Function at 0x5d4061
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 0x5d4090
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x5d409a
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.005d5bd7
test eax, eax
pop ecx
je 0x5d40b5
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.005b89f8
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.005c0ad5
test eax, eax
pop ecx
je 0x5d40d0
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.005b89f8
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x5d40ed
test ecx, 0x74000
jne 0x5d40e9
cmp dword [ebp - 0x24], eax
je 0x5d40ed
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x5d4147
dec eax
je 0x5d4131
dec eax
je 0x5d412c
call fcn.005baa33
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.005baa20
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.005b8af4
add esp, 0x14
jmp 0x5d46f9
mov dword [ebp - 8], edx
jmp 0x5d414a
test cl, 8
je 0x5d413e
test ecx, 0x70000
jne 0x5d412c
mov dword [ebp - 8], 0x40000000
jmp 0x5d414a
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x5d418b
sub eax, ecx
je 0x5d4182
sub eax, ecx
je 0x5d4179
sub eax, ecx
je 0x5d4170
sub eax, 0x40
jne 0x5d4106
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x5d418e
mov dword [ebp - 0x10], 3
jmp 0x5d418e
mov dword [ebp - 0x10], 2
jmp 0x5d418e
mov dword [ebp - 0x10], 1
jmp 0x5d418e
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 0x5d41e1
je 0x5d41d8
cmp eax, ebx
je 0x5d41d8
cmp eax, edi
je 0x5d41cf
cmp eax, 0x200
je 0x5d4254
cmp eax, 0x300
jne 0x5d4106
mov dword [ebp - 0x14], 2
jmp 0x5d41fe
mov dword [ebp - 0x14], 4
jmp 0x5d41fe
mov dword [ebp - 0x14], 3
jmp 0x5d41fe
cmp eax, 0x500
je 0x5d41f7
cmp eax, 0x600
je 0x5d4254
cmp eax, edx
jne 0x5d4106
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x5d4222
mov ecx, dword [0x6593c4]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x5d4222
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x5d423e
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x5d423e
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x5d4247
or dword [ebp - 0xc], edi
test al, 0x20
je 0x5d425d
or dword [ebp - 0xc], 0x8000000
jmp 0x5d4268
mov dword [ebp - 0x14], 5
jmp 0x5d41fe
test al, 0x10
je 0x5d4268
or dword [ebp - 0xc], 0x10000000
call fcn.005c1630
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x5d428e
call fcn.005baa33
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.005baa20
mov dword [eax], 0x18
jmp 0x5d431c
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 0x5d4328
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x5d42f4
test byte [ebp + 0x10], 1
je 0x5d42f4
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 0x5d4328
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x65cb20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.005baa46
pop ecx
call fcn.005baa20
mov eax, dword [eax]
jmp 0x5d47b5
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x5d4379
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x65cb20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.005baa46
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x5d431c
call fcn.005baa20
mov dword [eax], 0xd
jmp 0x5d431c
cmp eax, 2
jne 0x5d4384
or byte [ebp - 1], 0x40
jmp 0x5d438d
cmp eax, 3
jne 0x5d438d
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.005c13ff
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x65cb20]
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 + 0x65cb20]
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 0x5d4462
test cl, 0x80
je 0x5d4532
test byte [ebp + 0x10], 2
je 0x5d4462
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.005c7ea4
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x5d4421
call fcn.005baa33
cmp dword [eax], 0x83
je 0x5d4462
push dword [esi]
call fcn.005c70b4
jmp 0x5d431b
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.005c8b27
add esp, 0xc
test eax, eax
jne 0x5d4452
cmp byte [ebp - 4], 0x1a
jne 0x5d4452
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.005d5967
add esp, 0xc
cmp eax, edi
je 0x5d4415
push ebx
push ebx
push dword [esi]
call fcn.005c7ea4
add esp, 0xc
cmp eax, edi
je 0x5d4415
test byte [ebp - 1], 0x80
je 0x5d4532
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x5d448a
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x5d4487
or dword [ebp + 0x10], edi
jmp 0x5d448a
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x5d44d7
cmp eax, 0x10000
je 0x5d44c3
cmp eax, 0x14000
je 0x5d44c3
cmp eax, 0x20000
je 0x5d44d1
cmp eax, 0x24000
je 0x5d44d1
cmp eax, 0x40000
je 0x5d44bd
cmp eax, 0x44000
jne 0x5d44da
mov byte [ebp - 2], 1
jmp 0x5d44da
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x5d44da
mov byte [ebp - 2], 2
jmp 0x5d44da
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x5d4532
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x5d4532
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x5d468c
cmp eax, 0x80000000
je 0x5d4653
cmp eax, ecx
jne 0x5d4532
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5d4532
cmp eax, 2
jbe 0x5d4734
cmp eax, 4
jbe 0x5d4625
cmp eax, 5
je 0x5d4734
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x65cb20]
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 + 0x65cb20]
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 0x5d45a4
test byte [ebp + 0x10], 8
je 0x5d45a4
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x65cb20]
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 0x5d47b3
test byte [ebp + 0x10], 1
je 0x5d47b3
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 0x5d479c
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.005baa46
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x65cb20]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.005c147c
pop ecx
jmp 0x5d431b
push 2
push ebx
push ebx
push dword [esi]
call fcn.005d095c
add esp, 0x10
or eax, edx
je 0x5d4734
push ebx
push ebx
push ebx
push dword [esi]
call fcn.005d095c
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x5d4415
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.005c8b27
add esp, 0xc
cmp eax, 0xffffffff
je 0x5d4415
cmp eax, 2
je 0x5d46d8
cmp eax, 3
jne 0x5d4726
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x5d46d8
mov byte [ebp - 2], 1
jmp 0x5d4532
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5d4532
cmp eax, 2
jbe 0x5d4734
cmp eax, 4
ja 0x5d4529
push 2
push ebx
push ebx
push dword [esi]
call fcn.005d095c
add esp, 0x10
or eax, edx
je 0x5d4734
push ebx
push ebx
push ebx
push dword [esi]
call fcn.005d095c
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x5d4532
jmp 0x5d4415
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x5d4700
push dword [esi]
call fcn.005c70b4
pop ecx
call fcn.005baa20
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x5d47b5
cmp eax, 0xfeff
jne 0x5d4726
push ebx
push 2
push dword [esi]
call fcn.005c7ea4
add esp, 0xc
cmp eax, 0xffffffff
je 0x5d4415
mov byte [ebp - 2], 2
jmp 0x5d4532
push ebx
push ebx
push dword [esi]
call fcn.005c7ea4
add esp, 0xc
jmp 0x5d46ca
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x5d4754
dec eax
jne 0x5d4532
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x5d4762
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.005c6baf
add esp, 0xc
cmp eax, 0xffffffff
je 0x5d4788
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x5d4762
jmp 0x5d4532
push dword [esi]
call fcn.005c70b4
pop ecx
call fcn.005baa20
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x5d47b5
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x65cb20]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret