Function at 0x50932b
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 0x50935a
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x509364
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004f8521
test eax, eax
pop ecx
je 0x50937f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004efdae
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004f5d03
test eax, eax
pop ecx
je 0x50939a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004efdae
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x5093b7
test ecx, 0x74000
jne 0x5093b3
cmp dword [ebp - 0x24], eax
je 0x5093b7
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x509411
dec eax
je 0x5093fb
dec eax
je 0x5093f6
call fcn.004f7403
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004f73f0
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004efeaa
add esp, 0x14
jmp 0x5099c3
mov dword [ebp - 8], edx
jmp 0x509414
test cl, 8
je 0x509408
test ecx, 0x70000
jne 0x5093f6
mov dword [ebp - 8], 0x40000000
jmp 0x509414
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x509455
sub eax, ecx
je 0x50944c
sub eax, ecx
je 0x509443
sub eax, ecx
je 0x50943a
sub eax, 0x40
jne 0x5093d0
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x509458
mov dword [ebp - 0x10], 3
jmp 0x509458
mov dword [ebp - 0x10], 2
jmp 0x509458
mov dword [ebp - 0x10], 1
jmp 0x509458
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 0x5094ab
je 0x5094a2
cmp eax, ebx
je 0x5094a2
cmp eax, edi
je 0x509499
cmp eax, 0x200
je 0x50951e
cmp eax, 0x300
jne 0x5093d0
mov dword [ebp - 0x14], 2
jmp 0x5094c8
mov dword [ebp - 0x14], 4
jmp 0x5094c8
mov dword [ebp - 0x14], 3
jmp 0x5094c8
cmp eax, 0x500
je 0x5094c1
cmp eax, 0x600
je 0x50951e
cmp eax, edx
jne 0x5093d0
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x5094ec
mov ecx, dword [0x55fbd4]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x5094ec
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x509508
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x509508
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x509511
or dword [ebp - 0xc], edi
test al, 0x20
je 0x509527
or dword [ebp - 0xc], 0x8000000
jmp 0x509532
mov dword [ebp - 0x14], 5
jmp 0x5094c8
test al, 0x10
je 0x509532
or dword [ebp - 0xc], 0x10000000
call fcn.004f31ab
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x509558
call fcn.004f7403
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004f73f0
mov dword [eax], 0x18
jmp 0x5095e6
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 0x5095f2
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x5095be
test byte [ebp + 0x10], 1
je 0x5095be
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 0x5095f2
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x560fc0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004f7416
pop ecx
call fcn.004f73f0
mov eax, dword [eax]
jmp 0x509a7f
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x509643
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x560fc0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004f7416
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x5095e6
call fcn.004f73f0
mov dword [eax], 0xd
jmp 0x5095e6
cmp eax, 2
jne 0x50964e
or byte [ebp - 1], 0x40
jmp 0x509657
cmp eax, 3
jne 0x509657
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004f2f7a
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x560fc0]
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 + 0x560fc0]
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 0x50972c
test cl, 0x80
je 0x5097fc
test byte [ebp + 0x10], 2
je 0x50972c
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004fd8ac
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x5096eb
call fcn.004f7403
cmp dword [eax], 0x83
je 0x50972c
push dword [esi]
call fcn.004fd48b
jmp 0x5095e5
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004fe875
add esp, 0xc
test eax, eax
jne 0x50971c
cmp byte [ebp - 4], 0x1a
jne 0x50971c
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004f2dc6
add esp, 0xc
cmp eax, edi
je 0x5096df
push ebx
push ebx
push dword [esi]
call fcn.004fd8ac
add esp, 0xc
cmp eax, edi
je 0x5096df
test byte [ebp - 1], 0x80
je 0x5097fc
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x509754
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x509751
or dword [ebp + 0x10], edi
jmp 0x509754
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x5097a1
cmp eax, 0x10000
je 0x50978d
cmp eax, 0x14000
je 0x50978d
cmp eax, 0x20000
je 0x50979b
cmp eax, 0x24000
je 0x50979b
cmp eax, 0x40000
je 0x509787
cmp eax, 0x44000
jne 0x5097a4
mov byte [ebp - 2], 1
jmp 0x5097a4
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x5097a4
mov byte [ebp - 2], 2
jmp 0x5097a4
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x5097fc
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x5097fc
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x509956
cmp eax, 0x80000000
je 0x50991d
cmp eax, ecx
jne 0x5097fc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5097fc
cmp eax, 2
jbe 0x5099fe
cmp eax, 4
jbe 0x5098ef
cmp eax, 5
je 0x5099fe
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x560fc0]
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 + 0x560fc0]
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 0x50986e
test byte [ebp + 0x10], 8
je 0x50986e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x560fc0]
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 0x509a7d
test byte [ebp + 0x10], 1
je 0x509a7d
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 0x509a66
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004f7416
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x560fc0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004f2ff7
pop ecx
jmp 0x5095e5
push 2
push ebx
push ebx
push dword [esi]
call fcn.00503cc3
add esp, 0x10
or eax, edx
je 0x5099fe
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00503cc3
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x5096df
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004fe875
add esp, 0xc
cmp eax, 0xffffffff
je 0x5096df
cmp eax, 2
je 0x5099a2
cmp eax, 3
jne 0x5099f0
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x5099a2
mov byte [ebp - 2], 1
jmp 0x5097fc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5097fc
cmp eax, 2
jbe 0x5099fe
cmp eax, 4
ja 0x5097f3
push 2
push ebx
push ebx
push dword [esi]
call fcn.00503cc3
add esp, 0x10
or eax, edx
je 0x5099fe
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00503cc3
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x5097fc
jmp 0x5096df
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x5099ca
push dword [esi]
call fcn.004fd48b
pop ecx
call fcn.004f73f0
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x509a7f
cmp eax, 0xfeff
jne 0x5099f0
push ebx
push 2
push dword [esi]
call fcn.004fd8ac
add esp, 0xc
cmp eax, 0xffffffff
je 0x5096df
mov byte [ebp - 2], 2
jmp 0x5097fc
push ebx
push ebx
push dword [esi]
call fcn.004fd8ac
add esp, 0xc
jmp 0x509994
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x509a1e
dec eax
jne 0x5097fc
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x509a2c
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.00503ac2
add esp, 0xc
cmp eax, 0xffffffff
je 0x509a52
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x509a2c
jmp 0x5097fc
push dword [esi]
call fcn.004fd48b
pop ecx
call fcn.004f73f0
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x509a7f
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x560fc0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret