Function at 0x1002c420
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
push ebx
mov ebx, ecx
push edi
mov dword [ebp - 8], eax
mov dword [ebp - 0xc], ecx
test ebx, ebx
jle 0x1002c695
cmp dword [esi + 0x18], 0
je 0x1002c5c2
mov eax, dword [esi + 0x20]
mov dword [ebp - 4], eax
cmp eax, ebx
jl 0x1002c44f
mov dword [ebp - 4], ebx
mov edx, dword [esi + 0x1c]
mov edi, dword [ebp - 4]
mov ecx, dword [ebp - 8]
push edi
sub edx, eax
push ecx
lea eax, [edx + esi + 4]
push eax
call fcn.10112b90
add esp, 0xc
sub dword [esi + 0x20], edi
jne 0x1002c682
mov ecx, dword [esi + 4]
mov eax, ecx
shr eax, 8
and eax, 0x7f
cmp eax, 0x7e
jge 0x1002c486
xor edi, edi
jmp 0x1002c493
lea edi, [eax - 0x7e]
neg edi
sbb edi, edi
and edi, 6
add edi, 2
mov ebx, ecx
shr ebx, 0xf
and ebx, 1
add ebx, ebx
add ebx, ebx
lea edx, [ebx + edi + 2]
mov dword [ebp - 0x10], edx
mov edx, dword [esi + 0x1c]
cmp edx, dword [ebp - 0x10]
jge 0x1002c4c0
mov eax, dword [ebp - 0x10]
mov ecx, eax
sub ecx, edx
mov dword [esi + 0x20], ecx
mov dword [esi + 0x1c], eax
jmp 0x1002c67f
test edi, edi
jne 0x1002c4c9
cdq
mov ecx, eax
jmp 0x1002c508
cmp edi, 2
jne 0x1002c4e0
shr ecx, 0x10
push ecx
call dword [sym.imp.WS2_32.dll_ntohs]
movzx eax, ax
cdq
mov ecx, eax
jmp 0x1002c508
mov eax, dword [esi + 0xa]
mov edx, dword [esi + 6]
push eax
mov dword [ebp - 0x24], edx
call dword [sym.imp.WS2_32.dll_ntohl]
mov dword [ebp - 0x30], eax
mov eax, dword [ebp - 0x24]
push eax
call dword [sym.imp.WS2_32.dll_ntohl]
xor ecx, ecx
or ecx, dword [ebp - 0x30]
mov edx, eax
xor eax, eax
or edx, eax
mov dword [esi + 0x28], ecx
mov dword [esi + 0x2c], edx
mov dword [esi + 0x30], ecx
mov dword [esi + 0x34], edx
test ebx, ebx
jle 0x1002c51e
lea edi, [edi + esi + 6]
jmp 0x1002c520
xor edi, edi
mov dword [esi + 0x14], edi
mov al, byte [esi + 4]
and al, 0xf
mov byte [ebp - 0x14], al
mov eax, dword [esi + 4]
mov ebx, eax
shr eax, 7
and eax, 1
push edx
mov dword [ebp - 0x10], eax
mov dword [ebp - 0x38], ecx
mov eax, dword [ebp - 0x38]
mov ecx, dword [esi]
mov edx, dword [ecx + 0xc]
mov ecx, dword [ecx + 8]
push eax
mov eax, dword [ebp - 0x14]
push edi
push eax
shr ebx, 4
and bl, 7
mov byte [ebp - 0x18], bl
mov eax, dword [ebp - 0x18]
push eax
mov eax, dword [ebp - 0x10]
mov dword [ebp - 0x1c], edx
mov edx, dword [ecx + 0x568]
mov ebx, dword [edx]
push eax
mov eax, dword [ebp - 0x1c]
mov eax, dword [eax]
push eax
push ecx
mov ecx, edx
mov edx, dword [ebx + 0x2c]
call edx
cmp eax, 2
je 0x1002c695
xor edi, edi
cmp dword [esi + 0x2c], edi
ja 0x1002c58d
cmp dword [esi + 0x28], edi
jbe 0x1002c595
mov dword [esi + 0x18], edi
jmp 0x1002c67f
mov eax, dword [esi]
mov edx, dword [eax + 0xc]
mov eax, dword [eax + 8]
mov ecx, dword [eax + 0x568]
mov edx, dword [edx]
mov ebx, dword [ecx]
push edx
push eax
mov eax, dword [ebx + 0x34]
call eax
mov dword [esi + 0x14], edi
mov dword [esi + 0x28], edi
mov dword [esi + 0x2c], edi
mov dword [esi + 0x30], edi
mov dword [esi + 0x34], edi
jmp 0x1002c669
mov edi, dword [esi + 0x30]
mov eax, ebx
cdq
cmp dword [esi + 0x34], edx
ja 0x1002c5d8
jb 0x1002c5d3
cmp edi, eax
jae 0x1002c5d8
mov dword [ebp - 4], edi
jmp 0x1002c5dd
mov dword [ebp - 4], ebx
mov edi, ebx
cmp dword [esi + 0x14], 0
je 0x1002c60c
mov ecx, dword [esi + 0x28]
sub ecx, dword [esi + 0x30]
and ecx, 3
test edi, edi
jle 0x1002c60c
mov eax, dword [ebp - 8]
sub ecx, eax
mov dword [ebp - 0x10], edi
mov ebx, dword [esi + 0x14]
lea edx, [ecx + eax]
and edx, 3
mov dl, byte [edx + ebx]
xor byte [eax], dl
inc eax
dec dword [ebp - 0x10]
jne 0x1002c5f8
mov eax, edi
cdq
sub dword [esi + 0x30], eax
mov eax, dword [esi]
push edi
sbb dword [esi + 0x34], edx
mov edx, dword [eax + 0xc]
mov eax, dword [eax + 8]
push dword [ebp - 8]
mov ecx, dword [eax + 0x568]
mov edx, dword [edx]
mov ebx, dword [ecx]
push edx
push eax
mov eax, dword [ebx + 0x30]
call eax
cmp eax, 2
je 0x1002c695
mov ecx, dword [esi + 0x30]
or ecx, dword [esi + 0x34]
jne 0x1002c67f
mov eax, dword [esi]
mov edx, dword [eax + 0xc]
mov eax, dword [eax + 8]
mov ecx, dword [eax + 0x568]
mov edx, dword [edx]
mov edi, dword [ecx]
push edx
push eax
mov eax, dword [edi + 0x34]
call eax
xor edx, edx
mov dword [esi + 0x14], edx
mov dword [esi + 0x28], edx
mov dword [esi + 0x2c], edx
mov dword [esi + 0x30], edx
mov dword [esi + 0x34], edx
mov ecx, 2
mov dword [esi + 0x20], ecx
mov dword [esi + 0x1c], ecx
mov dword [esi + 0x18], 1
cmp eax, ecx
je 0x1002c695
mov ebx, dword [ebp - 0xc]
mov eax, dword [ebp - 4]
add dword [ebp - 8], eax
sub ebx, eax
mov dword [ebp - 0xc], ebx
test ebx, ebx
jg 0x1002c438
pop edi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret