Function at 0x250b90
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
mov eax, dword [esi + 0x240]
cmp eax, 0x10
jg 0x250e62
test eax, eax
js 0x250e62
mov eax, dword [esi + 0x234]
push eax
call fcn.002550e0
add esp, 4
test eax, eax
jne 0x250e55
push ebx
push edi
cmp dword [esi + 0x23c], eax
jne 0x250d7c
cmp dword [esi + 0x238], eax
jne 0x250c0b
cmp dword [esi + 0x240], 0xc
jne 0x250c0b
push 0xc
lea ebx, [esi + 0x224]
lea edi, [esi + 0x204]
push ebx
push edi
call fcn.0026e2e0
add esp, 0xc
mov dword [esi + 0x210], 0x1000000
jmp 0x250d44
cmp dword [esi + 0x240], 0
jbe 0x250c32
mov ecx, 0xfffffe0c
lea eax, [esi + 0x1f4]
sub ecx, esi
mov dl, byte [eax + 0x30]
xor byte [eax], dl
inc eax
lea edx, [ecx + eax]
cmp edx, dword [esi + 0x240]
jb 0x250c21
mov eax, dword [esi + 0x240]
test eax, eax
je 0x250c63
cdq
shld edx, eax, 3
add eax, eax
add eax, eax
add eax, eax
add dword [esi + 0x248], eax
lea eax, [esi + 0x1f4]
push eax
adc dword [esi + 0x24c], edx
push esi
call fcn.00255050
add esp, 8
lea ebx, [esi + 0x224]
push 8
push ebx
call fcn.00255030
movzx ecx, byte [esi + 0x24f]
movzx edx, byte [esi + 0x24e]
movzx eax, byte [esi + 0x24d]
mov byte [esi + 0x22c], cl
movzx ecx, byte [esi + 0x24c]
mov byte [esi + 0x22d], dl
movzx edx, byte [esi + 0x24b]
mov byte [esi + 0x22e], al
movzx eax, byte [esi + 0x24a]
mov byte [esi + 0x22f], cl
movzx ecx, byte [esi + 0x249]
mov byte [esi + 0x230], dl
movzx edx, byte [esi + 0x248]
mov byte [esi + 0x231], al
add esp, 8
mov byte [esi + 0x232], cl
mov byte [esi + 0x233], dl
lea eax, [esi + 0x1f4]
mov edi, 4
jmp 0x250cf0
movzx ecx, byte [eax + 0x30]
movzx edx, byte [eax + 0x31]
xor byte [eax], cl
xor byte [eax + 1], dl
movzx ecx, byte [eax + 0x32]
movzx edx, byte [eax + 0x33]
xor byte [eax + 2], cl
xor byte [eax + 3], dl
add eax, 4
dec edi
jne 0x250cf0
lea eax, [esi + 0x1f4]
push eax
push esi
call fcn.00255050
push 0x10
lea eax, [esi + 0x1f4]
push eax
lea edi, [esi + 0x204]
push edi
call fcn.0026e2e0
lea eax, [esi + 0x1f4]
push 0x10
push eax
call fcn.00255030
add esp, 0x1c
push 0x10
lea eax, [esi + 0x214]
push edi
push eax
call fcn.0026e2e0
push 0x10
push ebx
call fcn.00255030
add esp, 0x14
xor eax, eax
mov dword [esi + 0x240], eax
mov dword [esi + 0x248], eax
mov dword [esi + 0x24c], eax
mov dword [esi + 0x23c], 1
cmp dword [esi + 0x23c], 1
jne 0x250e58
mov eax, dword [esi + 0x240]
cmp eax, 0x10
jge 0x250e58
xor edi, edi
test eax, eax
mov eax, dword [ebp + 0x10]
jne 0x250df4
mov ecx, eax
and ecx, 0xfffffff0
mov dword [ebp + 8], ecx
jbe 0x250ded
lea ebx, [esi + 0x1f4]
xor eax, eax
mov edx, dword [ebp + 0xc]
lea ecx, [eax + edi]
mov ecx, dword [ecx + edx]
xor dword [ebx + eax], ecx
add eax, 4
cmp eax, 0x10
jb 0x250db3
push ebx
push esi
call fcn.00255050
add esp, 8
add dword [esi + 0x248], 0x80
adc dword [esi + 0x24c], 0
add edi, 0x10
cmp edi, dword [ebp + 8]
jb 0x250db1
mov eax, dword [ebp + 0x10]
mov ebx, dword [ebp + 0xc]
add ebx, edi
jmp 0x250df7
mov ebx, dword [ebp + 0xc]
cmp edi, eax
jae 0x250e51
sub eax, edi
mov edi, eax
nop
mov edx, dword [esi + 0x240]
mov cl, byte [ebx]
xor byte [esi + edx + 0x1f4], cl
inc dword [esi + 0x240]
lea eax, [esi + edx + 0x1f4]
inc ebx
cmp dword [esi + 0x240], 0x10
jne 0x250e4e
lea edx, [esi + 0x1f4]
push edx
push esi
call fcn.00255050
xor eax, eax
add esp, 8
add dword [esi + 0x248], 0x80
mov dword [esi + 0x240], eax
adc dword [esi + 0x24c], eax
dec edi
jne 0x250e00
pop edi
xor eax, eax
pop ebx
pop esi
pop ebp
ret
pop edi
pop ebx
mov eax, 0x10
pop esi
pop ebp
ret
mov eax, 0x10
pop esi
pop ebp
ret