Function at 0x4c3eb2
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 0x4c3ee1
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4c3eeb
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004c605a
test eax, eax
pop ecx
je 0x4c3f06
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004ab471
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004af4a6
test eax, eax
pop ecx
je 0x4c3f21
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004ab471
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4c3f3e
test ecx, 0x74000
jne 0x4c3f3a
cmp dword [ebp - 0x24], eax
je 0x4c3f3e
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, Ordinal_4
je 0x4c3f98
dec eax
je 0x4c3f82
dec eax
je 0x4c3f7d
call fcn.004abece
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004abebb
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004ab56d
add esp, 0x14
jmp 0x4c454a
mov dword [ebp - 8], edx
jmp 0x4c3f9b
test cl, 8
je 0x4c3f8f
test ecx, 0x70000
jne 0x4c3f7d
mov dword [ebp - 8], 0x40000000
jmp 0x4c3f9b
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4c3fdc
sub eax, ecx
je 0x4c3fd3
sub eax, ecx
je 0x4c3fca
sub eax, ecx
je 0x4c3fc1
sub eax, 0x40
jne 0x4c3f57
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4c3fdf
mov dword [ebp - 0x10], 3
jmp 0x4c3fdf
mov dword [ebp - 0x10], 2
jmp 0x4c3fdf
mov dword [ebp - 0x10], 1
jmp 0x4c3fdf
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 0x4c4032
je 0x4c4029
cmp eax, ebx
je 0x4c4029
cmp eax, edi
je 0x4c4020
cmp eax, 0x200
je 0x4c40a5
cmp eax, 0x300
jne 0x4c3f57
mov dword [ebp - 0x14], 2
jmp 0x4c404f
mov dword [ebp - 0x14], 4
jmp 0x4c404f
mov dword [ebp - 0x14], 3
jmp 0x4c404f
cmp eax, 0x500
je 0x4c4048
cmp eax, 0x600
je 0x4c40a5
cmp eax, edx
jne 0x4c3f57
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4c4073
mov ecx, dword [0x4fc488]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4c4073
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4c408f
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4c408f
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4c4098
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4c40ae
or dword [ebp - 0xc], 0x8000000
jmp 0x4c40b9
mov dword [ebp - 0x14], 5
jmp 0x4c404f
test al, 0x10
je 0x4c40b9
or dword [ebp - 0xc], 0x10000000
call fcn.004c239d
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4c40df
call fcn.004abece
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004abebb
mov dword [eax], 0x18
jmp 0x4c416d
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 0x4c4179
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4c4145
test byte [ebp + 0x10], 1
je 0x4c4145
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 0x4c4179
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4fdc60]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004abee1
pop ecx
call fcn.004abebb
mov eax, dword [eax]
jmp 0x4c4606
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4c41ca
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4fdc60]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004abee1
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4c416d
call fcn.004abebb
mov dword [eax], 0xd
jmp 0x4c416d
cmp eax, 2
jne 0x4c41d5
or byte [ebp - 1], 0x40
jmp 0x4c41de
cmp eax, 3
jne 0x4c41de
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004c216c
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4fdc60]
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 + 0x4fdc60]
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 0x4c42b3
test cl, 0x80
je 0x4c4383
test byte [ebp + 0x10], 2
je 0x4c42b3
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004b5aaa
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4c4272
call fcn.004abece
cmp dword [eax], 0x83
je 0x4c42b3
push dword [esi]
call fcn.004b65f4
jmp 0x4c416c
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004bb693
add esp, 0xc
test eax, eax
jne 0x4c42a3
cmp byte [ebp - 4], 0x1a
jne 0x4c42a3
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004c5dea
add esp, 0xc
cmp eax, edi
je 0x4c4266
push ebx
push ebx
push dword [esi]
call fcn.004b5aaa
add esp, 0xc
cmp eax, edi
je 0x4c4266
test byte [ebp - 1], 0x80
je 0x4c4383
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4c42db
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4c42d8
or dword [ebp + 0x10], edi
jmp 0x4c42db
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4c4328
cmp eax, 0x10000
je 0x4c4314
cmp eax, 0x14000
je 0x4c4314
cmp eax, 0x20000
je 0x4c4322
cmp eax, 0x24000
je 0x4c4322
cmp eax, 0x40000
je 0x4c430e
cmp eax, 0x44000
jne 0x4c432b
mov byte [ebp - 2], 1
jmp 0x4c432b
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4c432b
mov byte [ebp - 2], 2
jmp 0x4c432b
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4c4383
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4c4383
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4c44dd
cmp eax, 0x80000000
je 0x4c44a4
cmp eax, ecx
jne 0x4c4383
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4c4383
cmp eax, 2
jbe 0x4c4585
cmp eax, 4
jbe 0x4c4476
cmp eax, 5
je 0x4c4585
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4fdc60]
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 + 0x4fdc60]
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 0x4c43f5
test byte [ebp + 0x10], 8
je 0x4c43f5
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4fdc60]
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 0x4c4604
test byte [ebp + 0x10], 1
je 0x4c4604
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 0x4c45ed
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004abee1
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4fdc60]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004c21e9
pop ecx
jmp 0x4c416c
push 2
push ebx
push ebx
push dword [esi]
call fcn.004ba430
add esp, 0x10
or eax, edx
je 0x4c4585
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004ba430
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4c4266
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004bb693
add esp, 0xc
cmp eax, 0xffffffff
je 0x4c4266
cmp eax, 2
je 0x4c4529
cmp eax, 3
jne 0x4c4577
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4c4529
mov byte [ebp - 2], 1
jmp 0x4c4383
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4c4383
cmp eax, 2
jbe 0x4c4585
cmp eax, 4
ja 0x4c437a
push 2
push ebx
push ebx
push dword [esi]
call fcn.004ba430
add esp, 0x10
or eax, edx
je 0x4c4585
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004ba430
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4c4383
jmp 0x4c4266
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4c4551
push dword [esi]
call fcn.004b65f4
pop ecx
call fcn.004abebb
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4c4606
cmp eax, 0xfeff
jne 0x4c4577
push ebx
push 2
push dword [esi]
call fcn.004b5aaa
add esp, 0xc
cmp eax, 0xffffffff
je 0x4c4266
mov byte [ebp - 2], 2
jmp 0x4c4383
push ebx
push ebx
push dword [esi]
call fcn.004b5aaa
add esp, 0xc
jmp 0x4c451b
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4c45a5
dec eax
jne 0x4c4383
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4c45b3
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.004b7d1e
add esp, 0xc
cmp eax, 0xffffffff
je 0x4c45d9
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4c45b3
jmp 0x4c4383
push dword [esi]
call fcn.004b65f4
pop ecx
call fcn.004abebb
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4c4606
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4fdc60]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret