Function at 0x41cf0d
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
push ebx
xor ebx, ebx
test byte [ebp + 0x10], 0x80
push esi
push edi
mov esi, eax
mov dword [ebp - 0x24], ebx
mov dword [ebp - 0x28], ebx
mov byte [ebp - 2], bl
mov dword [ebp - 0x34], 0xc
mov dword [ebp - 0x30], ebx
je 0x41cf3c
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x41cf46
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00420515
test eax, eax
pop ecx
je 0x41cf61
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040a983
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0040a683
test eax, eax
pop ecx
je 0x41cf7c
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040a983
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x41cf99
test ecx, 0x74000
jne 0x41cf95
cmp dword [ebp - 0x24], eax
je 0x41cf99
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x41cff3
dec eax
je 0x41cfdd
dec eax
je 0x41cfd8
call fcn.00410648
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00410635
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0040aa7f
add esp, 0x14
jmp 0x41d5a5
mov dword [ebp - 8], edx
jmp 0x41cff6
test cl, 8
je 0x41cfea
test ecx, 0x70000
jne 0x41cfd8
mov dword [ebp - 8], 0x40000000
jmp 0x41cff6
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x41d037
sub eax, ecx
je 0x41d02e
sub eax, ecx
je 0x41d025
sub eax, ecx
je 0x41d01c
sub eax, 0x40
jne 0x41cfb2
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x41d03a
mov dword [ebp - 0x10], 3
jmp 0x41d03a
mov dword [ebp - 0x10], 2
jmp 0x41d03a
mov dword [ebp - 0x10], 1
jmp 0x41d03a
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, 0x100
jg 0x41d08d
je 0x41d084
cmp eax, ebx
je 0x41d084
cmp eax, edi
je 0x41d07b
cmp eax, 0x200
je 0x41d100
cmp eax, 0x300
jne 0x41cfb2
mov dword [ebp - 0x14], 2
jmp 0x41d0aa
mov dword [ebp - 0x14], 4
jmp 0x41d0aa
mov dword [ebp - 0x14], 3
jmp 0x41d0aa
cmp eax, 0x500
je 0x41d0a3
cmp eax, 0x600
je 0x41d100
cmp eax, edx
jne 0x41cfb2
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x41d0ce
mov ecx, dword [0x430860]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x41d0ce
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x41d0ea
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x41d0ea
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x41d0f3
or dword [ebp - 0xc], edi
test al, 0x20
je 0x41d109
or dword [ebp - 0xc], 0x8000000
jmp 0x41d114
mov dword [ebp - 0x14], 5
jmp 0x41d0aa
test al, 0x10
je 0x41d114
or dword [ebp - 0xc], 0x10000000
call fcn.0041cc74
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x41d13a
call fcn.00410648
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00410635
mov dword [eax], 0x18
jmp 0x41d1c8
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileA]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x34]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x41d1d4
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x41d1a0
test byte [ebp + 0x10], 1
je 0x41d1a0
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push dword [ebp - 0x14]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x41d1d4
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x431620]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0041065b
pop ecx
call fcn.00410635
mov eax, dword [eax]
jmp 0x41d661
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x41d225
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x431620]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0041065b
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x41d1c8
call fcn.00410635
mov dword [eax], 0xd
jmp 0x41d1c8
cmp eax, 2
jne 0x41d230
or byte [ebp - 1], 0x40
jmp 0x41d239
cmp eax, 3
jne 0x41d239
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0041ca43
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x431620]
pop ecx
pop ecx
mov cl, byte [ebp - 1]
or cl, 1
mov byte [edx + eax + 4], cl
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x431620]
lea eax, [edx + eax + 0x24]
and byte [eax], 0x80
mov byte [ebp - 3], cl
and byte [ebp - 3], 0x48
mov byte [ebp - 1], cl
jne 0x41d30e
test cl, 0x80
je 0x41d3de
test byte [ebp + 0x10], 2
je 0x41d30e
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00414390
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x41d2cd
call fcn.00410648
cmp dword [eax], 0x83
je 0x41d30e
push dword [esi]
call fcn.00415d32
jmp 0x41d1c7
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0041c385
add esp, 0xc
test eax, eax
jne 0x41d2fe
cmp byte [ebp - 4], 0x1a
jne 0x41d2fe
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004202a5
add esp, 0xc
cmp eax, edi
je 0x41d2c1
push ebx
push ebx
push dword [esi]
call fcn.00414390
add esp, 0xc
cmp eax, edi
je 0x41d2c1
test byte [ebp - 1], 0x80
je 0x41d3de
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x41d336
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x41d333
or dword [ebp + 0x10], edi
jmp 0x41d336
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x41d383
cmp eax, 0x10000
je 0x41d36f
cmp eax, 0x14000
je 0x41d36f
cmp eax, 0x20000
je 0x41d37d
cmp eax, 0x24000
je 0x41d37d
cmp eax, 0x40000
je 0x41d369
cmp eax, 0x44000
jne 0x41d386
mov byte [ebp - 2], 1
jmp 0x41d386
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x41d386
mov byte [ebp - 2], 2
jmp 0x41d386
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x41d3de
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x41d3de
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x41d538
cmp eax, 0x80000000
je 0x41d4ff
cmp eax, ecx
jne 0x41d3de
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41d3de
cmp eax, 2
jbe 0x41d5e0
cmp eax, 4
jbe 0x41d4d1
cmp eax, 5
je 0x41d5e0
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x431620]
lea eax, [ecx + eax + 0x24]
mov cl, byte [eax]
xor cl, byte [ebp - 2]
and cl, 0x7f
xor byte [eax], cl
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x431620]
lea eax, [ecx + eax + 0x24]
mov ecx, dword [ebp + 0x10]
mov dl, byte [eax]
shr ecx, 0x10
shl cl, 7
and dl, 0x7f
or cl, dl
cmp byte [ebp - 3], bl
mov byte [eax], cl
jne 0x41d450
test byte [ebp + 0x10], 8
je 0x41d450
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x431620]
lea eax, [ecx + eax + 4]
or byte [eax], 0x20
mov edi, dword [ebp - 8]
mov eax, 0xc0000000
mov ecx, edi
and ecx, eax
cmp ecx, eax
jne 0x41d65f
test byte [ebp + 0x10], 1
je 0x41d65f
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
jne 0x41d648
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0041065b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x431620]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0041cac0
pop ecx
jmp 0x41d1c7
push 2
push ebx
push ebx
push dword [esi]
call fcn.0041bed1
add esp, 0x10
or eax, edx
je 0x41d5e0
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0041bed1
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x41d2c1
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0041c385
add esp, 0xc
cmp eax, 0xffffffff
je 0x41d2c1
cmp eax, 2
je 0x41d584
cmp eax, 3
jne 0x41d5d2
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x41d584
mov byte [ebp - 2], 1
jmp 0x41d3de
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41d3de
cmp eax, 2
jbe 0x41d5e0
cmp eax, 4
ja 0x41d3d5
push 2
push ebx
push ebx
push dword [esi]
call fcn.0041bed1
add esp, 0x10
or eax, edx
je 0x41d5e0
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0041bed1
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x41d3de
jmp 0x41d2c1
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x41d5ac
push dword [esi]
call fcn.00415d32
pop ecx
call fcn.00410635
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x41d661
cmp eax, 0xfeff
jne 0x41d5d2
push ebx
push 2
push dword [esi]
call fcn.00414390
add esp, 0xc
cmp eax, 0xffffffff
je 0x41d2c1
mov byte [ebp - 2], 2
jmp 0x41d3de
push ebx
push ebx
push dword [esi]
call fcn.00414390
add esp, 0xc
jmp 0x41d576
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x41d600
dec eax
jne 0x41d3de
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x41d60e
mov dword [ebp - 0x18], 0xbfbbef
mov dword [ebp - 0x14], 3
mov eax, dword [ebp - 0x14]
sub eax, edi
push eax
lea eax, [ebp + edi - 0x18]
push eax
push dword [esi]
call fcn.00415b75
add esp, 0xc
cmp eax, 0xffffffff
je 0x41d634
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x41d60e
jmp 0x41d3de
push dword [esi]
call fcn.00415d32
pop ecx
call fcn.00410635
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x41d661
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x431620]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret