Function at 0x6d2147
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 0x6d2176
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x6d2180
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.006ce235
test eax, eax
pop ecx
je 0x6d219b
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0054b756
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0054ed57
test eax, eax
pop ecx
je 0x6d21b6
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0054b756
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x6d21d3
test ecx, 0x74000
jne 0x6d21cf
cmp dword [ebp - 0x24], eax
je 0x6d21d3
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x6d222d
dec eax
je 0x6d2217
dec eax
je 0x6d2212
call fcn.0054e132
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0054e11f
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0054b852
add esp, 0x14
jmp 0x6d27df
mov dword [ebp - 8], edx
jmp 0x6d2230
test cl, 8
je 0x6d2224
test ecx, 0x70000
jne 0x6d2212
mov dword [ebp - 8], 0x40000000
jmp 0x6d2230
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x6d2271
sub eax, ecx
je 0x6d2268
sub eax, ecx
je 0x6d225f
sub eax, ecx
je 0x6d2256
sub eax, 0x40
jne 0x6d21ec
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x6d2274
mov dword [ebp - 0x10], 3
jmp 0x6d2274
mov dword [ebp - 0x10], 2
jmp 0x6d2274
mov dword [ebp - 0x10], 1
jmp 0x6d2274
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 0x6d22c7
je 0x6d22be
cmp eax, ebx
je 0x6d22be
cmp eax, edi
je 0x6d22b5
cmp eax, 0x200
je 0x6d233a
cmp eax, 0x300
jne 0x6d21ec
mov dword [ebp - 0x14], 2
jmp 0x6d22e4
mov dword [ebp - 0x14], 4
jmp 0x6d22e4
mov dword [ebp - 0x14], 3
jmp 0x6d22e4
cmp eax, 0x500
je 0x6d22dd
cmp eax, 0x600
je 0x6d233a
cmp eax, edx
jne 0x6d21ec
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x6d2308
mov ecx, dword [0x84ccc4]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x6d2308
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x6d2324
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x6d2324
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x6d232d
or dword [ebp - 0xc], edi
test al, 0x20
je 0x6d2343
or dword [ebp - 0xc], 0x8000000
jmp 0x6d234e
mov dword [ebp - 0x14], 5
jmp 0x6d22e4
test al, 0x10
je 0x6d234e
or dword [ebp - 0xc], 0x10000000
call fcn.00565f4d
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x6d2374
call fcn.0054e132
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0054e11f
mov dword [eax], 0x18
jmp 0x6d2402
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 0x6d240e
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x6d23da
test byte [ebp + 0x10], 1
je 0x6d23da
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 0x6d240e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x9ba5a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0054e145
pop ecx
call fcn.0054e11f
mov eax, dword [eax]
jmp 0x6d289b
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x6d245f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x9ba5a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0054e145
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x6d2402
call fcn.0054e11f
mov dword [eax], 0xd
jmp 0x6d2402
cmp eax, 2
jne 0x6d246a
or byte [ebp - 1], 0x40
jmp 0x6d2473
cmp eax, 3
jne 0x6d2473
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00565d1c
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x9ba5a0]
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 + 0x9ba5a0]
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 0x6d2548
test cl, 0x80
je 0x6d2618
test byte [ebp + 0x10], 2
je 0x6d2548
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.006d1ff9
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x6d2507
call fcn.0054e132
cmp dword [eax], 0x83
je 0x6d2548
push dword [esi]
call fcn.0056ada1
jmp 0x6d2401
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00569ec6
add esp, 0xc
test eax, eax
jne 0x6d2538
cmp byte [ebp - 4], 0x1a
jne 0x6d2538
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.006d6034
add esp, 0xc
cmp eax, edi
je 0x6d24fb
push ebx
push ebx
push dword [esi]
call fcn.006d1ff9
add esp, 0xc
cmp eax, edi
je 0x6d24fb
test byte [ebp - 1], 0x80
je 0x6d2618
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x6d2570
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x6d256d
or dword [ebp + 0x10], edi
jmp 0x6d2570
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x6d25bd
cmp eax, 0x10000
je 0x6d25a9
cmp eax, 0x14000
je 0x6d25a9
cmp eax, 0x20000
je 0x6d25b7
cmp eax, 0x24000
je 0x6d25b7
cmp eax, 0x40000
je 0x6d25a3
cmp eax, 0x44000
jne 0x6d25c0
mov byte [ebp - 2], 1
jmp 0x6d25c0
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x6d25c0
mov byte [ebp - 2], 2
jmp 0x6d25c0
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x6d2618
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x6d2618
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x6d2772
cmp eax, 0x80000000
je 0x6d2739
cmp eax, ecx
jne 0x6d2618
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x6d2618
cmp eax, 2
jbe 0x6d281a
cmp eax, 4
jbe 0x6d270b
cmp eax, 5
je 0x6d281a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x9ba5a0]
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 + 0x9ba5a0]
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 0x6d268a
test byte [ebp + 0x10], 8
je 0x6d268a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x9ba5a0]
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 0x6d2899
test byte [ebp + 0x10], 1
je 0x6d2899
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 0x6d2882
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0054e145
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x9ba5a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00565d99
pop ecx
jmp 0x6d2401
push 2
push ebx
push ebx
push dword [esi]
call fcn.0055f6ce
add esp, 0x10
or eax, edx
je 0x6d281a
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0055f6ce
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x6d24fb
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00569ec6
add esp, 0xc
cmp eax, 0xffffffff
je 0x6d24fb
cmp eax, 2
je 0x6d27be
cmp eax, 3
jne 0x6d280c
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x6d27be
mov byte [ebp - 2], 1
jmp 0x6d2618
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x6d2618
cmp eax, 2
jbe 0x6d281a
cmp eax, 4
ja 0x6d260f
push 2
push ebx
push ebx
push dword [esi]
call fcn.0055f6ce
add esp, 0x10
or eax, edx
je 0x6d281a
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0055f6ce
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x6d2618
jmp 0x6d24fb
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x6d27e6
push dword [esi]
call fcn.0056ada1
pop ecx
call fcn.0054e11f
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x6d289b
cmp eax, 0xfeff
jne 0x6d280c
push ebx
push 2
push dword [esi]
call fcn.006d1ff9
add esp, 0xc
cmp eax, 0xffffffff
je 0x6d24fb
mov byte [ebp - 2], 2
jmp 0x6d2618
push ebx
push ebx
push dword [esi]
call fcn.006d1ff9
add esp, 0xc
jmp 0x6d27b0
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x6d283a
dec eax
jne 0x6d2618
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x6d2848
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.0055fe30
add esp, 0xc
cmp eax, 0xffffffff
je 0x6d286e
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x6d2848
jmp 0x6d2618
push dword [esi]
call fcn.0056ada1
pop ecx
call fcn.0054e11f
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x6d289b
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x9ba5a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret