Function at 0x4bc215
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 0x4bc244
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4bc24e
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004bf04c
test eax, eax
pop ecx
je 0x4bc269
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0049eba8
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004a7a1a
test eax, eax
pop ecx
je 0x4bc284
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0049eba8
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4bc2a1
test ecx, 0x74000
jne 0x4bc29d
cmp dword [ebp - 0x24], eax
je 0x4bc2a1
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x4bc2fb
dec eax
je 0x4bc2e5
dec eax
je 0x4bc2e0
call fcn.004a62fa
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004a62e7
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0049eca4
add esp, 0x14
jmp 0x4bc8ad
mov dword [ebp - 8], edx
jmp 0x4bc2fe
test cl, 8
je 0x4bc2f2
test ecx, 0x70000
jne 0x4bc2e0
mov dword [ebp - 8], 0x40000000
jmp 0x4bc2fe
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4bc33f
sub eax, ecx
je 0x4bc336
sub eax, ecx
je 0x4bc32d
sub eax, ecx
je 0x4bc324
sub eax, 0x40
jne 0x4bc2ba
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4bc342
mov dword [ebp - 0x10], 3
jmp 0x4bc342
mov dword [ebp - 0x10], 2
jmp 0x4bc342
mov dword [ebp - 0x10], 1
jmp 0x4bc342
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 0x4bc395
je 0x4bc38c
cmp eax, ebx
je 0x4bc38c
cmp eax, edi
je 0x4bc383
cmp eax, 0x200
je 0x4bc408
cmp eax, 0x300
jne 0x4bc2ba
mov dword [ebp - 0x14], 2
jmp 0x4bc3b2
mov dword [ebp - 0x14], 4
jmp 0x4bc3b2
mov dword [ebp - 0x14], 3
jmp 0x4bc3b2
cmp eax, 0x500
je 0x4bc3ab
cmp eax, 0x600
je 0x4bc408
cmp eax, edx
jne 0x4bc2ba
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4bc3d6
mov ecx, dword [0x603634]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4bc3d6
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4bc3f2
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4bc3f2
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4bc3fb
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4bc411
or dword [ebp - 0xc], 0x8000000
jmp 0x4bc41c
mov dword [ebp - 0x14], 5
jmp 0x4bc3b2
test al, 0x10
je 0x4bc41c
or dword [ebp - 0xc], 0x10000000
call fcn.004bb51c
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4bc442
call fcn.004a62fa
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004a62e7
mov dword [eax], 0x18
jmp 0x4bc4d0
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 0x4bc4dc
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4bc4a8
test byte [ebp + 0x10], 1
je 0x4bc4a8
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 0x4bc4dc
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x607700]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004a630d
pop ecx
call fcn.004a62e7
mov eax, dword [eax]
jmp 0x4bc969
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4bc52d
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x607700]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004a630d
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4bc4d0
call fcn.004a62e7
mov dword [eax], 0xd
jmp 0x4bc4d0
cmp eax, 2
jne 0x4bc538
or byte [ebp - 1], 0x40
jmp 0x4bc541
cmp eax, 3
jne 0x4bc541
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004bb2eb
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x607700]
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 + 0x607700]
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 0x4bc616
test cl, 0x80
je 0x4bc6e6
test byte [ebp + 0x10], 2
je 0x4bc616
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004b724b
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4bc5d5
call fcn.004a62fa
cmp dword [eax], 0x83
je 0x4bc616
push dword [esi]
call fcn.004b4a76
jmp 0x4bc4cf
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004b757c
add esp, 0xc
test eax, eax
jne 0x4bc606
cmp byte [ebp - 4], 0x1a
jne 0x4bc606
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004beddc
add esp, 0xc
cmp eax, edi
je 0x4bc5c9
push ebx
push ebx
push dword [esi]
call fcn.004b724b
add esp, 0xc
cmp eax, edi
je 0x4bc5c9
test byte [ebp - 1], 0x80
je 0x4bc6e6
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4bc63e
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4bc63b
or dword [ebp + 0x10], edi
jmp 0x4bc63e
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4bc68b
cmp eax, 0x10000
je 0x4bc677
cmp eax, 0x14000
je 0x4bc677
cmp eax, 0x20000
je 0x4bc685
cmp eax, 0x24000
je 0x4bc685
cmp eax, 0x40000
je 0x4bc671
cmp eax, 0x44000
jne 0x4bc68e
mov byte [ebp - 2], 1
jmp 0x4bc68e
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4bc68e
mov byte [ebp - 2], 2
jmp 0x4bc68e
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4bc6e6
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4bc6e6
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4bc840
cmp eax, 0x80000000
je 0x4bc807
cmp eax, ecx
jne 0x4bc6e6
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4bc6e6
cmp eax, 2
jbe 0x4bc8e8
cmp eax, 4
jbe 0x4bc7d9
cmp eax, 5
je 0x4bc8e8
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x607700]
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 + 0x607700]
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 0x4bc758
test byte [ebp + 0x10], 8
je 0x4bc758
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x607700]
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 0x4bc967
test byte [ebp + 0x10], 1
je 0x4bc967
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 0x4bc950
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004a630d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x607700]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004bb368
pop ecx
jmp 0x4bc4cf
push 2
push ebx
push ebx
push dword [esi]
call fcn.004b9773
add esp, 0x10
or eax, edx
je 0x4bc8e8
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004b9773
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4bc5c9
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004b757c
add esp, 0xc
cmp eax, 0xffffffff
je 0x4bc5c9
cmp eax, 2
je 0x4bc88c
cmp eax, 3
jne 0x4bc8da
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4bc88c
mov byte [ebp - 2], 1
jmp 0x4bc6e6
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4bc6e6
cmp eax, 2
jbe 0x4bc8e8
cmp eax, 4
ja 0x4bc6dd
push 2
push ebx
push ebx
push dword [esi]
call fcn.004b9773
add esp, 0x10
or eax, edx
je 0x4bc8e8
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004b9773
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4bc6e6
jmp 0x4bc5c9
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4bc8b4
push dword [esi]
call fcn.004b4a76
pop ecx
call fcn.004a62e7
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4bc969
cmp eax, 0xfeff
jne 0x4bc8da
push ebx
push 2
push dword [esi]
call fcn.004b724b
add esp, 0xc
cmp eax, 0xffffffff
je 0x4bc5c9
mov byte [ebp - 2], 2
jmp 0x4bc6e6
push ebx
push ebx
push dword [esi]
call fcn.004b724b
add esp, 0xc
jmp 0x4bc87e
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4bc908
dec eax
jne 0x4bc6e6
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4bc916
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.004b5397
add esp, 0xc
cmp eax, 0xffffffff
je 0x4bc93c
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4bc916
jmp 0x4bc6e6
push dword [esi]
call fcn.004b4a76
pop ecx
call fcn.004a62e7
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4bc969
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x607700]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret