Function at 0x483f2e
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 0x483f5d
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x483f67
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00486a3f
test eax, eax
pop ecx
je 0x483f82
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0046eb9d
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00472865
test eax, eax
pop ecx
je 0x483f9d
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0046eb9d
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x483fba
test ecx, 0x74000
jne 0x483fb6
cmp dword [ebp - 0x24], eax
je 0x483fba
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x484014
dec eax
je 0x483ffe
dec eax
je 0x483ff9
call fcn.004734f9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004734e6
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0046ec99
add esp, 0x14
jmp 0x4845c6
mov dword [ebp - 8], edx
jmp 0x484017
test cl, 8
je 0x48400b
test ecx, 0x70000
jne 0x483ff9
mov dword [ebp - 8], 0x40000000
jmp 0x484017
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x484058
sub eax, ecx
je 0x48404f
sub eax, ecx
je 0x484046
sub eax, ecx
je 0x48403d
sub eax, 0x40
jne 0x483fd3
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x48405b
mov dword [ebp - 0x10], 3
jmp 0x48405b
mov dword [ebp - 0x10], 2
jmp 0x48405b
mov dword [ebp - 0x10], 1
jmp 0x48405b
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 0x4840ae
je 0x4840a5
cmp eax, ebx
je 0x4840a5
cmp eax, edi
je 0x48409c
cmp eax, 0x200
je 0x484121
cmp eax, 0x300
jne 0x483fd3
mov dword [ebp - 0x14], 2
jmp 0x4840cb
mov dword [ebp - 0x14], 4
jmp 0x4840cb
mov dword [ebp - 0x14], 3
jmp 0x4840cb
cmp eax, 0x500
je 0x4840c4
cmp eax, 0x600
je 0x484121
cmp eax, edx
jne 0x483fd3
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4840ef
mov ecx, dword [0x4ba1b4]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4840ef
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x48410b
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x48410b
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x484114
or dword [ebp - 0xc], edi
test al, 0x20
je 0x48412a
or dword [ebp - 0xc], 0x8000000
jmp 0x484135
mov dword [ebp - 0x14], 5
jmp 0x4840cb
test al, 0x10
je 0x484135
or dword [ebp - 0xc], 0x10000000
call fcn.004716de
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x48415b
call fcn.004734f9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004734e6
mov dword [eax], 0x18
jmp 0x4841e9
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 0x4841f5
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4841c1
test byte [ebp + 0x10], 1
je 0x4841c1
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 0x4841f5
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4bb4c0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047350c
pop ecx
call fcn.004734e6
mov eax, dword [eax]
jmp 0x484682
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x484246
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4bb4c0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0047350c
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4841e9
call fcn.004734e6
mov dword [eax], 0xd
jmp 0x4841e9
cmp eax, 2
jne 0x484251
or byte [ebp - 1], 0x40
jmp 0x48425a
cmp eax, 3
jne 0x48425a
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004714ad
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4bb4c0]
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 + 0x4bb4c0]
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 0x48432f
test cl, 0x80
je 0x4843ff
test byte [ebp + 0x10], 2
je 0x48432f
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00481614
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4842ee
call fcn.004734f9
cmp dword [eax], 0x83
je 0x48432f
push dword [esi]
call fcn.0047e06f
jmp 0x4841e8
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00480f56
add esp, 0xc
test eax, eax
jne 0x48431f
cmp byte [ebp - 4], 0x1a
jne 0x48431f
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004867cf
add esp, 0xc
cmp eax, edi
je 0x4842e2
push ebx
push ebx
push dword [esi]
call fcn.00481614
add esp, 0xc
cmp eax, edi
je 0x4842e2
test byte [ebp - 1], 0x80
je 0x4843ff
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x484357
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x484354
or dword [ebp + 0x10], edi
jmp 0x484357
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4843a4
cmp eax, 0x10000
je 0x484390
cmp eax, 0x14000
je 0x484390
cmp eax, 0x20000
je 0x48439e
cmp eax, 0x24000
je 0x48439e
cmp eax, 0x40000
je 0x48438a
cmp eax, 0x44000
jne 0x4843a7
mov byte [ebp - 2], 1
jmp 0x4843a7
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4843a7
mov byte [ebp - 2], 2
jmp 0x4843a7
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4843ff
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4843ff
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x484559
cmp eax, 0x80000000
je 0x484520
cmp eax, ecx
jne 0x4843ff
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4843ff
cmp eax, 2
jbe 0x484601
cmp eax, 4
jbe 0x4844f2
cmp eax, 5
je 0x484601
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4bb4c0]
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 + 0x4bb4c0]
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 0x484471
test byte [ebp + 0x10], 8
je 0x484471
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4bb4c0]
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 0x484680
test byte [ebp + 0x10], 1
je 0x484680
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 0x484669
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047350c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4bb4c0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0047152a
pop ecx
jmp 0x4841e8
push 2
push ebx
push ebx
push dword [esi]
call fcn.00483461
add esp, 0x10
or eax, edx
je 0x484601
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00483461
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4842e2
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00480f56
add esp, 0xc
cmp eax, 0xffffffff
je 0x4842e2
cmp eax, 2
je 0x4845a5
cmp eax, 3
jne 0x4845f3
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4845a5
mov byte [ebp - 2], 1
jmp 0x4843ff
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4843ff
cmp eax, 2
jbe 0x484601
cmp eax, 4
ja 0x4843f6
push 2
push ebx
push ebx
push dword [esi]
call fcn.00483461
add esp, 0x10
or eax, edx
je 0x484601
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00483461
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4843ff
jmp 0x4842e2
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4845cd
push dword [esi]
call fcn.0047e06f
pop ecx
call fcn.004734e6
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x484682
cmp eax, 0xfeff
jne 0x4845f3
push ebx
push 2
push dword [esi]
call fcn.00481614
add esp, 0xc
cmp eax, 0xffffffff
je 0x4842e2
mov byte [ebp - 2], 2
jmp 0x4843ff
push ebx
push ebx
push dword [esi]
call fcn.00481614
add esp, 0xc
jmp 0x484597
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x484621
dec eax
jne 0x4843ff
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x48462f
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.0047deb2
add esp, 0xc
cmp eax, 0xffffffff
je 0x484655
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x48462f
jmp 0x4843ff
push dword [esi]
call fcn.0047e06f
pop ecx
call fcn.004734e6
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x484682
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4bb4c0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret