Function at 0x1001f31d
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 0x1001f34c
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x1001f356
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.100214c4
test eax, eax
pop ecx
je 0x1001f371
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.100100e8
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.10014392
test eax, eax
pop ecx
je 0x1001f38c
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.100100e8
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x1001f3a9
test ecx, 0x74000
jne 0x1001f3a5
cmp dword [ebp - 0x24], eax
je 0x1001f3a9
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x1001f403
dec eax
je 0x1001f3ed
dec eax
je 0x1001f3e8
call fcn.100125c8
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.100125b5
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.100101e4
add esp, 0x14
jmp 0x1001f9b6
mov dword [ebp - 8], edx
jmp 0x1001f406
test cl, 8
je 0x1001f3fa
test ecx, 0x70000
jne 0x1001f3e8
mov dword [ebp - 8], 0x40000000
jmp 0x1001f406
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x1001f447
sub eax, ecx
je 0x1001f43e
sub eax, ecx
je 0x1001f435
sub eax, ecx
je 0x1001f42c
sub eax, 0x40
jne 0x1001f3c2
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x1001f44a
mov dword [ebp - 0x10], 3
jmp 0x1001f44a
mov dword [ebp - 0x10], 2
jmp 0x1001f44a
mov dword [ebp - 0x10], 1
jmp 0x1001f44a
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 0x1001f49d
je 0x1001f494
cmp eax, ebx
je 0x1001f494
cmp eax, edi
je 0x1001f48b
cmp eax, 0x200
je 0x1001f510
cmp eax, 0x300
jne 0x1001f3c2
mov dword [ebp - 0x14], 2
jmp 0x1001f4ba
mov dword [ebp - 0x14], 4
jmp 0x1001f4ba
mov dword [ebp - 0x14], 3
jmp 0x1001f4ba
cmp eax, 0x500
je 0x1001f4b3
cmp eax, 0x600
je 0x1001f510
cmp eax, edx
jne 0x1001f3c2
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x1001f4de
mov ecx, dword [0x10039234]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x1001f4de
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x1001f4fa
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x1001f4fa
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x1001f503
or dword [ebp - 0xc], edi
test al, 0x20
je 0x1001f519
or dword [ebp - 0xc], 0x8000000
jmp 0x1001f524
mov dword [ebp - 0x14], 5
jmp 0x1001f4ba
test al, 0x10
je 0x1001f524
or dword [ebp - 0xc], 0x10000000
call fcn.1001f0fd
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x1001f54a
call fcn.100125c8
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.100125b5
mov dword [eax], 0x18
jmp 0x1001f5d8
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 0x1001f5e4
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x1001f5b0
test byte [ebp + 0x10], 1
je 0x1001f5b0
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 0x1001f5e4
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x1003a580]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.100125db
pop ecx
call fcn.100125b5
mov eax, dword [eax]
jmp 0x1001fa72
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x1001f635
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x1003a580]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.100125db
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x1001f5d8
call fcn.100125b5
mov dword [eax], 0xd
jmp 0x1001f5d8
cmp eax, 2
jne 0x1001f640
or byte [ebp - 1], 0x40
jmp 0x1001f649
cmp eax, 3
jne 0x1001f649
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.1001eecc
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x1003a580]
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 + 0x1003a580]
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 0x1001f71f
test cl, 0x80
je 0x1001f7ef
test byte [ebp + 0x10], 2
je 0x1001f71f
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.10021396
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x1001f6dd
call fcn.100125c8
cmp dword [eax], 0x83
je 0x1001f71f
push dword [esi]
call fcn.100180dc
jmp 0x1001f5d7
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.10020dd5
add esp, 0xc
test eax, eax
jne 0x1001f70f
cmp word [ebp - 0x2c], 0x1a
jne 0x1001f70f
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.10020c21
add esp, 0xc
cmp eax, edi
je 0x1001f6d1
push ebx
push ebx
push dword [esi]
call fcn.10021396
add esp, 0xc
cmp eax, edi
je 0x1001f6d1
test byte [ebp - 1], 0x80
je 0x1001f7ef
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x1001f747
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x1001f744
or dword [ebp + 0x10], edi
jmp 0x1001f747
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x1001f794
cmp eax, 0x10000
je 0x1001f780
cmp eax, 0x14000
je 0x1001f780
cmp eax, 0x20000
je 0x1001f78e
cmp eax, 0x24000
je 0x1001f78e
cmp eax, 0x40000
je 0x1001f77a
cmp eax, 0x44000
jne 0x1001f797
mov byte [ebp - 2], 1
jmp 0x1001f797
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x1001f797
mov byte [ebp - 2], 2
jmp 0x1001f797
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x1001f7ef
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x1001f7ef
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x1001f949
cmp eax, 0x80000000
je 0x1001f910
cmp eax, ecx
jne 0x1001f7ef
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x1001f7ef
cmp eax, 2
jbe 0x1001f9f1
cmp eax, 4
jbe 0x1001f8e2
cmp eax, 5
je 0x1001f9f1
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x1003a580]
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 + 0x1003a580]
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 0x1001f861
test byte [ebp + 0x10], 8
je 0x1001f861
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x1003a580]
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 0x1001fa70
test byte [ebp + 0x10], 1
je 0x1001fa70
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 0x1001fa59
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.100125db
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x1003a580]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.1001ef49
pop ecx
jmp 0x1001f5d7
push 2
push ebx
push ebx
push dword [esi]
call fcn.1001e159
add esp, 0x10
or eax, edx
je 0x1001f9f1
push ebx
push ebx
push ebx
push dword [esi]
call fcn.1001e159
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x1001f6d1
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.10020dd5
add esp, 0xc
cmp eax, 0xffffffff
je 0x1001f6d1
cmp eax, 2
je 0x1001f995
cmp eax, 3
jne 0x1001f9e3
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x1001f995
mov byte [ebp - 2], 1
jmp 0x1001f7ef
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x1001f7ef
cmp eax, 2
jbe 0x1001f9f1
cmp eax, 4
ja 0x1001f7e6
push 2
push ebx
push ebx
push dword [esi]
call fcn.1001e159
add esp, 0x10
or eax, edx
je 0x1001f9f1
push ebx
push ebx
push ebx
push dword [esi]
call fcn.1001e159
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x1001f7ef
jmp 0x1001f6d1
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x1001f9bd
push dword [esi]
call fcn.100180dc
pop ecx
call fcn.100125b5
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x1001fa72
cmp eax, 0xfeff
jne 0x1001f9e3
push ebx
push 2
push dword [esi]
call fcn.10021396
add esp, 0xc
cmp eax, 0xffffffff
je 0x1001f6d1
mov byte [ebp - 2], 2
jmp 0x1001f7ef
push ebx
push ebx
push dword [esi]
call fcn.10021396
add esp, 0xc
jmp 0x1001f987
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x1001fa11
dec eax
jne 0x1001f7ef
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x1001fa1f
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.1001a27f
add esp, 0xc
cmp eax, 0xffffffff
je 0x1001fa45
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x1001fa1f
jmp 0x1001f7ef
push dword [esi]
call fcn.100180dc
pop ecx
call fcn.100125b5
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x1001fa72
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x1003a580]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret