Function at 0x430aad
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 0x430adc
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x430ae6
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0043328a
test eax, eax
pop ecx
je 0x430b01
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00421ada
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00422ea6
test eax, eax
pop ecx
je 0x430b1c
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00421ada
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x430b39
test ecx, 0x74000
jne 0x430b35
cmp dword [ebp - 0x24], eax
je 0x430b39
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x430b93
dec eax
je 0x430b7d
dec eax
je 0x430b78
call fcn.00423539
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00423526
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00421bd6
add esp, 0x14
jmp 0x431145
mov dword [ebp - 8], edx
jmp 0x430b96
test cl, 8
je 0x430b8a
test ecx, 0x70000
jne 0x430b78
mov dword [ebp - 8], 0x40000000
jmp 0x430b96
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x430bd7
sub eax, ecx
je 0x430bce
sub eax, ecx
je 0x430bc5
sub eax, ecx
je 0x430bbc
sub eax, 0x40
jne 0x430b52
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x430bda
mov dword [ebp - 0x10], 3
jmp 0x430bda
mov dword [ebp - 0x10], 2
jmp 0x430bda
mov dword [ebp - 0x10], 1
jmp 0x430bda
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 0x430c2d
je 0x430c24
cmp eax, ebx
je 0x430c24
cmp eax, edi
je 0x430c1b
cmp eax, 0x200
je 0x430ca0
cmp eax, 0x300
jne 0x430b52
mov dword [ebp - 0x14], 2
jmp 0x430c4a
mov dword [ebp - 0x14], 4
jmp 0x430c4a
mov dword [ebp - 0x14], 3
jmp 0x430c4a
cmp eax, 0x500
je 0x430c43
cmp eax, 0x600
je 0x430ca0
cmp eax, edx
jne 0x430b52
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x430c6e
mov ecx, dword [0x44d9c4]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x430c6e
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x430c8a
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x430c8a
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x430c93
or dword [ebp - 0xc], edi
test al, 0x20
je 0x430ca9
or dword [ebp - 0xc], 0x8000000
jmp 0x430cb4
mov dword [ebp - 0x14], 5
jmp 0x430c4a
test al, 0x10
je 0x430cb4
or dword [ebp - 0xc], 0x10000000
call fcn.0043078e
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x430cda
call fcn.00423539
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00423526
mov dword [eax], 0x18
jmp 0x430d68
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 0x430d74
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x430d40
test byte [ebp + 0x10], 1
je 0x430d40
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 0x430d74
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x44e520]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042354c
pop ecx
call fcn.00423526
mov eax, dword [eax]
jmp 0x431201
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x430dc5
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x44e520]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0042354c
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x430d68
call fcn.00423526
mov dword [eax], 0xd
jmp 0x430d68
cmp eax, 2
jne 0x430dd0
or byte [ebp - 1], 0x40
jmp 0x430dd9
cmp eax, 3
jne 0x430dd9
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0043055d
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x44e520]
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 + 0x44e520]
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 0x430eae
test cl, 0x80
je 0x430f7e
test byte [ebp + 0x10], 2
je 0x430eae
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00426cf4
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x430e6d
call fcn.00423539
cmp dword [eax], 0x83
je 0x430eae
push dword [esi]
call fcn.00426812
jmp 0x430d67
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004276c7
add esp, 0xc
test eax, eax
jne 0x430e9e
cmp byte [ebp - 4], 0x1a
jne 0x430e9e
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0043301a
add esp, 0xc
cmp eax, edi
je 0x430e61
push ebx
push ebx
push dword [esi]
call fcn.00426cf4
add esp, 0xc
cmp eax, edi
je 0x430e61
test byte [ebp - 1], 0x80
je 0x430f7e
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x430ed6
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x430ed3
or dword [ebp + 0x10], edi
jmp 0x430ed6
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x430f23
cmp eax, 0x10000
je 0x430f0f
cmp eax, 0x14000
je 0x430f0f
cmp eax, 0x20000
je 0x430f1d
cmp eax, 0x24000
je 0x430f1d
cmp eax, 0x40000
je 0x430f09
cmp eax, 0x44000
jne 0x430f26
mov byte [ebp - 2], 1
jmp 0x430f26
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x430f26
mov byte [ebp - 2], 2
jmp 0x430f26
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x430f7e
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x430f7e
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4310d8
cmp eax, 0x80000000
je 0x43109f
cmp eax, ecx
jne 0x430f7e
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x430f7e
cmp eax, 2
jbe 0x431180
cmp eax, 4
jbe 0x431071
cmp eax, 5
je 0x431180
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x44e520]
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 + 0x44e520]
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 0x430ff0
test byte [ebp + 0x10], 8
je 0x430ff0
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x44e520]
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 0x4311ff
test byte [ebp + 0x10], 1
je 0x4311ff
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 0x4311e8
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042354c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x44e520]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004305da
pop ecx
jmp 0x430d67
push 2
push ebx
push ebx
push dword [esi]
call fcn.0043169b
add esp, 0x10
or eax, edx
je 0x431180
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0043169b
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x430e61
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004276c7
add esp, 0xc
cmp eax, 0xffffffff
je 0x430e61
cmp eax, 2
je 0x431124
cmp eax, 3
jne 0x431172
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x431124
mov byte [ebp - 2], 1
jmp 0x430f7e
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x430f7e
cmp eax, 2
jbe 0x431180
cmp eax, 4
ja 0x430f75
push 2
push ebx
push ebx
push dword [esi]
call fcn.0043169b
add esp, 0x10
or eax, edx
je 0x431180
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0043169b
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x430f7e
jmp 0x430e61
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x43114c
push dword [esi]
call fcn.00426812
pop ecx
call fcn.00423526
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x431201
cmp eax, 0xfeff
jne 0x431172
push ebx
push 2
push dword [esi]
call fcn.00426cf4
add esp, 0xc
cmp eax, 0xffffffff
je 0x430e61
mov byte [ebp - 2], 2
jmp 0x430f7e
push ebx
push ebx
push dword [esi]
call fcn.00426cf4
add esp, 0xc
jmp 0x431116
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4311a0
dec eax
jne 0x430f7e
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4311ae
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.004284ab
add esp, 0xc
cmp eax, 0xffffffff
je 0x4311d4
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4311ae
jmp 0x430f7e
push dword [esi]
call fcn.00426812
pop ecx
call fcn.00423526
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x431201
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x44e520]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret