Function at 0x4b2098
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 0x4b20c7
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4b20d1
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004b370f
test eax, eax
pop ecx
je 0x4b20ec
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004932e6
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004a3da4
test eax, eax
pop ecx
je 0x4b2107
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004932e6
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4b2124
test ecx, 0x74000
jne 0x4b2120
cmp dword [ebp - 0x24], eax
je 0x4b2124
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4b217e
dec eax
je 0x4b2168
dec eax
je 0x4b2163
call fcn.00497f81
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00497f6e
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004933e2
add esp, 0x14
jmp 0x4b2730
mov dword [ebp - 8], edx
jmp 0x4b2181
test cl, 8
je 0x4b2175
test ecx, 0x70000
jne 0x4b2163
mov dword [ebp - 8], 0x40000000
jmp 0x4b2181
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4b21c2
sub eax, ecx
je 0x4b21b9
sub eax, ecx
je 0x4b21b0
sub eax, ecx
je 0x4b21a7
sub eax, 0x40
jne 0x4b213d
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4b21c5
mov dword [ebp - 0x10], 3
jmp 0x4b21c5
mov dword [ebp - 0x10], 2
jmp 0x4b21c5
mov dword [ebp - 0x10], 1
jmp 0x4b21c5
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 0x4b2218
je 0x4b220f
cmp eax, ebx
je 0x4b220f
cmp eax, edi
je 0x4b2206
cmp eax, 0x200
je 0x4b228b
cmp eax, 0x300
jne 0x4b213d
mov dword [ebp - 0x14], 2
jmp 0x4b2235
mov dword [ebp - 0x14], 4
jmp 0x4b2235
mov dword [ebp - 0x14], 3
jmp 0x4b2235
cmp eax, 0x500
je 0x4b222e
cmp eax, 0x600
je 0x4b228b
cmp eax, edx
jne 0x4b213d
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4b2259
mov ecx, dword [0x519eb8]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4b2259
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4b2275
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4b2275
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4b227e
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4b2294
or dword [ebp - 0xc], 0x8000000
jmp 0x4b229f
mov dword [ebp - 0x14], 5
jmp 0x4b2235
test al, 0x10
je 0x4b229f
or dword [ebp - 0xc], 0x10000000
call fcn.004b1038
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4b22c5
call fcn.00497f81
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00497f6e
mov dword [eax], 0x18
jmp 0x4b2353
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 0x4b235f
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4b232b
test byte [ebp + 0x10], 1
je 0x4b232b
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 0x4b235f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x51c260]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.00497f94
pop ecx
call fcn.00497f6e
mov eax, dword [eax]
jmp 0x4b27ec
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_GetFileType]
cmp eax, ebx
jne 0x4b23b0
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x51c260]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
mov esi, eax
push esi
call fcn.00497f94
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_CloseHandle]
cmp esi, ebx
jne 0x4b2353
call fcn.00497f6e
mov dword [eax], 0xd
jmp 0x4b2353
cmp eax, 2
jne 0x4b23bb
or byte [ebp - 1], 0x40
jmp 0x4b23c4
cmp eax, 3
jne 0x4b23c4
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004b0e07
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x51c260]
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 + 0x51c260]
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 0x4b2499
test cl, 0x80
je 0x4b2569
test byte [ebp + 0x10], 2
je 0x4b2499
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004aacdc
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4b2458
call fcn.00497f81
cmp dword [eax], 0x83
je 0x4b2499
push dword [esi]
call fcn.004a8f6e
jmp 0x4b2352
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004a8883
add esp, 0xc
test eax, eax
jne 0x4b2489
cmp byte [ebp - 4], 0x1a
jne 0x4b2489
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004b349f
add esp, 0xc
cmp eax, edi
je 0x4b244c
push ebx
push ebx
push dword [esi]
call fcn.004aacdc
add esp, 0xc
cmp eax, edi
je 0x4b244c
test byte [ebp - 1], 0x80
je 0x4b2569
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4b24c1
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4b24be
or dword [ebp + 0x10], edi
jmp 0x4b24c1
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4b250e
cmp eax, 0x10000
je 0x4b24fa
cmp eax, 0x14000
je 0x4b24fa
cmp eax, 0x20000
je 0x4b2508
cmp eax, 0x24000
je 0x4b2508
cmp eax, 0x40000
je 0x4b24f4
cmp eax, 0x44000
jne 0x4b2511
mov byte [ebp - 2], 1
jmp 0x4b2511
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4b2511
mov byte [ebp - 2], 2
jmp 0x4b2511
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4b2569
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4b2569
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4b26c3
cmp eax, 0x80000000
je 0x4b268a
cmp eax, ecx
jne 0x4b2569
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4b2569
cmp eax, 2
jbe 0x4b276b
cmp eax, 4
jbe 0x4b265c
cmp eax, 5
je 0x4b276b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x51c260]
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 + 0x51c260]
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 0x4b25db
test byte [ebp + 0x10], 8
je 0x4b25db
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x51c260]
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 0x4b27ea
test byte [ebp + 0x10], 1
je 0x4b27ea
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 0x4b27d3
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.00497f94
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x51c260]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004b0e84
pop ecx
jmp 0x4b2352
push 2
push ebx
push ebx
push dword [esi]
call fcn.004adca0
add esp, 0x10
or eax, edx
je 0x4b276b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004adca0
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4b244c
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004a8883
add esp, 0xc
cmp eax, 0xffffffff
je 0x4b244c
cmp eax, 2
je 0x4b270f
cmp eax, 3
jne 0x4b275d
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4b270f
mov byte [ebp - 2], 1
jmp 0x4b2569
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4b2569
cmp eax, 2
jbe 0x4b276b
cmp eax, 4
ja 0x4b2560
push 2
push ebx
push ebx
push dword [esi]
call fcn.004adca0
add esp, 0x10
or eax, edx
je 0x4b276b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004adca0
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4b2569
jmp 0x4b244c
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4b2737
push dword [esi]
call fcn.004a8f6e
pop ecx
call fcn.00497f6e
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4b27ec
cmp eax, 0xfeff
jne 0x4b275d
push ebx
push 2
push dword [esi]
call fcn.004aacdc
add esp, 0xc
cmp eax, 0xffffffff
je 0x4b244c
mov byte [ebp - 2], 2
jmp 0x4b2569
push ebx
push ebx
push dword [esi]
call fcn.004aacdc
add esp, 0xc
jmp 0x4b2701
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4b278b
dec eax
jne 0x4b2569
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4b2799
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.004ac0fa
add esp, 0xc
cmp eax, 0xffffffff
je 0x4b27bf
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4b2799
jmp 0x4b2569
push dword [esi]
call fcn.004a8f6e
pop ecx
call fcn.00497f6e
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4b27ec
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x51c260]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret