Function at 0x455c58
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 0x455c87
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x455c91
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004581a4
test eax, eax
pop ecx
je 0x455cac
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00441cd9
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00447428
test eax, eax
pop ecx
je 0x455cc7
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00441cd9
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x455ce4
test ecx, 0x74000
jne 0x455ce0
cmp dword [ebp - 0x24], eax
je 0x455ce4
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, closesocket
je 0x455d3e
dec eax
je 0x455d28
dec eax
je 0x455d23
call fcn.00445f6b
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00445f58
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00441df7
add esp, 0x14
jmp 0x4562f1
mov dword [ebp - 8], edx
jmp 0x455d41
test cl, 8
je 0x455d35
test ecx, 0x70000
jne 0x455d23
mov dword [ebp - 8], 0x40000000
jmp 0x455d41
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x455d82
sub eax, ecx
je 0x455d79
sub eax, ecx
je 0x455d70
sub eax, ecx
je 0x455d67
sub eax, 0x40
jne 0x455cfd
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x455d85
mov dword [ebp - 0x10], 3
jmp 0x455d85
mov dword [ebp - 0x10], 2
jmp 0x455d85
mov dword [ebp - 0x10], 1
jmp 0x455d85
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 0x455dd8
je 0x455dcf
cmp eax, ebx
je 0x455dcf
cmp eax, edi
je 0x455dc6
cmp eax, 0x200
je 0x455e4b
cmp eax, 0x300
jne 0x455cfd
mov dword [ebp - 0x14], 2
jmp 0x455df5
mov dword [ebp - 0x14], 4
jmp 0x455df5
mov dword [ebp - 0x14], 3
jmp 0x455df5
cmp eax, 0x500
je 0x455dee
cmp eax, 0x600
je 0x455e4b
cmp eax, edx
jne 0x455cfd
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x455e19
mov ecx, dword [0x520914]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x455e19
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x455e35
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x455e35
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x455e3e
or dword [ebp - 0xc], edi
test al, 0x20
je 0x455e54
or dword [ebp - 0xc], 0x8000000
jmp 0x455e5f
mov dword [ebp - 0x14], 5
jmp 0x455df5
test al, 0x10
je 0x455e5f
or dword [ebp - 0xc], 0x10000000
call fcn.00451512
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x455e85
call fcn.00445f6b
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00445f58
mov dword [eax], 0x18
jmp 0x455f13
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 0x455f1f
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x455eeb
test byte [ebp + 0x10], 1
je 0x455eeb
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 0x455f1f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5226a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00445f7e
pop ecx
call fcn.00445f58
mov eax, dword [eax]
jmp 0x4563ad
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x455f70
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5226a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00445f7e
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x455f13
call fcn.00445f58
mov dword [eax], 0xd
jmp 0x455f13
cmp eax, 2
jne 0x455f7b
or byte [ebp - 1], 0x40
jmp 0x455f84
cmp eax, 3
jne 0x455f84
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004512e1
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x5226a0]
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 + 0x5226a0]
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 0x45605a
test cl, 0x80
je 0x45612a
test byte [ebp + 0x10], 2
je 0x45605a
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00457f9a
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x456018
call fcn.00445f6b
cmp dword [eax], 0x83
je 0x45605a
push dword [esi]
call fcn.0044cb81
jmp 0x455f12
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.004578dc
add esp, 0xc
test eax, eax
jne 0x45604a
cmp word [ebp - 0x2c], 0x1a
jne 0x45604a
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00457728
add esp, 0xc
cmp eax, edi
je 0x45600c
push ebx
push ebx
push dword [esi]
call fcn.00457f9a
add esp, 0xc
cmp eax, edi
je 0x45600c
test byte [ebp - 1], 0x80
je 0x45612a
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x456082
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x45607f
or dword [ebp + 0x10], edi
jmp 0x456082
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4560cf
cmp eax, 0x10000
je 0x4560bb
cmp eax, 0x14000
je 0x4560bb
cmp eax, 0x20000
je 0x4560c9
cmp eax, 0x24000
je 0x4560c9
cmp eax, 0x40000
je 0x4560b5
cmp eax, 0x44000
jne 0x4560d2
mov byte [ebp - 2], 1
jmp 0x4560d2
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4560d2
mov byte [ebp - 2], 2
jmp 0x4560d2
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x45612a
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x45612a
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x456284
cmp eax, 0x80000000
je 0x45624b
cmp eax, ecx
jne 0x45612a
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x45612a
cmp eax, 2
jbe 0x45632c
cmp eax, 4
jbe 0x45621d
cmp eax, 5
je 0x45632c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5226a0]
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 + 0x5226a0]
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 0x45619c
test byte [ebp + 0x10], 8
je 0x45619c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5226a0]
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 0x4563ab
test byte [ebp + 0x10], 1
je 0x4563ab
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 0x456394
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00445f7e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5226a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0045135e
pop ecx
jmp 0x455f12
push 2
push ebx
push ebx
push dword [esi]
call fcn.00450f05
add esp, 0x10
or eax, edx
je 0x45632c
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00450f05
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x45600c
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004578dc
add esp, 0xc
cmp eax, 0xffffffff
je 0x45600c
cmp eax, 2
je 0x4562d0
cmp eax, 3
jne 0x45631e
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4562d0
mov byte [ebp - 2], 1
jmp 0x45612a
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x45612a
cmp eax, 2
jbe 0x45632c
cmp eax, 4
ja 0x456121
push 2
push ebx
push ebx
push dword [esi]
call fcn.00450f05
add esp, 0x10
or eax, edx
je 0x45632c
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00450f05
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x45612a
jmp 0x45600c
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4562f8
push dword [esi]
call fcn.0044cb81
pop ecx
call fcn.00445f58
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4563ad
cmp eax, 0xfeff
jne 0x45631e
push ebx
push 2
push dword [esi]
call fcn.00457f9a
add esp, 0xc
cmp eax, 0xffffffff
je 0x45600c
mov byte [ebp - 2], 2
jmp 0x45612a
push ebx
push ebx
push dword [esi]
call fcn.00457f9a
add esp, 0xc
jmp 0x4562c2
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x45634c
dec eax
jne 0x45612a
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x45635a
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.00445e14
add esp, 0xc
cmp eax, 0xffffffff
je 0x456380
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x45635a
jmp 0x45612a
push dword [esi]
call fcn.0044cb81
pop ecx
call fcn.00445f58
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4563ad
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5226a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret