Function at 0x419d6c
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 0x419d9b
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x419da5
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0041c8e7
test eax, eax
pop ecx
je 0x419dc0
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040b5a5
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00412447
test eax, eax
pop ecx
je 0x419ddb
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0040b5a5
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x419df8
test ecx, 0x74000
jne 0x419df4
cmp dword [ebp - 0x24], eax
je 0x419df8
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, accept
je 0x419e52
dec eax
je 0x419e3c
dec eax
je 0x419e37
call fcn.0040f69a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0040f687
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0040b6a1
add esp, 0x14
jmp 0x41a404
mov dword [ebp - 8], edx
jmp 0x419e55
test cl, 8
je 0x419e49
test ecx, 0x70000
jne 0x419e37
mov dword [ebp - 8], 0x40000000
jmp 0x419e55
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x419e96
sub eax, ecx
je 0x419e8d
sub eax, ecx
je 0x419e84
sub eax, ecx
je 0x419e7b
sub eax, 0x40
jne 0x419e11
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x419e99
mov dword [ebp - 0x10], 3
jmp 0x419e99
mov dword [ebp - 0x10], 2
jmp 0x419e99
mov dword [ebp - 0x10], 1
jmp 0x419e99
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 0x419eec
je 0x419ee3
cmp eax, ebx
je 0x419ee3
cmp eax, edi
je 0x419eda
cmp eax, 0x200
je 0x419f5f
cmp eax, 0x300
jne 0x419e11
mov dword [ebp - 0x14], 2
jmp 0x419f09
mov dword [ebp - 0x14], 4
jmp 0x419f09
mov dword [ebp - 0x14], 3
jmp 0x419f09
cmp eax, 0x500
je 0x419f02
cmp eax, 0x600
je 0x419f5f
cmp eax, edx
jne 0x419e11
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x419f2d
mov ecx, dword [0x71d8ec]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x419f2d
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x419f49
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x419f49
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x419f52
or dword [ebp - 0xc], edi
test al, 0x20
je 0x419f68
or dword [ebp - 0xc], 0x8000000
jmp 0x419f73
mov dword [ebp - 0x14], 5
jmp 0x419f09
test al, 0x10
je 0x419f73
or dword [ebp - 0xc], 0x10000000
call fcn.00418f05
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x419f99
call fcn.0040f69a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0040f687
mov dword [eax], 0x18
jmp 0x41a027
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 0x41a033
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x419fff
test byte [ebp + 0x10], 1
je 0x419fff
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 0x41a033
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x783c40]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0040f6ad
pop ecx
call fcn.0040f687
mov eax, dword [eax]
jmp 0x41a4c0
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x41a084
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x783c40]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0040f6ad
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x41a027
call fcn.0040f687
mov dword [eax], 0xd
jmp 0x41a027
cmp eax, 2
jne 0x41a08f
or byte [ebp - 1], 0x40
jmp 0x41a098
cmp eax, 3
jne 0x41a098
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00418cd4
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x783c40]
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 + 0x783c40]
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 0x41a16d
test cl, 0x80
je 0x41a23d
test byte [ebp + 0x10], 2
je 0x41a16d
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0041840d
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x41a12c
call fcn.0040f69a
cmp dword [eax], 0x83
je 0x41a16d
push dword [esi]
call fcn.004126ba
jmp 0x41a026
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0041b83b
add esp, 0xc
test eax, eax
jne 0x41a15d
cmp byte [ebp - 4], 0x1a
jne 0x41a15d
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0041c677
add esp, 0xc
cmp eax, edi
je 0x41a120
push ebx
push ebx
push dword [esi]
call fcn.0041840d
add esp, 0xc
cmp eax, edi
je 0x41a120
test byte [ebp - 1], 0x80
je 0x41a23d
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x41a195
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x41a192
or dword [ebp + 0x10], edi
jmp 0x41a195
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x41a1e2
cmp eax, 0x10000
je 0x41a1ce
cmp eax, 0x14000
je 0x41a1ce
cmp eax, 0x20000
je 0x41a1dc
cmp eax, 0x24000
je 0x41a1dc
cmp eax, 0x40000
je 0x41a1c8
cmp eax, 0x44000
jne 0x41a1e5
mov byte [ebp - 2], 1
jmp 0x41a1e5
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x41a1e5
mov byte [ebp - 2], 2
jmp 0x41a1e5
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x41a23d
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x41a23d
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x41a397
cmp eax, 0x80000000
je 0x41a35e
cmp eax, ecx
jne 0x41a23d
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41a23d
cmp eax, 2
jbe 0x41a43f
cmp eax, 4
jbe 0x41a330
cmp eax, 5
je 0x41a43f
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x783c40]
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 + 0x783c40]
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 0x41a2af
test byte [ebp + 0x10], 8
je 0x41a2af
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x783c40]
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 0x41a4be
test byte [ebp + 0x10], 1
je 0x41a4be
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 0x41a4a7
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0040f6ad
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x783c40]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00418d51
pop ecx
jmp 0x41a026
push 2
push ebx
push ebx
push dword [esi]
call fcn.0041aa12
add esp, 0x10
or eax, edx
je 0x41a43f
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0041aa12
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x41a120
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0041b83b
add esp, 0xc
cmp eax, 0xffffffff
je 0x41a120
cmp eax, 2
je 0x41a3e3
cmp eax, 3
jne 0x41a431
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x41a3e3
mov byte [ebp - 2], 1
jmp 0x41a23d
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41a23d
cmp eax, 2
jbe 0x41a43f
cmp eax, 4
ja 0x41a234
push 2
push ebx
push ebx
push dword [esi]
call fcn.0041aa12
add esp, 0x10
or eax, edx
je 0x41a43f
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0041aa12
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x41a23d
jmp 0x41a120
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x41a40b
push dword [esi]
call fcn.004126ba
pop ecx
call fcn.0040f687
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x41a4c0
cmp eax, 0xfeff
jne 0x41a431
push ebx
push 2
push dword [esi]
call fcn.0041840d
add esp, 0xc
cmp eax, 0xffffffff
je 0x41a120
mov byte [ebp - 2], 2
jmp 0x41a23d
push ebx
push ebx
push dword [esi]
call fcn.0041840d
add esp, 0xc
jmp 0x41a3d5
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x41a45f
dec eax
jne 0x41a23d
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x41a46d
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.00417f2a
add esp, 0xc
cmp eax, 0xffffffff
je 0x41a493
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x41a46d
jmp 0x41a23d
push dword [esi]
call fcn.004126ba
pop ecx
call fcn.0040f687
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x41a4c0
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x783c40]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret