Function at 0x47181b
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
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 - 0x38], 0xc
mov dword [ebp - 0x34], ebx
je 0x47184a
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x471854
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00472c99
test eax, eax
pop ecx
je 0x47186f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0045434b
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0045d991
test eax, eax
pop ecx
je 0x47188a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0045434b
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4718a7
test ecx, 0x74000
jne 0x4718a3
cmp dword [ebp - 0x24], eax
je 0x4718a7
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x471901
dec eax
je 0x4718eb
dec eax
je 0x4718e6
call fcn.0045dc52
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0045dc3f
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00454447
add esp, 0x14
jmp 0x471eb4
mov dword [ebp - 8], edx
jmp 0x471904
test cl, 8
je 0x4718f8
test ecx, 0x70000
jne 0x4718e6
mov dword [ebp - 8], 0x40000000
jmp 0x471904
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x471945
sub eax, ecx
je 0x47193c
sub eax, ecx
je 0x471933
sub eax, ecx
je 0x47192a
sub eax, 0x40
jne 0x4718c0
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x471948
mov dword [ebp - 0x10], 3
jmp 0x471948
mov dword [ebp - 0x10], 2
jmp 0x471948
mov dword [ebp - 0x10], 1
jmp 0x471948
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, pe_nt_image_headers32
jg 0x47199b
je 0x471992
cmp eax, ebx
je 0x471992
cmp eax, edi
je 0x471989
cmp eax, 0x200
je 0x471a0e
cmp eax, 0x300
jne 0x4718c0
mov dword [ebp - 0x14], 2
jmp 0x4719b8
mov dword [ebp - 0x14], 4
jmp 0x4719b8
mov dword [ebp - 0x14], 3
jmp 0x4719b8
cmp eax, 0x500
je 0x4719b1
cmp eax, 0x600
je 0x471a0e
cmp eax, edx
jne 0x4718c0
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4719dc
mov ecx, dword [0x4b0010]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4719dc
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4719f8
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4719f8
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x471a01
or dword [ebp - 0xc], edi
test al, 0x20
je 0x471a17
or dword [ebp - 0xc], 0x8000000
jmp 0x471a22
mov dword [ebp - 0x14], 5
jmp 0x4719b8
test al, 0x10
je 0x471a22
or dword [ebp - 0xc], 0x10000000
call fcn.004709de
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x471a48
call fcn.0045dc52
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0045dc3f
mov dword [eax], 0x18
jmp 0x471ad6
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileW]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x38]
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 0x471ae2
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x471aae
test byte [ebp + 0x10], 1
je 0x471aae
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
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 0x471ae2
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4b1140]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0045dc65
pop ecx
call fcn.0045dc3f
mov eax, dword [eax]
jmp 0x471f70
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x471b33
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4b1140]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0045dc65
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x471ad6
call fcn.0045dc3f
mov dword [eax], 0xd
jmp 0x471ad6
cmp eax, 2
jne 0x471b3e
or byte [ebp - 1], 0x40
jmp 0x471b47
cmp eax, 3
jne 0x471b47
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004707ad
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4b1140]
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 + 0x4b1140]
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 0x471c1d
test cl, 0x80
je 0x471ced
test byte [ebp + 0x10], 2
je 0x471c1d
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00468c19
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x471bdb
call fcn.0045dc52
cmp dword [eax], 0x83
je 0x471c1d
push dword [esi]
call fcn.00468a8c
jmp 0x471ad5
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0046b487
add esp, 0xc
test eax, eax
jne 0x471c0d
cmp word [ebp - 0x2c], 0x1a
jne 0x471c0d
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00472a29
add esp, 0xc
cmp eax, edi
je 0x471bcf
push ebx
push ebx
push dword [esi]
call fcn.00468c19
add esp, 0xc
cmp eax, edi
je 0x471bcf
test byte [ebp - 1], 0x80
je 0x471ced
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x471c45
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x471c42
or dword [ebp + 0x10], edi
jmp 0x471c45
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x471c92
cmp eax, 0x10000
je 0x471c7e
cmp eax, 0x14000
je 0x471c7e
cmp eax, 0x20000
je 0x471c8c
cmp eax, 0x24000
je 0x471c8c
cmp eax, 0x40000
je 0x471c78
cmp eax, 0x44000
jne 0x471c95
mov byte [ebp - 2], 1
jmp 0x471c95
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x471c95
mov byte [ebp - 2], 2
jmp 0x471c95
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x471ced
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x471ced
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x471e47
cmp eax, 0x80000000
je 0x471e0e
cmp eax, ecx
jne 0x471ced
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x471ced
cmp eax, 2
jbe 0x471eef
cmp eax, 4
jbe 0x471de0
cmp eax, 5
je 0x471eef
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4b1140]
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 + 0x4b1140]
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 0x471d5f
test byte [ebp + 0x10], 8
je 0x471d5f
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4b1140]
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 0x471f6e
test byte [ebp + 0x10], 1
je 0x471f6e
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
jne 0x471f57
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0045dc65
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4b1140]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0047082a
pop ecx
jmp 0x471ad5
push 2
push ebx
push ebx
push dword [esi]
call fcn.0046d434
add esp, 0x10
or eax, edx
je 0x471eef
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0046d434
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x471bcf
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0046b487
add esp, 0xc
cmp eax, 0xffffffff
je 0x471bcf
cmp eax, 2
je 0x471e93
cmp eax, 3
jne 0x471ee1
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x471e93
mov byte [ebp - 2], 1
jmp 0x471ced
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x471ced
cmp eax, 2
jbe 0x471eef
cmp eax, 4
ja 0x471ce4
push 2
push ebx
push ebx
push dword [esi]
call fcn.0046d434
add esp, 0x10
or eax, edx
je 0x471eef
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0046d434
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x471ced
jmp 0x471bcf
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x471ebb
push dword [esi]
call fcn.00468a8c
pop ecx
call fcn.0045dc3f
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x471f70
cmp eax, 0xfeff
jne 0x471ee1
push ebx
push 2
push dword [esi]
call fcn.00468c19
add esp, 0xc
cmp eax, 0xffffffff
je 0x471bcf
mov byte [ebp - 2], 2
jmp 0x471ced
push ebx
push ebx
push dword [esi]
call fcn.00468c19
add esp, 0xc
jmp 0x471e85
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x471f0f
dec eax
jne 0x471ced
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x471f1d
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.004687e2
add esp, 0xc
cmp eax, 0xffffffff
je 0x471f43
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x471f1d
jmp 0x471ced
push dword [esi]
call fcn.00468a8c
pop ecx
call fcn.0045dc3f
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x471f70
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4b1140]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret