, dword [ebp - 8]
mov eax, dword [eax]
call fcn.004afa00
mov edx, dword [ebp - 0x10]
mov byte [edx], al
inc dword [ebp - 0x10]
add dword [ebp - 8], 4
dec ebx
jne 0x4a6c37
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4a6c75
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0x14]
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0xc]
ret
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4c0c5c
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebx
push esi
push edi
mov ebx, eax
push ebp
push ecx
mov esi, dword [ebx + 0x2c]
mov edi, dword [ebx + 0x3c]
sub edi, dword [ebx + 0x74]
sub edi, dword [ebx + 0x6c]
jmp 0x4c0c89
mov eax, dword [ebx + 0x2c]
sub eax, 0x106
add eax, esi
cmp eax, dword [ebx + 0x6c]
ja 0x4c0d08
push esi
mov eax, dword [ebx + 0x38]
mov edx, eax
mov ebp, esi
add edx, ebp
push edx
push eax
call fcn.004bf170
add esp, 0xc
sub dword [ebx + 0x70], esi
sub dword [ebx + 0x6c], esi
sub dword [ebx + 0x5c], ebp
mov eax, dword [ebx + 0x4c]
mov edx, eax
add edx, edx
add edx, dword [ebx + 0x44]
sub edx, 2
movzx ecx, word [edx]
mov dword [esp], ecx
cmp esi, dword [esp]
ja 0x4c0cd6
mov cx, word [esp]
sub cx, si
jmp 0x4c0cd8
xor ecx, ecx
mov word [edx], cx
dec eax
jne 0x4c0cbf
mov eax, esi
mov edx, eax
add edx, edx
add edx, dword [ebx + 0x40]
sub edx, 2
movzx ecx, word [edx]
mov dword [esp], ecx
cmp esi, dword [esp]
ja 0x4c0cfe
mov cx, word [esp]
sub cx, si
jmp 0x4c0d00
xor ecx, ecx
mov word [edx], cx
dec eax
jne 0x4c0ce7
add edi, esi
mov ebp, dword [ebx]
cmp dword [ebp + 4], 0
je 0x4c0d65
mov edx, dword [ebx + 0x38]
mov ecx, edi
add edx, dword [ebx + 0x6c]
mov eax, ebp
add edx, dword [ebx + 0x74]
call fcn.004c0930
add dword [ebx + 0x74], eax
cmp dword [ebx + 0x74], 3
jb 0x4c0d50
mov eax, dword [ebx + 0x38]
mov edx, dword [ebx + 0x6c]
movzx eax, byte [eax + edx]
mov dword [ebx + 0x48], eax
mov ecx, dword [ebx + 0x58]
shl eax, cl
mov edx, dword [ebx + 0x38]
mov ecx, dword [ebx + 0x6c]
movzx edx, byte [edx + ecx + 1]
xor eax, edx
and eax, dword [ebx + 0x54]
mov dword [ebx + 0x48], eax
cmp dword [ebx + 0x74], 0x106
jae 0x4c0d65
mov eax, dword [ebx]
cmp dword [eax + 4], 0
jne 0x4c0c66
pop edx
pop ebp
pop edi
pop esi
pop ebx
ret
Function at 0x4c68a4
Capabilities:
Clear file content
Get file size
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffa8
push ebx
push esi
push edi
xor ecx, ecx
mov dword [ebp - 0x50], ecx
mov ebx, edx
mov dword [ebp - 4], eax
xor eax, eax
push ebp
push 0x4c6b0e
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp - 4]
cmp byte [eax + 0x24], 0
je 0x4c68dc
mov dword [ebp - 8], 4
mov esi, 2
jmp 0x4c68e8
mov dword [ebp - 8], 0xf001f
mov esi, 4
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x14]
call fcn.00405500
push eax
push 0xffffffffffffffff
mov eax, dword [ebp - 8]
push eax
call sub.KERNEL32.DLL_OpenFileMappingA
mov edi, eax
mov eax, dword [ebp - 4]
mov dword [eax + 0x10], edi
test edi, edi
setne al
mov edx, dword [ebp - 4]
mov byte [edx + 0x2c], al
mov eax, dword [ebp - 4]
cmp dword [eax + 8], 0
je 0x4c69d9
test ebx, ebx
setne cl
lea edx, [ebp - 0xc]
mov eax, dword [ebp - 4]
call fcn.004c67c8
push 0
mov eax, dword [ebp - 0xc]
push eax
call sub.KERNEL32.DLL_GetFileSize_1
test ebx, ebx
jne 0x4c6960
test eax, eax
jne 0x4c6955
mov eax, dword [ebp - 4]
mov edx, dword [eax]
call dword [edx + 0x1c]
mov edx, dword [ebp - 4]
mov dword [edx + 0x28], eax
jmp 0x4c6a07
mov edx, dword [ebp - 4]
mov dword [edx + 0x28], eax
jmp 0x4c6a07
mov edx, dword [ebp - 4]
cmp byte [edx + 0x2c], 0
je 0x4c69b3
mov eax, dword [ebp - 4]
cmp byte [eax + 0x25], 0
je 0x4c69a9
push 0x30
push 0x4c6b1c
lea eax, [ebp - 0x50]
push eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x14]
mov dword [ebp - 0x58], eax
mov byte [ebp - 0x54], 0xb
lea edx, [ebp - 0x58]
xor ecx, ecx
mov eax, 0x4c6b50
call fcn.0040d72c
mov eax, dword [ebp - 0x50]
call fcn.00405500
push eax
push 0
call sub.user32.dll_MessageBoxA
mov eax, dword [ebp - 4]
xor edx, edx
mov dword [eax + 0x28], edx
jmp 0x4c6a07
cmp eax, ebx
jbe 0x4c69d1
xor ecx, ecx
mov edx, ebx
mov eax, dword [ebp - 0xc]
call fcn.0040c7fc
mov eax, dword [ebp - 0xc]
push eax
call sub.KERNEL32.DLL_SetEndOfFile_1
call fcn.00411d24
mov eax, dword [ebp - 4]
mov dword [eax + 0x28], ebx
jmp 0x4c6a07
mov eax, dword [ebp - 4]
cmp byte [eax + 0x2c], 0
jne 0x4c6a07
mov dword [ebp - 0xc], 0xffffffff
lea eax, [ebp - 0x4c]
push eax
call sub.KERNEL32.DLL_GetSystemInfo
test ebx, ebx
jne 0x4c6a01
mov eax, dword [ebp - 4]
mov edx, dword [ebp - 0x30]
mov dword [eax + 0x28], edx
jmp 0x4c6a07
mov eax, dword [ebp - 4]
mov dword [eax + 0x28], ebx
xor eax, eax
push ebp
push 0x4c6a80
push dword fs:[eax]
mov dword fs:[eax], esp
mov eax, dword [ebp - 4]
cmp byte [eax + 0x2c], 0
jne 0x4c6a69
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x14]
call fcn.00405500
push eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x28]
push eax
push 0
push esi
push 0
mov eax, dword [ebp - 0xc]
push eax
call sub.KERNEL32.DLL_CreateFileMappingA
mov ebx, eax
mov eax, dword [ebp - 4]
mov dword [eax + 0x10], ebx
test ebx, ebx
jne 0x4c6a69
mov eax, dword [ebp - 4]
xor edx, edx
mov dword [eax + 0x28], edx
mov ecx, 0x4c6b94
mov dl, 1
mov eax, dword [0x4c64b0]
call fcn.00410554
call fcn.00404994
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4c6a87
mov eax, dword [ebp - 0xc]
push eax
call sub.KERNEL32.DLL_CloseHandle_1
ret