Function at 0x430b52
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 0x430b81
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x430b8b
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00432189
test eax, eax
pop ecx
je 0x430ba6
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0041fa20
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0041f53b
test eax, eax
pop ecx
je 0x430bc1
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0041fa20
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x430bde
test ecx, 0x74000
jne 0x430bda
cmp dword [ebp - 0x24], eax
je 0x430bde
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, connect
je 0x430c38
dec eax
je 0x430c22
dec eax
je 0x430c1d
call fcn.00421818
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00421805
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0041fb1c
add esp, 0x14
jmp 0x4311ea
mov dword [ebp - 8], edx
jmp 0x430c3b
test cl, 8
je 0x430c2f
test ecx, 0x70000
jne 0x430c1d
mov dword [ebp - 8], 0x40000000
jmp 0x430c3b
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x430c7c
sub eax, ecx
je 0x430c73
sub eax, ecx
je 0x430c6a
sub eax, ecx
je 0x430c61
sub eax, 0x40
jne 0x430bf7
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x430c7f
mov dword [ebp - 0x10], 3
jmp 0x430c7f
mov dword [ebp - 0x10], 2
jmp 0x430c7f
mov dword [ebp - 0x10], 1
jmp 0x430c7f
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 0x430cd2
je 0x430cc9
cmp eax, ebx
je 0x430cc9
cmp eax, edi
je 0x430cc0
cmp eax, 0x200
je 0x430d45
cmp eax, 0x300
jne 0x430bf7
mov dword [ebp - 0x14], 2
jmp 0x430cef
mov dword [ebp - 0x14], 4
jmp 0x430cef
mov dword [ebp - 0x14], 3
jmp 0x430cef
cmp eax, 0x500
je 0x430ce8
cmp eax, 0x600
je 0x430d45
cmp eax, edx
jne 0x430bf7
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x430d13
mov ecx, dword [0x445020]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x430d13
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x430d2f
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x430d2f
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x430d38
or dword [ebp - 0xc], edi
test al, 0x20
je 0x430d4e
or dword [ebp - 0xc], 0x8000000
jmp 0x430d59
mov dword [ebp - 0x14], 5
jmp 0x430cef
test al, 0x10
je 0x430d59
or dword [ebp - 0xc], 0x10000000
call fcn.0042ff29
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x430d7f
call fcn.00421818
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00421805
mov dword [eax], 0x18
jmp 0x430e0d
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 0x430e19
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x430de5
test byte [ebp + 0x10], 1
je 0x430de5
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 0x430e19
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4460a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042182b
pop ecx
call fcn.00421805
mov eax, dword [eax]
jmp 0x4312a6
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x430e6a
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4460a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0042182b
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x430e0d
call fcn.00421805
mov dword [eax], 0xd
jmp 0x430e0d
cmp eax, 2
jne 0x430e75
or byte [ebp - 1], 0x40
jmp 0x430e7e
cmp eax, 3
jne 0x430e7e
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0042fcf8
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4460a0]
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 + 0x4460a0]
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 0x430f53
test cl, 0x80
je 0x431023
test byte [ebp + 0x10], 2
je 0x430f53
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0042c384
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x430f12
call fcn.00421818
cmp dword [eax], 0x83
je 0x430f53
push dword [esi]
call fcn.00428995
jmp 0x430e0c
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00429400
add esp, 0xc
test eax, eax
jne 0x430f43
cmp byte [ebp - 4], 0x1a
jne 0x430f43
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00431f19
add esp, 0xc
cmp eax, edi
je 0x430f06
push ebx
push ebx
push dword [esi]
call fcn.0042c384
add esp, 0xc
cmp eax, edi
je 0x430f06
test byte [ebp - 1], 0x80
je 0x431023
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x430f7b
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x430f78
or dword [ebp + 0x10], edi
jmp 0x430f7b
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x430fc8
cmp eax, 0x10000
je 0x430fb4
cmp eax, 0x14000
je 0x430fb4
cmp eax, 0x20000
je 0x430fc2
cmp eax, 0x24000
je 0x430fc2
cmp eax, 0x40000
je 0x430fae
cmp eax, 0x44000
jne 0x430fcb
mov byte [ebp - 2], 1
jmp 0x430fcb
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x430fcb
mov byte [ebp - 2], 2
jmp 0x430fcb
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x431023
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x431023
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x43117d
cmp eax, 0x80000000
je 0x431144
cmp eax, ecx
jne 0x431023
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x431023
cmp eax, 2
jbe 0x431225
cmp eax, 4
jbe 0x431116
cmp eax, 5
je 0x431225
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4460a0]
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 + 0x4460a0]
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 0x431095
test byte [ebp + 0x10], 8
je 0x431095
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4460a0]
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 0x4312a4
test byte [ebp + 0x10], 1
je 0x4312a4
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 0x43128d
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042182b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4460a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0042fd75
pop ecx
jmp 0x430e0c
push 2
push ebx
push ebx
push dword [esi]
call fcn.0042e327
add esp, 0x10
or eax, edx
je 0x431225
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0042e327
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x430f06
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00429400
add esp, 0xc
cmp eax, 0xffffffff
je 0x430f06
cmp eax, 2
je 0x4311c9
cmp eax, 3
jne 0x431217
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4311c9
mov byte [ebp - 2], 1
jmp 0x431023
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x431023
cmp eax, 2
jbe 0x431225
cmp eax, 4
ja 0x43101a
push 2
push ebx
push ebx
push dword [esi]
call fcn.0042e327
add esp, 0x10
or eax, edx
je 0x431225
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0042e327
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x431023
jmp 0x430f06
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4311f1
push dword [esi]
call fcn.00428995
pop ecx
call fcn.00421805
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4312a6
cmp eax, 0xfeff
jne 0x431217
push ebx
push 2
push dword [esi]
call fcn.0042c384
add esp, 0xc
cmp eax, 0xffffffff
je 0x430f06
mov byte [ebp - 2], 2
jmp 0x431023
push ebx
push ebx
push dword [esi]
call fcn.0042c384
add esp, 0xc
jmp 0x4311bb
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x431245
dec eax
jne 0x431023
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x431253
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.0042a244
add esp, 0xc
cmp eax, 0xffffffff
je 0x431279
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x431253
jmp 0x431023
push dword [esi]
call fcn.00428995
pop ecx
call fcn.00421805
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4312a6
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4460a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret