Function at 0x41573b
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 0x41576a
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x415774
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00417858
test eax, eax
pop ecx
je 0x41578f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040e1a8
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0041073d
test eax, eax
pop ecx
je 0x4157aa
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040e1a8
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4157c7
test ecx, 0x74000
jne 0x4157c3
cmp dword [ebp - 0x24], eax
je 0x4157c7
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x415821
dec eax
je 0x41580b
dec eax
je 0x415806
call fcn.0040e316
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0040e303
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0040e2a4
add esp, 0x14
jmp 0x415dd3
mov dword [ebp - 8], edx
jmp 0x415824
test cl, 8
je 0x415818
test ecx, 0x70000
jne 0x415806
mov dword [ebp - 8], 0x40000000
jmp 0x415824
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x415865
sub eax, ecx
je 0x41585c
sub eax, ecx
je 0x415853
sub eax, ecx
je 0x41584a
sub eax, 0x40
jne 0x4157e0
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x415868
mov dword [ebp - 0x10], 3
jmp 0x415868
mov dword [ebp - 0x10], 2
jmp 0x415868
mov dword [ebp - 0x10], 1
jmp 0x415868
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 0x4158bb
je 0x4158b2
cmp eax, ebx
je 0x4158b2
cmp eax, edi
je 0x4158a9
cmp eax, 0x200
je 0x41592e
cmp eax, 0x300
jne 0x4157e0
mov dword [ebp - 0x14], 2
jmp 0x4158d8
mov dword [ebp - 0x14], 4
jmp 0x4158d8
mov dword [ebp - 0x14], 3
jmp 0x4158d8
cmp eax, 0x500
je 0x4158d1
cmp eax, 0x600
je 0x41592e
cmp eax, edx
jne 0x4157e0
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4158fc
mov ecx, dword [0x42066c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4158fc
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x415918
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x415918
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x415921
or dword [ebp - 0xc], edi
test al, 0x20
je 0x415937
or dword [ebp - 0xc], 0x8000000
jmp 0x415942
mov dword [ebp - 0x14], 5
jmp 0x4158d8
test al, 0x10
je 0x415942
or dword [ebp - 0xc], 0x10000000
call fcn.0040fb39
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x415968
call fcn.0040e316
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0040e303
mov dword [eax], 0x18
jmp 0x4159f6
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 0x415a02
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4159ce
test byte [ebp + 0x10], 1
je 0x4159ce
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 0x415a02
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x420c80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0040e329
pop ecx
call fcn.0040e303
mov eax, dword [eax]
jmp 0x415e8f
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x415a53
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x420c80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0040e329
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4159f6
call fcn.0040e303
mov dword [eax], 0xd
jmp 0x4159f6
cmp eax, 2
jne 0x415a5e
or byte [ebp - 1], 0x40
jmp 0x415a67
cmp eax, 3
jne 0x415a67
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0040f908
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x420c80]
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 + 0x420c80]
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 0x415b3c
test cl, 0x80
je 0x415c0c
test byte [ebp + 0x10], 2
je 0x415b3c
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0041149b
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x415afb
call fcn.0040e316
cmp dword [eax], 0x83
je 0x415b3c
push dword [esi]
call fcn.0040f53b
jmp 0x4159f5
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0040da38
add esp, 0xc
test eax, eax
jne 0x415b2c
cmp byte [ebp - 4], 0x1a
jne 0x415b2c
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004175e8
add esp, 0xc
cmp eax, edi
je 0x415aef
push ebx
push ebx
push dword [esi]
call fcn.0041149b
add esp, 0xc
cmp eax, edi
je 0x415aef
test byte [ebp - 1], 0x80
je 0x415c0c
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x415b64
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x415b61
or dword [ebp + 0x10], edi
jmp 0x415b64
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x415bb1
cmp eax, 0x10000
je 0x415b9d
cmp eax, 0x14000
je 0x415b9d
cmp eax, 0x20000
je 0x415bab
cmp eax, 0x24000
je 0x415bab
cmp eax, 0x40000
je 0x415b97
cmp eax, 0x44000
jne 0x415bb4
mov byte [ebp - 2], 1
jmp 0x415bb4
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x415bb4
mov byte [ebp - 2], 2
jmp 0x415bb4
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x415c0c
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x415c0c
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x415d66
cmp eax, 0x80000000
je 0x415d2d
cmp eax, ecx
jne 0x415c0c
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x415c0c
cmp eax, 2
jbe 0x415e0e
cmp eax, 4
jbe 0x415cff
cmp eax, 5
je 0x415e0e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x420c80]
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 + 0x420c80]
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 0x415c7e
test byte [ebp + 0x10], 8
je 0x415c7e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x420c80]
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 0x415e8d
test byte [ebp + 0x10], 1
je 0x415e8d
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 0x415e76
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0040e329
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x420c80]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0040f985
pop ecx
jmp 0x4159f5
push 2
push ebx
push ebx
push dword [esi]
call fcn.0040bde6
add esp, 0x10
or eax, edx
je 0x415e0e
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0040bde6
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x415aef
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0040da38
add esp, 0xc
cmp eax, 0xffffffff
je 0x415aef
cmp eax, 2
je 0x415db2
cmp eax, 3
jne 0x415e00
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x415db2
mov byte [ebp - 2], 1
jmp 0x415c0c
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x415c0c
cmp eax, 2
jbe 0x415e0e
cmp eax, 4
ja 0x415c03
push 2
push ebx
push ebx
push dword [esi]
call fcn.0040bde6
add esp, 0x10
or eax, edx
je 0x415e0e
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0040bde6
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x415c0c
jmp 0x415aef
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x415dda
push dword [esi]
call fcn.0040f53b
pop ecx
call fcn.0040e303
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x415e8f
cmp eax, 0xfeff
jne 0x415e00
push ebx
push 2
push dword [esi]
call fcn.0041149b
add esp, 0xc
cmp eax, 0xffffffff
je 0x415aef
mov byte [ebp - 2], 2
jmp 0x415c0c
push ebx
push ebx
push dword [esi]
call fcn.0041149b
add esp, 0xc
jmp 0x415da4
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x415e2e
dec eax
jne 0x415c0c
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x415e3c
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.0041029e
add esp, 0xc
cmp eax, 0xffffffff
je 0x415e62
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x415e3c
jmp 0x415c0c
push dword [esi]
call fcn.0040f53b
pop ecx
call fcn.0040e303
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x415e8f
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x420c80]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret