Function at 0x6f4fc5
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 0x6f4ff4
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x6f4ffe
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.006f7c59
test eax, eax
pop ecx
je 0x6f5019
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.006de437
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.006e680a
test eax, eax
pop ecx
je 0x6f5034
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.006de437
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x6f5051
test ecx, 0x74000
jne 0x6f504d
cmp dword [ebp - 0x24], eax
je 0x6f5051
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x6f50ab
dec eax
je 0x6f5095
dec eax
je 0x6f5090
call fcn.006e378c
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.006e3779
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.006de533
add esp, 0x14
jmp 0x6f565e
mov dword [ebp - 8], edx
jmp 0x6f50ae
test cl, 8
je 0x6f50a2
test ecx, 0x70000
jne 0x6f5090
mov dword [ebp - 8], 0x40000000
jmp 0x6f50ae
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x6f50ef
sub eax, ecx
je 0x6f50e6
sub eax, ecx
je 0x6f50dd
sub eax, ecx
je 0x6f50d4
sub eax, 0x40
jne 0x6f506a
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x6f50f2
mov dword [ebp - 0x10], 3
jmp 0x6f50f2
mov dword [ebp - 0x10], 2
jmp 0x6f50f2
mov dword [ebp - 0x10], 1
jmp 0x6f50f2
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, pe_nt_image_headers32
jg 0x6f5145
je 0x6f513c
cmp eax, ebx
je 0x6f513c
cmp eax, edi
je 0x6f5133
cmp eax, 0x200
je 0x6f51b8
cmp eax, 0x300
jne 0x6f506a
mov dword [ebp - 0x14], 2
jmp 0x6f5162
mov dword [ebp - 0x14], 4
jmp 0x6f5162
mov dword [ebp - 0x14], 3
jmp 0x6f5162
cmp eax, 0x500
je 0x6f515b
cmp eax, 0x600
je 0x6f51b8
cmp eax, edx
jne 0x6f506a
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x6f5186
mov ecx, dword [0x100cdae0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x6f5186
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x6f51a2
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x6f51a2
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x6f51ab
or dword [ebp - 0xc], edi
test al, 0x20
je 0x6f51c1
or dword [ebp - 0xc], 0x8000000
jmp 0x6f51cc
mov dword [ebp - 0x14], 5
jmp 0x6f5162
test al, 0x10
je 0x6f51cc
or dword [ebp - 0xc], 0x10000000
call fcn.006f5b74
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x6f51f2
call fcn.006e378c
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.006e3779
mov dword [eax], 0x18
jmp 0x6f5280
mov eax, dword [ebp + 8]
mov edi, dword [0x100a6358]
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 0x6f528c
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x6f5258
test byte [ebp + 0x10], 1
je 0x6f5258
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 0x6f528c
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x100cff80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [0x100a6300]
push eax
call fcn.006e379f
pop ecx
call fcn.006e3779
mov eax, dword [eax]
jmp 0x6f571a
push dword [ebp - 0x1c]
call dword [0x100a620c]
cmp eax, ebx
jne 0x6f52dd
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x100cff80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [0x100a6300]
mov esi, eax
push esi
call fcn.006e379f
pop ecx
push dword [ebp - 0x1c]
call dword [0x100a6378]
cmp esi, ebx
jne 0x6f5280
call fcn.006e3779
mov dword [eax], 0xd
jmp 0x6f5280
cmp eax, 2
jne 0x6f52e8
or byte [ebp - 1], 0x40
jmp 0x6f52f1
cmp eax, 3
jne 0x6f52f1
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.006f5943
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x100cff80]
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 + 0x100cff80]
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 0x6f53c7
test cl, 0x80
je 0x6f5497
test byte [ebp + 0x10], 2
je 0x6f53c7
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.006ed7fd
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x6f5385
call fcn.006e378c
cmp dword [eax], 0x83
je 0x6f53c7
push dword [esi]
call fcn.006ec3ce
jmp 0x6f527f
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.006ebce3
add esp, 0xc
test eax, eax
jne 0x6f53b7
cmp word [ebp - 0x2c], 0x1a
jne 0x6f53b7
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.006f79e9
add esp, 0xc
cmp eax, edi
je 0x6f5379
push ebx
push ebx
push dword [esi]
call fcn.006ed7fd
add esp, 0xc
cmp eax, edi
je 0x6f5379
test byte [ebp - 1], 0x80
je 0x6f5497
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x6f53ef
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x6f53ec
or dword [ebp + 0x10], edi
jmp 0x6f53ef
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x6f543c
cmp eax, 0x10000
je 0x6f5428
cmp eax, 0x14000
je 0x6f5428
cmp eax, 0x20000
je 0x6f5436
cmp eax, 0x24000
je 0x6f5436
cmp eax, 0x40000
je 0x6f5422
cmp eax, 0x44000
jne 0x6f543f
mov byte [ebp - 2], 1
jmp 0x6f543f
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x6f543f
mov byte [ebp - 2], 2
jmp 0x6f543f
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x6f5497
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x6f5497
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x6f55f1
cmp eax, 0x80000000
je 0x6f55b8
cmp eax, ecx
jne 0x6f5497
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x6f5497
cmp eax, 2
jbe 0x6f5699
cmp eax, 4
jbe 0x6f558a
cmp eax, 5
je 0x6f5699
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x100cff80]
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 + 0x100cff80]
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 0x6f5509
test byte [ebp + 0x10], 8
je 0x6f5509
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x100cff80]
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 0x6f5718
test byte [ebp + 0x10], 1
je 0x6f5718
push dword [ebp - 0x1c]
call dword [0x100a6378]
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 [0x100a6358]
cmp eax, 0xffffffff
jne 0x6f5701
call dword [0x100a6300]
push eax
call fcn.006e379f
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x100cff80]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.006f59c0
pop ecx
jmp 0x6f527f
push 2
push ebx
push ebx
push dword [esi]
call fcn.006f2bb0
add esp, 0x10
or eax, edx
je 0x6f5699
push ebx
push ebx
push ebx
push dword [esi]
call fcn.006f2bb0
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x6f5379
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.006ebce3
add esp, 0xc
cmp eax, 0xffffffff
je 0x6f5379
cmp eax, 2
je 0x6f563d
cmp eax, 3
jne 0x6f568b
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x6f563d
mov byte [ebp - 2], 1
jmp 0x6f5497
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x6f5497
cmp eax, 2
jbe 0x6f5699
cmp eax, 4
ja 0x6f548e
push 2
push ebx
push ebx
push dword [esi]
call fcn.006f2bb0
add esp, 0x10
or eax, edx
je 0x6f5699
push ebx
push ebx
push ebx
push dword [esi]
call fcn.006f2bb0
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x6f5497
jmp 0x6f5379
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x6f5665
push dword [esi]
call fcn.006ec3ce
pop ecx
call fcn.006e3779
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x6f571a
cmp eax, 0xfeff
jne 0x6f568b
push ebx
push 2
push dword [esi]
call fcn.006ed7fd
add esp, 0xc
cmp eax, 0xffffffff
je 0x6f5379
mov byte [ebp - 2], 2
jmp 0x6f5497
push ebx
push ebx
push dword [esi]
call fcn.006ed7fd
add esp, 0xc
jmp 0x6f562f
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x6f56b9
dec eax
jne 0x6f5497
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x6f56c7
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.006efcda
add esp, 0xc
cmp eax, 0xffffffff
je 0x6f56ed
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x6f56c7
jmp 0x6f5497
push dword [esi]
call fcn.006ec3ce
pop ecx
call fcn.006e3779
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x6f571a
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x100cff80]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret