Function at 0x1004b6f4
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 0x1004b723
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x1004b72d
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.1004ca41
test eax, eax
pop ecx
je 0x1004b748
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.10036f8b
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.1003c2af
test eax, eax
pop ecx
je 0x1004b763
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.10036f8b
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x1004b780
test ecx, 0x74000
jne 0x1004b77c
cmp dword [ebp - 0x24], eax
je 0x1004b780
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x1004b7da
dec eax
je 0x1004b7c4
dec eax
je 0x1004b7bf
call fcn.1003c856
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.1003c843
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.10037087
add esp, 0x14
jmp 0x1004bd8c
mov dword [ebp - 8], edx
jmp 0x1004b7dd
test cl, 8
je 0x1004b7d1
test ecx, 0x70000
jne 0x1004b7bf
mov dword [ebp - 8], 0x40000000
jmp 0x1004b7dd
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x1004b81e
sub eax, ecx
je 0x1004b815
sub eax, ecx
je 0x1004b80c
sub eax, ecx
je 0x1004b803
sub eax, 0x40
jne 0x1004b799
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x1004b821
mov dword [ebp - 0x10], 3
jmp 0x1004b821
mov dword [ebp - 0x10], 2
jmp 0x1004b821
mov dword [ebp - 0x10], 1
jmp 0x1004b821
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 0x1004b874
je 0x1004b86b
cmp eax, ebx
je 0x1004b86b
cmp eax, edi
je 0x1004b862
cmp eax, 0x200
je 0x1004b8e7
cmp eax, 0x300
jne 0x1004b799
mov dword [ebp - 0x14], 2
jmp 0x1004b891
mov dword [ebp - 0x14], 4
jmp 0x1004b891
mov dword [ebp - 0x14], 3
jmp 0x1004b891
cmp eax, 0x500
je 0x1004b88a
cmp eax, 0x600
je 0x1004b8e7
cmp eax, edx
jne 0x1004b799
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x1004b8b5
mov ecx, dword [0x1006c9d8]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x1004b8b5
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x1004b8d1
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x1004b8d1
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x1004b8da
or dword [ebp - 0xc], edi
test al, 0x20
je 0x1004b8f0
or dword [ebp - 0xc], 0x8000000
jmp 0x1004b8fb
mov dword [ebp - 0x14], 5
jmp 0x1004b891
test al, 0x10
je 0x1004b8fb
or dword [ebp - 0xc], 0x10000000
call fcn.10048a26
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x1004b921
call fcn.1003c856
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.1003c843
mov dword [eax], 0x18
jmp 0x1004b9af
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 0x1004b9bb
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x1004b987
test byte [ebp + 0x10], 1
je 0x1004b987
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 0x1004b9bb
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x1006d4a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.1003c869
pop ecx
call fcn.1003c843
mov eax, dword [eax]
jmp 0x1004be48
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x1004ba0c
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x1006d4a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.1003c869
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x1004b9af
call fcn.1003c843
mov dword [eax], 0xd
jmp 0x1004b9af
cmp eax, 2
jne 0x1004ba17
or byte [ebp - 1], 0x40
jmp 0x1004ba20
cmp eax, 3
jne 0x1004ba20
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.100487f5
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x1006d4a0]
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 + 0x1006d4a0]
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 0x1004baf5
test cl, 0x80
je 0x1004bbc5
test byte [ebp + 0x10], 2
je 0x1004baf5
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.10041757
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x1004bab4
call fcn.1003c856
cmp dword [eax], 0x83
je 0x1004baf5
push dword [esi]
call fcn.1003eedc
jmp 0x1004b9ae
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.1004960f
add esp, 0xc
test eax, eax
jne 0x1004bae5
cmp byte [ebp - 4], 0x1a
jne 0x1004bae5
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.1004c7d1
add esp, 0xc
cmp eax, edi
je 0x1004baa8
push ebx
push ebx
push dword [esi]
call fcn.10041757
add esp, 0xc
cmp eax, edi
je 0x1004baa8
test byte [ebp - 1], 0x80
je 0x1004bbc5
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x1004bb1d
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x1004bb1a
or dword [ebp + 0x10], edi
jmp 0x1004bb1d
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x1004bb6a
cmp eax, 0x10000
je 0x1004bb56
cmp eax, 0x14000
je 0x1004bb56
cmp eax, 0x20000
je 0x1004bb64
cmp eax, 0x24000
je 0x1004bb64
cmp eax, 0x40000
je 0x1004bb50
cmp eax, 0x44000
jne 0x1004bb6d
mov byte [ebp - 2], 1
jmp 0x1004bb6d
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x1004bb6d
mov byte [ebp - 2], 2
jmp 0x1004bb6d
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x1004bbc5
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x1004bbc5
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x1004bd1f
cmp eax, 0x80000000
je 0x1004bce6
cmp eax, ecx
jne 0x1004bbc5
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x1004bbc5
cmp eax, 2
jbe 0x1004bdc7
cmp eax, 4
jbe 0x1004bcb8
cmp eax, 5
je 0x1004bdc7
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x1006d4a0]
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 + 0x1006d4a0]
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 0x1004bc37
test byte [ebp + 0x10], 8
je 0x1004bc37
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x1006d4a0]
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 0x1004be46
test byte [ebp + 0x10], 1
je 0x1004be46
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 0x1004be2f
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.1003c869
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x1006d4a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.10048872
pop ecx
jmp 0x1004b9ae
push 2
push ebx
push ebx
push dword [esi]
call fcn.10048244
add esp, 0x10
or eax, edx
je 0x1004bdc7
push ebx
push ebx
push ebx
push dword [esi]
call fcn.10048244
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x1004baa8
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.1004960f
add esp, 0xc
cmp eax, 0xffffffff
je 0x1004baa8
cmp eax, 2
je 0x1004bd6b
cmp eax, 3
jne 0x1004bdb9
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x1004bd6b
mov byte [ebp - 2], 1
jmp 0x1004bbc5
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x1004bbc5
cmp eax, 2
jbe 0x1004bdc7
cmp eax, 4
ja 0x1004bbbc
push 2
push ebx
push ebx
push dword [esi]
call fcn.10048244
add esp, 0x10
or eax, edx
je 0x1004bdc7
push ebx
push ebx
push ebx
push dword [esi]
call fcn.10048244
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x1004bbc5
jmp 0x1004baa8
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x1004bd93
push dword [esi]
call fcn.1003eedc
pop ecx
call fcn.1003c843
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x1004be48
cmp eax, 0xfeff
jne 0x1004bdb9
push ebx
push 2
push dword [esi]
call fcn.10041757
add esp, 0xc
cmp eax, 0xffffffff
je 0x1004baa8
mov byte [ebp - 2], 2
jmp 0x1004bbc5
push ebx
push ebx
push dword [esi]
call fcn.10041757
add esp, 0xc
jmp 0x1004bd5d
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x1004bde7
dec eax
jne 0x1004bbc5
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x1004bdf5
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.10041274
add esp, 0xc
cmp eax, 0xffffffff
je 0x1004be1b
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x1004bdf5
jmp 0x1004bbc5
push dword [esi]
call fcn.1003eedc
pop ecx
call fcn.1003c843
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x1004be48
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x1006d4a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret