Function at 0x4124bb
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 0x4124ea
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4124f4
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0041461f
test eax, eax
pop ecx
je 0x41250f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00408932
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0040d1e6
test eax, eax
pop ecx
je 0x41252a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00408932
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x412547
test ecx, 0x74000
jne 0x412543
cmp dword [ebp - 0x24], eax
je 0x412547
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4125a1
dec eax
je 0x41258b
dec eax
je 0x412586
call fcn.00408aa0
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00408a8d
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00408a2e
add esp, 0x14
jmp 0x412b53
mov dword [ebp - 8], edx
jmp 0x4125a4
test cl, 8
je 0x412598
test ecx, 0x70000
jne 0x412586
mov dword [ebp - 8], 0x40000000
jmp 0x4125a4
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4125e5
sub eax, ecx
je 0x4125dc
sub eax, ecx
je 0x4125d3
sub eax, ecx
je 0x4125ca
sub eax, 0x40
jne 0x412560
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4125e8
mov dword [ebp - 0x10], 3
jmp 0x4125e8
mov dword [ebp - 0x10], 2
jmp 0x4125e8
mov dword [ebp - 0x10], 1
jmp 0x4125e8
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 0x41263b
je 0x412632
cmp eax, ebx
je 0x412632
cmp eax, edi
je 0x412629
cmp eax, 0x200
je 0x4126ae
cmp eax, 0x300
jne 0x412560
mov dword [ebp - 0x14], 2
jmp 0x412658
mov dword [ebp - 0x14], 4
jmp 0x412658
mov dword [ebp - 0x14], 3
jmp 0x412658
cmp eax, 0x500
je 0x412651
cmp eax, 0x600
je 0x4126ae
cmp eax, edx
jne 0x412560
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x41267c
mov ecx, dword [0x41dc7c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x41267c
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x412698
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x412698
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4126a1
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4126b7
or dword [ebp - 0xc], 0x8000000
jmp 0x4126c2
mov dword [ebp - 0x14], 5
jmp 0x412658
test al, 0x10
je 0x4126c2
or dword [ebp - 0xc], 0x10000000
call fcn.004120bd
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4126e8
call fcn.00408aa0
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00408a8d
mov dword [eax], 0x18
jmp 0x412776
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 0x412782
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x41274e
test byte [ebp + 0x10], 1
je 0x41274e
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 0x412782
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x41e3e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00408ab3
pop ecx
call fcn.00408a8d
mov eax, dword [eax]
jmp 0x412c0f
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4127d3
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x41e3e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00408ab3
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x412776
call fcn.00408a8d
mov dword [eax], 0xd
jmp 0x412776
cmp eax, 2
jne 0x4127de
or byte [ebp - 1], 0x40
jmp 0x4127e7
cmp eax, 3
jne 0x4127e7
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00411e8c
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x41e3e0]
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 + 0x41e3e0]
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 0x4128bc
test cl, 0x80
je 0x41298c
test byte [ebp + 0x10], 2
je 0x4128bc
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0040b55f
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x41287b
call fcn.00408aa0
cmp dword [eax], 0x83
je 0x4128bc
push dword [esi]
call fcn.0040b6ad
jmp 0x412775
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0040ac61
add esp, 0xc
test eax, eax
jne 0x4128ac
cmp byte [ebp - 4], 0x1a
jne 0x4128ac
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004143af
add esp, 0xc
cmp eax, edi
je 0x41286f
push ebx
push ebx
push dword [esi]
call fcn.0040b55f
add esp, 0xc
cmp eax, edi
je 0x41286f
test byte [ebp - 1], 0x80
je 0x41298c
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4128e4
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4128e1
or dword [ebp + 0x10], edi
jmp 0x4128e4
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x412931
cmp eax, 0x10000
je 0x41291d
cmp eax, 0x14000
je 0x41291d
cmp eax, 0x20000
je 0x41292b
cmp eax, 0x24000
je 0x41292b
cmp eax, 0x40000
je 0x412917
cmp eax, 0x44000
jne 0x412934
mov byte [ebp - 2], 1
jmp 0x412934
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x412934
mov byte [ebp - 2], 2
jmp 0x412934
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x41298c
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x41298c
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x412ae6
cmp eax, 0x80000000
je 0x412aad
cmp eax, ecx
jne 0x41298c
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41298c
cmp eax, 2
jbe 0x412b8e
cmp eax, 4
jbe 0x412a7f
cmp eax, 5
je 0x412b8e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x41e3e0]
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 + 0x41e3e0]
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 0x4129fe
test byte [ebp + 0x10], 8
je 0x4129fe
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x41e3e0]
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 0x412c0d
test byte [ebp + 0x10], 1
je 0x412c0d
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 0x412bf6
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00408ab3
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x41e3e0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00411f09
pop ecx
jmp 0x412775
push 2
push ebx
push ebx
push dword [esi]
call fcn.00411a1e
add esp, 0x10
or eax, edx
je 0x412b8e
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00411a1e
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x41286f
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0040ac61
add esp, 0xc
cmp eax, 0xffffffff
je 0x41286f
cmp eax, 2
je 0x412b32
cmp eax, 3
jne 0x412b80
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x412b32
mov byte [ebp - 2], 1
jmp 0x41298c
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41298c
cmp eax, 2
jbe 0x412b8e
cmp eax, 4
ja 0x412983
push 2
push ebx
push ebx
push dword [esi]
call fcn.00411a1e
add esp, 0x10
or eax, edx
je 0x412b8e
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00411a1e
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x41298c
jmp 0x41286f
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x412b5a
push dword [esi]
call fcn.0040b6ad
pop ecx
call fcn.00408a8d
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x412c0f
cmp eax, 0xfeff
jne 0x412b80
push ebx
push 2
push dword [esi]
call fcn.0040b55f
add esp, 0xc
cmp eax, 0xffffffff
je 0x41286f
mov byte [ebp - 2], 2
jmp 0x41298c
push ebx
push ebx
push dword [esi]
call fcn.0040b55f
add esp, 0xc
jmp 0x412b24
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x412bae
dec eax
jne 0x41298c
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x412bbc
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.0040a710
add esp, 0xc
cmp eax, 0xffffffff
je 0x412be2
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x412bbc
jmp 0x41298c
push dword [esi]
call fcn.0040b6ad
pop ecx
call fcn.00408a8d
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x412c0f
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x41e3e0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret