Function at 0x4a6dcd
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 0x4a6dfc
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a6e06
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004a9f77
test eax, eax
pop ecx
je 0x4a6e21
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00480fa8
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00489100
test eax, eax
pop ecx
je 0x4a6e3c
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00480fa8
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a6e59
test ecx, 0x74000
jne 0x4a6e55
cmp dword [ebp - 0x24], eax
je 0x4a6e59
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x4a6eb3
dec eax
je 0x4a6e9d
dec eax
je 0x4a6e98
call fcn.00485ec3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00485eb0
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004810dc
add esp, 0x14
jmp 0x4a7465
mov dword [ebp - 8], edx
jmp 0x4a6eb6
test cl, 8
je 0x4a6eaa
test ecx, 0x70000
jne 0x4a6e98
mov dword [ebp - 8], 0x40000000
jmp 0x4a6eb6
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a6ef7
sub eax, ecx
je 0x4a6eee
sub eax, ecx
je 0x4a6ee5
sub eax, ecx
je 0x4a6edc
sub eax, 0x40
jne 0x4a6e72
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a6efa
mov dword [ebp - 0x10], 3
jmp 0x4a6efa
mov dword [ebp - 0x10], 2
jmp 0x4a6efa
mov dword [ebp - 0x10], 1
jmp 0x4a6efa
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 0x4a6f4d
je 0x4a6f44
cmp eax, ebx
je 0x4a6f44
cmp eax, edi
je 0x4a6f3b
cmp eax, 0x200
je 0x4a6fc0
cmp eax, 0x300
jne 0x4a6e72
mov dword [ebp - 0x14], 2
jmp 0x4a6f6a
mov dword [ebp - 0x14], 4
jmp 0x4a6f6a
mov dword [ebp - 0x14], 3
jmp 0x4a6f6a
cmp eax, 0x500
je 0x4a6f63
cmp eax, 0x600
je 0x4a6fc0
cmp eax, edx
jne 0x4a6e72
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a6f8e
mov ecx, dword [0x4d2830]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a6f8e
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a6faa
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a6faa
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a6fb3
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a6fc9
or dword [ebp - 0xc], 0x8000000
jmp 0x4a6fd4
mov dword [ebp - 0x14], 5
jmp 0x4a6f6a
test al, 0x10
je 0x4a6fd4
or dword [ebp - 0xc], 0x10000000
call fcn.004a4a5c
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a6ffa
call fcn.00485ec3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00485eb0
mov dword [eax], 0x18
jmp 0x4a7088
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 0x4a7094
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a7060
test byte [ebp + 0x10], 1
je 0x4a7060
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 0x4a7094
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4d3400]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00485ed6
pop ecx
call fcn.00485eb0
mov eax, dword [eax]
jmp 0x4a7521
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4a70e5
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4d3400]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00485ed6
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4a7088
call fcn.00485eb0
mov dword [eax], 0xd
jmp 0x4a7088
cmp eax, 2
jne 0x4a70f0
or byte [ebp - 1], 0x40
jmp 0x4a70f9
cmp eax, 3
jne 0x4a70f9
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004a482b
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4d3400]
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 + 0x4d3400]
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 0x4a71ce
test cl, 0x80
je 0x4a729e
test byte [ebp + 0x10], 2
je 0x4a71ce
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0049187e
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a718d
call fcn.00485ec3
cmp dword [eax], 0x83
je 0x4a71ce
push dword [esi]
call fcn.00491ab4
jmp 0x4a7087
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00491cd0
add esp, 0xc
test eax, eax
jne 0x4a71be
cmp byte [ebp - 4], 0x1a
jne 0x4a71be
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004a9bbc
add esp, 0xc
cmp eax, edi
je 0x4a7181
push ebx
push ebx
push dword [esi]
call fcn.0049187e
add esp, 0xc
cmp eax, edi
je 0x4a7181
test byte [ebp - 1], 0x80
je 0x4a729e
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a71f6
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a71f3
or dword [ebp + 0x10], edi
jmp 0x4a71f6
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a7243
cmp eax, 0x10000
je 0x4a722f
cmp eax, 0x14000
je 0x4a722f
cmp eax, 0x20000
je 0x4a723d
cmp eax, 0x24000
je 0x4a723d
cmp eax, 0x40000
je 0x4a7229
cmp eax, 0x44000
jne 0x4a7246
mov byte [ebp - 2], 1
jmp 0x4a7246
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a7246
mov byte [ebp - 2], 2
jmp 0x4a7246
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a729e
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a729e
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a73f8
cmp eax, 0x80000000
je 0x4a73bf
cmp eax, ecx
jne 0x4a729e
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a729e
cmp eax, 2
jbe 0x4a74a0
cmp eax, 4
jbe 0x4a7391
cmp eax, 5
je 0x4a74a0
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d3400]
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 + 0x4d3400]
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 0x4a7310
test byte [ebp + 0x10], 8
je 0x4a7310
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d3400]
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 0x4a751f
test byte [ebp + 0x10], 1
je 0x4a751f
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 0x4a7508
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00485ed6
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d3400]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004a48a8
pop ecx
jmp 0x4a7087
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049fc87
add esp, 0x10
or eax, edx
je 0x4a74a0
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049fc87
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a7181
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00491cd0
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a7181
cmp eax, 2
je 0x4a7444
cmp eax, 3
jne 0x4a7492
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a7444
mov byte [ebp - 2], 1
jmp 0x4a729e
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a729e
cmp eax, 2
jbe 0x4a74a0
cmp eax, 4
ja 0x4a7295
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049fc87
add esp, 0x10
or eax, edx
je 0x4a74a0
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049fc87
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a729e
jmp 0x4a7181
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a746c
push dword [esi]
call fcn.00491ab4
pop ecx
call fcn.00485eb0
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a7521
cmp eax, 0xfeff
jne 0x4a7492
push ebx
push 2
push dword [esi]
call fcn.0049187e
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a7181
mov byte [ebp - 2], 2
jmp 0x4a729e
push ebx
push ebx
push dword [esi]
call fcn.0049187e
add esp, 0xc
jmp 0x4a7436
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a74c0
dec eax
jne 0x4a729e
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a74ce
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.00491205
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a74f4
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a74ce
jmp 0x4a729e
push dword [esi]
call fcn.00491ab4
pop ecx
call fcn.00485eb0
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a7521
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d3400]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret