Function at 0x5079a7
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
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 - 0x38], 0xc
mov dword [ebp - 0x34], ebx
je 0x5079d6
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x5079e0
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004f6111
test eax, eax
pop ecx
je 0x5079fb
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004edbae
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004f39d3
test eax, eax
pop ecx
je 0x507a16
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004edbae
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x507a33
test ecx, 0x74000
jne 0x507a2f
cmp dword [ebp - 0x24], eax
je 0x507a33
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x507a8d
dec eax
je 0x507a77
dec eax
je 0x507a72
call fcn.004f4ff3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004f4fe0
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004edcaa
add esp, 0x14
jmp 0x508040
mov dword [ebp - 8], edx
jmp 0x507a90
test cl, 8
je 0x507a84
test ecx, 0x70000
jne 0x507a72
mov dword [ebp - 8], 0x40000000
jmp 0x507a90
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x507ad1
sub eax, ecx
je 0x507ac8
sub eax, ecx
je 0x507abf
sub eax, ecx
je 0x507ab6
sub eax, 0x40
jne 0x507a4c
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x507ad4
mov dword [ebp - 0x10], 3
jmp 0x507ad4
mov dword [ebp - 0x10], 2
jmp 0x507ad4
mov dword [ebp - 0x10], 1
jmp 0x507ad4
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 0x507b27
je 0x507b1e
cmp eax, ebx
je 0x507b1e
cmp eax, edi
je 0x507b15
cmp eax, 0x200
je 0x507b9a
cmp eax, 0x300
jne 0x507a4c
mov dword [ebp - 0x14], 2
jmp 0x507b44
mov dword [ebp - 0x14], 4
jmp 0x507b44
mov dword [ebp - 0x14], 3
jmp 0x507b44
cmp eax, 0x500
je 0x507b3d
cmp eax, 0x600
je 0x507b9a
cmp eax, edx
jne 0x507a4c
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x507b68
mov ecx, dword [0x55bb34]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x507b68
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x507b84
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x507b84
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x507b8d
or dword [ebp - 0xc], edi
test al, 0x20
je 0x507ba3
or dword [ebp - 0xc], 0x8000000
jmp 0x507bae
mov dword [ebp - 0x14], 5
jmp 0x507b44
test al, 0x10
je 0x507bae
or dword [ebp - 0xc], 0x10000000
call fcn.004f0e9b
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x507bd4
call fcn.004f4ff3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004f4fe0
mov dword [eax], 0x18
jmp 0x507c62
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileW]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x38]
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 0x507c6e
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x507c3a
test byte [ebp + 0x10], 1
je 0x507c3a
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
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 0x507c6e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x55ce80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004f5006
pop ecx
call fcn.004f4fe0
mov eax, dword [eax]
jmp 0x5080fc
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x507cbf
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x55ce80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004f5006
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x507c62
call fcn.004f4fe0
mov dword [eax], 0xd
jmp 0x507c62
cmp eax, 2
jne 0x507cca
or byte [ebp - 1], 0x40
jmp 0x507cd3
cmp eax, 3
jne 0x507cd3
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004f0c6a
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x55ce80]
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 + 0x55ce80]
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 0x507da9
test cl, 0x80
je 0x507e79
test byte [ebp + 0x10], 2
je 0x507da9
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004fb49c
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x507d67
call fcn.004f4ff3
cmp dword [eax], 0x83
je 0x507da9
push dword [esi]
call fcn.004fb07b
jmp 0x507c61
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.004fc465
add esp, 0xc
test eax, eax
jne 0x507d99
cmp word [ebp - 0x2c], 0x1a
jne 0x507d99
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004f074b
add esp, 0xc
cmp eax, edi
je 0x507d5b
push ebx
push ebx
push dword [esi]
call fcn.004fb49c
add esp, 0xc
cmp eax, edi
je 0x507d5b
test byte [ebp - 1], 0x80
je 0x507e79
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x507dd1
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x507dce
or dword [ebp + 0x10], edi
jmp 0x507dd1
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x507e1e
cmp eax, 0x10000
je 0x507e0a
cmp eax, 0x14000
je 0x507e0a
cmp eax, 0x20000
je 0x507e18
cmp eax, 0x24000
je 0x507e18
cmp eax, 0x40000
je 0x507e04
cmp eax, 0x44000
jne 0x507e21
mov byte [ebp - 2], 1
jmp 0x507e21
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x507e21
mov byte [ebp - 2], 2
jmp 0x507e21
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x507e79
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x507e79
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x507fd3
cmp eax, 0x80000000
je 0x507f9a
cmp eax, ecx
jne 0x507e79
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x507e79
cmp eax, 2
jbe 0x50807b
cmp eax, 4
jbe 0x507f6c
cmp eax, 5
je 0x50807b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x55ce80]
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 + 0x55ce80]
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 0x507eeb
test byte [ebp + 0x10], 8
je 0x507eeb
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x55ce80]
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 0x5080fa
test byte [ebp + 0x10], 1
je 0x5080fa
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
jne 0x5080e3
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004f5006
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x55ce80]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004f0ce7
pop ecx
jmp 0x507c61
push 2
push ebx
push ebx
push dword [esi]
call fcn.00501801
add esp, 0x10
or eax, edx
je 0x50807b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00501801
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x507d5b
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004fc465
add esp, 0xc
cmp eax, 0xffffffff
je 0x507d5b
cmp eax, 2
je 0x50801f
cmp eax, 3
jne 0x50806d
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x50801f
mov byte [ebp - 2], 1
jmp 0x507e79
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x507e79
cmp eax, 2
jbe 0x50807b
cmp eax, 4
ja 0x507e70
push 2
push ebx
push ebx
push dword [esi]
call fcn.00501801
add esp, 0x10
or eax, edx
je 0x50807b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00501801
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x507e79
jmp 0x507d5b
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x508047
push dword [esi]
call fcn.004fb07b
pop ecx
call fcn.004f4fe0
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x5080fc
cmp eax, 0xfeff
jne 0x50806d
push ebx
push 2
push dword [esi]
call fcn.004fb49c
add esp, 0xc
cmp eax, 0xffffffff
je 0x507d5b
mov byte [ebp - 2], 2
jmp 0x507e79
push ebx
push ebx
push dword [esi]
call fcn.004fb49c
add esp, 0xc
jmp 0x508011
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x50809b
dec eax
jne 0x507e79
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x5080a9
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.00501644
add esp, 0xc
cmp eax, 0xffffffff
je 0x5080cf
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x5080a9
jmp 0x507e79
push dword [esi]
call fcn.004fb07b
pop ecx
call fcn.004f4fe0
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x5080fc
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x55ce80]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret