Function at 0x41db45
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 0x41db74
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x41db7e
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00422aac
test eax, eax
pop ecx
je 0x41db99
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004130c5
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0040f755
test eax, eax
pop ecx
je 0x41dbb4
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004130c5
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x41dbd1
test ecx, 0x74000
jne 0x41dbcd
cmp dword [ebp - 0x24], eax
je 0x41dbd1
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x41dc2b
dec eax
je 0x41dc15
dec eax
je 0x41dc10
call fcn.00413233
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00413220
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004131c1
add esp, 0x14
jmp 0x41e1dd
mov dword [ebp - 8], edx
jmp 0x41dc2e
test cl, 8
je 0x41dc22
test ecx, 0x70000
jne 0x41dc10
mov dword [ebp - 8], 0x40000000
jmp 0x41dc2e
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x41dc6f
sub eax, ecx
je 0x41dc66
sub eax, ecx
je 0x41dc5d
sub eax, ecx
je 0x41dc54
sub eax, 0x40
jne 0x41dbea
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x41dc72
mov dword [ebp - 0x10], 3
jmp 0x41dc72
mov dword [ebp - 0x10], 2
jmp 0x41dc72
mov dword [ebp - 0x10], 1
jmp 0x41dc72
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 0x41dcc5
je 0x41dcbc
cmp eax, ebx
je 0x41dcbc
cmp eax, edi
je 0x41dcb3
cmp eax, 0x200
je 0x41dd38
cmp eax, 0x300
jne 0x41dbea
mov dword [ebp - 0x14], 2
jmp 0x41dce2
mov dword [ebp - 0x14], 4
jmp 0x41dce2
mov dword [ebp - 0x14], 3
jmp 0x41dce2
cmp eax, 0x500
je 0x41dcdb
cmp eax, 0x600
je 0x41dd38
cmp eax, edx
jne 0x41dbea
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x41dd06
mov ecx, dword [0x43d9b0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x41dd06
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x41dd22
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x41dd22
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x41dd2b
or dword [ebp - 0xc], edi
test al, 0x20
je 0x41dd41
or dword [ebp - 0xc], 0x8000000
jmp 0x41dd4c
mov dword [ebp - 0x14], 5
jmp 0x41dce2
test al, 0x10
je 0x41dd4c
or dword [ebp - 0xc], 0x10000000
call fcn.0041d384
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x41dd72
call fcn.00413233
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00413220
mov dword [eax], 0x18
jmp 0x41de00
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 0x41de0c
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x41ddd8
test byte [ebp + 0x10], 1
je 0x41ddd8
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 0x41de0c
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4424a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00413246
pop ecx
call fcn.00413220
mov eax, dword [eax]
jmp 0x41e299
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x41de5d
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4424a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00413246
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x41de00
call fcn.00413220
mov dword [eax], 0xd
jmp 0x41de00
cmp eax, 2
jne 0x41de68
or byte [ebp - 1], 0x40
jmp 0x41de71
cmp eax, 3
jne 0x41de71
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0041d153
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4424a0]
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 + 0x4424a0]
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 0x41df46
test cl, 0x80
je 0x41e016
test byte [ebp + 0x10], 2
je 0x41df46
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00414eec
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x41df05
call fcn.00413233
cmp dword [eax], 0x83
je 0x41df46
push dword [esi]
call fcn.0041413f
jmp 0x41ddff
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0041865d
add esp, 0xc
test eax, eax
jne 0x41df36
cmp byte [ebp - 4], 0x1a
jne 0x41df36
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0042283c
add esp, 0xc
cmp eax, edi
je 0x41def9
push ebx
push ebx
push dword [esi]
call fcn.00414eec
add esp, 0xc
cmp eax, edi
je 0x41def9
test byte [ebp - 1], 0x80
je 0x41e016
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x41df6e
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x41df6b
or dword [ebp + 0x10], edi
jmp 0x41df6e
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x41dfbb
cmp eax, 0x10000
je 0x41dfa7
cmp eax, 0x14000
je 0x41dfa7
cmp eax, 0x20000
je 0x41dfb5
cmp eax, 0x24000
je 0x41dfb5
cmp eax, 0x40000
je 0x41dfa1
cmp eax, 0x44000
jne 0x41dfbe
mov byte [ebp - 2], 1
jmp 0x41dfbe
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x41dfbe
mov byte [ebp - 2], 2
jmp 0x41dfbe
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x41e016
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x41e016
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x41e170
cmp eax, 0x80000000
je 0x41e137
cmp eax, ecx
jne 0x41e016
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41e016
cmp eax, 2
jbe 0x41e218
cmp eax, 4
jbe 0x41e109
cmp eax, 5
je 0x41e218
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4424a0]
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 + 0x4424a0]
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 0x41e088
test byte [ebp + 0x10], 8
je 0x41e088
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4424a0]
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 0x41e297
test byte [ebp + 0x10], 1
je 0x41e297
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 0x41e280
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00413246
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4424a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0041d1d0
pop ecx
jmp 0x41ddff
push 2
push ebx
push ebx
push dword [esi]
call fcn.0041cd87
add esp, 0x10
or eax, edx
je 0x41e218
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0041cd87
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x41def9
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0041865d
add esp, 0xc
cmp eax, 0xffffffff
je 0x41def9
cmp eax, 2
je 0x41e1bc
cmp eax, 3
jne 0x41e20a
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x41e1bc
mov byte [ebp - 2], 1
jmp 0x41e016
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x41e016
cmp eax, 2
jbe 0x41e218
cmp eax, 4
ja 0x41e00d
push 2
push ebx
push ebx
push dword [esi]
call fcn.0041cd87
add esp, 0x10
or eax, edx
je 0x41e218
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0041cd87
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x41e016
jmp 0x41def9
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x41e1e4
push dword [esi]
call fcn.0041413f
pop ecx
call fcn.00413220
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x41e299
cmp eax, 0xfeff
jne 0x41e20a
push ebx
push 2
push dword [esi]
call fcn.00414eec
add esp, 0xc
cmp eax, 0xffffffff
je 0x41def9
mov byte [ebp - 2], 2
jmp 0x41e016
push ebx
push ebx
push dword [esi]
call fcn.00414eec
add esp, 0xc
jmp 0x41e1ae
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x41e238
dec eax
jne 0x41e016
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x41e246
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.00414063
add esp, 0xc
cmp eax, 0xffffffff
je 0x41e26c
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x41e246
jmp 0x41e016
push dword [esi]
call fcn.0041413f
pop ecx
call fcn.00413220
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x41e299
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4424a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret