Function at 0x4d5075
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x38
cmp dword [esp + 0x44], 0
push esi
mov esi, ecx
jne 0x4d5083
xor eax, eax
pop esi
add esp, 0x38
ret 0x18
mov eax, dword [esp + 0x40]
test eax, eax
jne 0x4d5095
or eax, 0xffffffff
pop esi
add esp, 0x38
ret 0x18
mov ecx, dword [esp + 0x44]
test ecx, ecx
je 0x4d508b
mov edx, dword [esp + 0x4c]
test edx, edx
je 0x4d508b
mov dword [esi + 0x414], eax
dec eax
mov dword [esi + 0x420], eax
mov dword [esi + 0x410], ecx
mov eax, 0xabeefbee
xor ecx, ecx
push edi
movzx edi, byte [ecx + str._r_n_r_naPLib_v1.01_____the_smaller_the_better_:__r_nCopyright__c__1998_2009_by_Joergen_Ibsen__All_Rights_Reserved._r_n_r_nMore_information:_http:__www.ibsensoftware.com__r_n_r_n]
rol eax, 1
xor eax, edi
movzx edi, byte [ecx + 0x530361]
rol eax, 1
xor eax, edi
movzx edi, byte [ecx + 0x530362]
rol eax, 1
xor eax, edi
movzx edi, byte [ecx + 0x530363]
rol eax, 1
add ecx, 4
xor eax, edi
cmp ecx, 0x100
jb 0x4d50c0
test eax, eax
jne 0x4d5aba
push ebx
mov dword [esi], edx
lea ecx, [esi + 4]
add edx, 0x5a018
mov edi, 0x100
lea ebx, [eax + 1]
push ebp
mov dword [ecx], edx
xor eax, eax
add eax, 0
mov ebp, dword [ecx]
mov dword [ebp + eax], 0
add eax, 4
cmp eax, 0x400
jb 0x4d511d
add edx, 0x400
add ecx, 4
sub edi, ebx
jne 0x4d5114
mov ecx, dword [esi + 0x414]
mov edx, dword [esi]
or eax, 0xffffffff
mov dword [esi + 0x424], eax
mov dword [esi + 0x408], ecx
mov dword [esi + 0x404], ebx
mov dword [esi + 0x40c], edi
mov dword [edx], edi
mov ecx, dword [esi + 0x414]
mov edx, dword [esi + 0x410]
mov dword [esi + 0x428], edi
mov cl, byte [ecx]
mov dword [esp + 0x1c], eax
mov eax, dword [esp + 0x54]
mov byte [edx], cl
add dword [esi + 0x414], ebx
add dword [esi + 0x410], ebx
dec eax
mov dword [esp + 0x10], edi
mov dword [esp + 0x18], edi
mov dword [esi + 0x41c], ebx
mov dword [esp + 0x58], ebx
cmp eax, ebx
jbe 0x4d599b
lea ebx, [ebx]
mov eax, dword [esp + 0x5c]
test eax, eax
je 0x4d51f0
mov ecx, dword [esp + 0x18]
inc ecx
mov dword [esp + 0x18], ecx
test cl, cl
jne 0x4d51f0
mov edx, dword [esp + 0x60]
mov ecx, dword [esi + 0x410]
sub ecx, dword [esp + 0x50]
push edx
mov edx, dword [esi + 0x414]
sub edx, dword [esp + 0x50]
push ecx
mov ecx, dword [esp + 0x5c]
push edx
push ecx
call eax
add esp, 0x10
test eax, eax
je 0x4d5965
cmp ebx, dword [esp + 0x1c]
jne 0x4d5208
mov ebp, dword [esp + 0x44]
mov edx, dword [esp + 0x40]
mov dword [esp + 0x2c], ebp
mov dword [esp + 0x28], edx
jmp 0x4d5227
mov eax, dword [esp + 0x54]
mov ecx, dword [esi + 0x414]
sub eax, ebx
push eax
push ebx
push ecx
lea edx, [esp + 0x34]
push edx
mov ecx, esi
call fcn.004d4da6
mov ebp, dword [esp + 0x2c]
cmp ebp, 2
jl 0x4d57d6
mov eax, dword [esi + 0x424]
mov dword [esp + 0x14], 0
cmp dword [esp + 0x28], eax
jne 0x4d52a6
cmp edi, 1
jbe 0x4d559f
cmp dword [esp + 0x38], eax
je 0x4d559f
mov eax, dword [esp + 0x10]
push edi
sub ebx, edi
push ebx
push eax
mov ecx, esi
call fcn.004d4749
mov ecx, dword [esp + 0x38]
push edi
push ecx
mov ecx, esi
mov ebx, eax
call fcn.004d4a2a
cmp eax, ebx
jge 0x4d559b
mov eax, dword [esp + 0x38]
cmp eax, 0x500
jl 0x4d5292
cmp edi, 2
je 0x4d559b
cmp eax, 0x7d00
jl 0x4d52a2
cmp edi, 3
je 0x4d559b
mov ebx, dword [esp + 0x58]
mov eax, dword [esp + 0x54]
mov edx, dword [esi + 0x414]
sub eax, ebx
mov dword [esp + 0x20], eax
dec eax
push eax
lea ecx, [ebx + 1]
push ecx
inc edx
push edx
lea eax, [esp + 0x4c]
push eax
mov ecx, esi
call fcn.004d4da6
mov ecx, dword [esp + 0x28]
cmp dword [esp + 0x40], ecx
lea eax, [ebx + 1]
mov dword [esp + 0x1c], eax
push ebp
jl 0x4d5315
mov edx, ecx
push edx
mov ecx, esi
call fcn.004d4a2a
mov ecx, dword [esp + 0x40]
mov dword [esp + 0x24], eax
mov eax, dword [esp + 0x44]
push eax
push ecx
mov ecx, esi
call fcn.004d4a2a
mov ecx, dword [esp + 0x24]
sub ecx, eax
add ecx, ecx
mov eax, 0x38e38e39
imul ecx
sar edx, 1
mov eax, edx
shr eax, 0x1f
add eax, edx
jmp 0x4d5345
mov ecx, dword [esp + 0x2c]
push ecx
mov ecx, esi
call fcn.004d4a2a
mov edx, dword [esp + 0x44]
mov ebx, eax
mov eax, dword [esp + 0x40]
push edx
push eax
mov ecx, esi
call fcn.004d4a2a
sub ebx, eax
mov eax, ebx
mov ebx, dword [esp + 0x58]
cdq
and edx, 3
add eax, edx
sar eax, 2
add eax, dword [esp + 0x44]
cmp ebp, eax
jge 0x4d5355
mov dword [esp + 0x14], 1
test edi, edi
jbe 0x4d5391
cmp dword [esp + 0x44], ebp
jl 0x4d538f
mov ecx, dword [esp + 0x28]
push ebp
push ecx
mov ecx, esi
call fcn.004d4a2a
mov edx, dword [esp + 0x44]
mov ebx, eax
mov eax, dword [esp + 0x40]
push edx
push eax
mov ecx, esi
call fcn.004d4a2a
cmp eax, ebx
mov ebx, dword [esp + 0x58]
jge 0x4d538f
mov dword [esp + 0x14], 1
test edi, edi
jne 0x4d53e0
cmp dword [esp + 0x44], ebp
jge 0x4d53e0
mov ecx, dword [esi + 0x414]
push 1
push ebx
push ecx
mov ecx, esi
call fcn.004d4749
mov edx, dword [esp + 0x44]
mov ebx, eax
mov eax, dword [esp + 0x40]
push edx
push eax
mov ecx, esi
call fcn.004d4a2a
mov ecx, dword [esp + 0x28]
push ebp
push ecx
mov ecx, esi
lea ebx, [eax + ebx + 1]
call fcn.004d4a2a
cmp ebx, eax
mov ebx, dword [esp + 0x58]
jle 0x4d53e0
mov dword [esp + 0x14], 0
jmp 0x4d53eb
cmp dword [esp + 0x14], 0
jne 0x4d57b9
cmp ebp, 2
jle 0x4d559f
mov edx, dword [esp + 0x20]
mov eax, dword [esi + 0x414]
add edx, 0xfffffffe
push edx
add ebx, 2
push ebx
add eax, 2
push eax
lea ecx, [esp + 0x3c]
push ecx
mov ecx, esi
call fcn.004d4da6
mov eax, dword [esp + 0x30]
cmp eax, dword [esp + 0x28]
mov edx, dword [esp + 0x34]
push edx
mov ecx, esi
push eax
jl 0x4d544b
call fcn.004d4a2a
mov ebx, eax
mov eax, dword [esp + 0x28]
push ebp
push eax
mov ecx, esi
call fcn.004d4a2a
sub eax, ebx
cdq
and edx, 3
add eax, edx
mov ecx, eax
sar ecx, 2
jmp 0x4d5475
call fcn.004d4a2a
mov ebx, eax
mov eax, dword [esp + 0x28]
push ebp
push eax
mov ecx, esi
call fcn.004d4a2a
mov ecx, eax
sub ecx, ebx
add ecx, ecx
mov eax, 0x2e8ba2e9
imul ecx
sar edx, 1
mov ecx, edx
shr ecx, 0x1f
add ecx, edx
mov eax, dword [esp + 0x34]
add ecx, eax
cmp ebp, ecx
jge 0x4d5487
mov dword [esp + 0x14], 1
test edi, edi
jbe 0x4d54b3
cmp eax, ebp
jl 0x4d54b3
mov edx, dword [esp + 0x30]
push eax
push edx
mov ecx, esi
call fcn.004d4a2a
mov ebx, eax
mov eax, dword [esp + 0x28]
push ebp
push eax
mov ecx, esi
call fcn.004d4a2a
cmp ebx, eax
jl 0x4d57b5
cmp dword [esp + 0x14], 0
jne 0x4d57b5
cmp ebp, 3
jle 0x4d559b
mov ecx, dword [esp + 0x20]
mov edx, dword [esp + 0x58]
mov eax, dword [esi + 0x414]
add ecx, 0xfffffffd
push ecx
add edx, 3
push edx
add eax, 3
push eax
lea ecx, [esp + 0x3c]
push ecx
mov ecx, esi
call fcn.004d4da6
mov eax, dword [esp + 0x30]
mov edx, dword [esp + 0x34]
mov ebx, dword [esp + 0x28]
cmp eax, ebx
push edx
mov ecx, esi
push eax
jl 0x4d5526
call fcn.004d4a2a
push ebp
push ebx
mov ecx, esi
mov dword [esp + 0x2c], eax
call fcn.004d4a2a
mov ecx, dword [esp + 0x24]
sub eax, ecx
cdq
and edx, 3
add eax, edx
mov ecx, eax
sar ecx, 2
jmp 0x4d5552
call fcn.004d4a2a
push ebp
push ebx
mov ecx, esi
mov dword [esp + 0x2c], eax
call fcn.004d4a2a
mov ecx, eax
mov eax, dword [esp + 0x24]
sub ecx, eax
add ecx, ecx
mov eax, 0x2e8ba2e9
imul ecx
sar edx, 1
mov ecx, edx
shr ecx, 0x1f
add ecx, edx
mov eax, dword [esp + 0x34]
add ecx, eax
cmp ebp, ecx
jge 0x4d5564
mov dword [esp + 0x14], 1
test edi, edi
jbe 0x4d5590
cmp eax, ebp
jl 0x4d5590
mov edx, dword [esp + 0x30]
push eax
push edx
mov ecx, esi
call fcn.004d4a2a
mov ebx, eax
mov eax, dword [esp + 0x28]
push ebp
push eax
mov ecx, esi
call fcn.004d4a2a
cmp ebx, eax
jl 0x4d57b5
cmp dword [esp + 0x14], 0
jne 0x4d57b5
mov ebx, dword [esp + 0x58]
test edi, edi
je 0x4d5712
cmp edi, 1
jbe 0x4d5700
mov edx, dword [esp + 0x54]
mov ecx, edi
sub ecx, ebx
lea eax, [edx + ecx]
cmp eax, edi
jbe 0x4d55c1
mov eax, edi
push eax
mov eax, dword [esp + 0x14]
sub ebx, edi
push ebx
push eax
lea ecx, [esp + 0x3c]
push ecx
mov ecx, esi
mov dword [esp + 0x24], ebx
call fcn.004d4da6
cmp dword [esp + 0x34], edi
jb 0x4d5614
mov edx, dword [esp + 0x30]
push edi
push edx
mov ecx, esi
call fcn.004d4a2a
mov ebx, eax
mov eax, dword [esp + 0x38]
push edi
push eax
mov ecx, esi
call fcn.004d4a2a
cmp eax, ebx
mov ebx, dword [esp + 0x14]
jle 0x4d5614
mov ecx, dword [esp + 0x30]
mov edx, dword [esp + 0x34]
mov dword [esp + 0x38], ecx
mov dword [esp + 0x3c], edx
mov eax, dword [esp + 0x10]
push edi
push ebx
push eax
mov ecx, esi
call fcn.004d4749
mov ecx, dword [esp + 0x38]
push edi
push ecx
mov ecx, esi
mov ebx, eax
call fcn.004d4a2a
cmp eax, ebx
jge 0x4d56e0
mov ebx, dword [esp + 0x28]
cmp ebx, dword [esi + 0x424]
jne 0x4d569d
mov edx, dword [esp + 0x14]
mov eax, dword [esp + 0x10]
push edi
push edx
push eax
mov ecx, esi
call fcn.004d4749
push ebp
push ebx
mov ecx, esi
mov dword [esp + 0x2c], eax
call fcn.004d4a2a
mov ecx, dword [esp + 0x24]
add ecx, eax
mov edx, ebx
push ebp
inc edx
mov dword [esp + 0x28], ecx
push edx
mov ecx, esi
call fcn.004d4a2a
mov ebx, eax
mov eax, dword [esp + 0x38]
push edi
push eax
mov ecx, esi
call fcn.004d4a2a
mov ebp, dword [esp + 0x2c]
add ebx, eax
mov eax, dword [esp + 0x24]
cmp eax, ebx
mov ebx, dword [esp + 0x58]
jle 0x4d56e4
jmp 0x4d56a1
mov ebx, dword [esp + 0x58]
mov eax, dword [esp + 0x38]
cmp eax, dword [esi + 0x424]
jne 0x4d56b6
cmp dword [esi + 0x428], 0
je 0x4d56d1
cmp eax, 0x500
jl 0x4d56c2
cmp edi, 2
je 0x4d56e4
cmp dword [esp + 0x38], 0x7d00
jl 0x4d56d1
cmp edi, 3
je 0x4d56e4
mov ecx, dword [esp + 0x38]
push edi
push ecx
mov ecx, esi
call fcn.004d4aac
jmp 0x4d5710
mov ebx, dword [esp + 0x58]
mov eax, dword [esp + 0x10]
mov edx, ebx
sub edx, edi
push edx
push eax
mov ecx, esi
call fcn.004d47a2
inc dword [esp + 0x10]
sub edi, 1
jne 0x4d56e4
jmp 0x4d5712
mov edx, dword [esp + 0x10]
lea ecx, [ebx - 1]
push ecx
push edx
mov ecx, esi
call fcn.004d47a2
xor edi, edi
cmp ebp, 3
jg 0x4d579c
mov eax, dword [esi + 0x414]
push ebp
push ebx
push eax
mov ecx, esi
call fcn.004d4749
mov ecx, dword [esp + 0x28]
push ebp
push ecx
mov ecx, esi
mov ebx, eax
call fcn.004d4a2a
cmp eax, ebx
jg 0x4d5766
mov eax, dword [esp + 0x28]
cmp eax, dword [esi + 0x424]
jne 0x4d5753
cmp dword [esi + 0x428], 0
je 0x4d5798
cmp eax, 0x500
jl 0x4d575f
cmp ebp, 2
je 0x4d5766
cmp eax, 0x7d00
jl 0x4d5798
mov ebx, dword [esp + 0x58]
mov dword [esp + 0x14], ebp
test ebp, ebp
je 0x4d5792
mov edx, dword [esi + 0x414]
push ebx
push edx
mov ecx, esi
call fcn.004d47a2
mov eax, 1
add dword [esi + 0x414], eax
sub dword [esp + 0x14], eax
jne 0x4d5772
lea ebx, [ebp + ebx - 1]
jmp 0x4d57f2
mov ebx, dword [esp + 0x58]
mov eax, dword [esp + 0x28]
push ebp
push eax
mov ecx, esi
call fcn.004d4aac
add dword [esi + 0x414], ebp
lea ebx, [ebp + ebx - 1]
jmp 0x4d57f2
mov ebx, dword [esp + 0x58]
test edi, edi
jne 0x4d57d3
mov ecx, dword [esp + 0x28]
mov edx, dword [esi + 0x414]
mov dword [esp + 0x3c], ebp
mov dword [esp + 0x38], ecx
mov dword [esp + 0x10], edx
inc edi
jmp 0x4d57ec
test edi, edi
je 0x4d57dd
inc edi
jmp 0x4d57ec
mov eax, dword [esi + 0x414]
push ebx
push eax
mov ecx, esi
call fcn.004d47a2
inc dword [esi + 0x414]
test edi, edi
je 0x4d58e5
cmp edi, dword [esp + 0x3c]
jne 0x4d58e5
mov edx, dword [esp + 0x54]
mov ecx, edi
sub ecx, ebx
lea eax, [edx + ecx]
cmp eax, edi
jbe 0x4d5815
mov eax, edi
push eax
mov eax, dword [esp + 0x14]
mov ebp, ebx
sub ebp, edi
push ebp
push eax
lea ecx, [esp + 0x3c]
push ecx
mov ecx, esi
mov dword [esp + 0x24], ebp
call fcn.004d4da6
cmp dword [esp + 0x34], edi
jb 0x4d586a
mov edx, dword [esp + 0x30]
push edi
push edx
mov ecx, esi
call fcn.004d4a2a
mov ebp, eax
mov eax, dword [esp + 0x38]
push edi
push eax
mov ecx, esi
call fcn.004d4a2a
cmp eax, ebp
mov ebp, dword [esp + 0x14]
jle 0x4d586a
mov ecx, dword [esp + 0x30]
mov edx, dword [esp + 0x34]
mov dword [esp + 0x38], ecx
mov dword [esp + 0x3c], edx
mov eax, dword [esp + 0x10]
push edi
push ebp
push eax
mov ecx, esi
call fcn.004d4749
mov ecx, dword [esp + 0x38]
push edi
push ecx
mov ecx, esi
mov ebp, eax
call fcn.004d4a2a
cmp eax, ebp
jge 0x4d58c5
mov eax, dword [esp + 0x38]
cmp eax, dword [esi + 0x424]
jne 0x4d58a0
cmp dword [esi + 0x428], 0
je 0x4d58b8
cmp eax, 0x500
jl 0x4d58ac
cmp edi, 2
je 0x4d58c5
cmp eax, 0x7d00
jl 0x4d58b8
cmp edi, 3
je 0x4d58c5
push edi
push eax
mov ecx, esi
call fcn.004d4aac
xor edi, edi
jmp 0x4d58e5
mov ebp, dword [esp + 0x10]
add eax, 0
mov edx, ebx
sub edx, edi
push edx
push ebp
mov ecx, esi
call fcn.004d47a2
inc ebp
sub edi, 1
jne 0x4d58ce
mov dword [esp + 0x10], ebp
mov eax, dword [esp + 0x54]
inc ebx
dec eax
mov dword [esp + 0x58], ebx
cmp ebx, eax
jb 0x4d51ae
test edi, edi
je 0x4d599b
cmp edi, 1
jbe 0x4d598b
mov ecx, dword [esp + 0x10]
push edi
mov eax, ebx
sub eax, edi
push eax
push ecx
mov ecx, esi
call fcn.004d4749
mov edx, dword [esp + 0x38]
push edi
push edx
mov ecx, esi
mov ebp, eax
call fcn.004d4a2a
cmp eax, ebp
jg 0x4d5972
mov eax, dword [esp + 0x38]
cmp eax, dword [esi + 0x424]
jne 0x4d5942
cmp dword [esi + 0x428], 0
je 0x4d595a
cmp eax, 0x500
jl 0x4d594e
cmp edi, 2
je 0x4d5972
cmp eax, 0x7d00
jl 0x4d595a
cmp edi, 3
je 0x4d5972
push edi
push eax
mov ecx, esi
call fcn.004d4aac
jmp 0x4d599b
pop ebp
pop ebx
pop edi
or eax, 0xffffffff
pop esi
add esp, 0x38
ret 0x18
mov ebp, dword [esp + 0x10]
mov eax, ebx
sub eax, edi
push eax
push ebp
mov ecx, esi
call fcn.004d47a2
inc ebp
sub edi, 1
jne 0x4d5976
jmp 0x4d599b
mov edx, dword [esp + 0x10]
lea ecx, [ebx - 1]
push ecx
push edx
mov ecx, esi
call fcn.004d47a2
mov edi, dword [esp + 0x54]
mov ebp, 1
cmp ebx, edi
jae 0x4d59c9
lea ebx, [ebx]
mov eax, dword [esi + 0x414]
push ebx
push eax
mov ecx, esi
call fcn.004d47a2
add dword [esi + 0x414], ebp
add ebx, ebp
cmp ebx, edi
jb 0x4d59ae
or ebx, 0xffffffff
add dword [esi + 0x41c], ebx
lea ecx, [ebx + 9]
jne 0x4d59f0
mov eax, dword [esi + 0x410]
mov dword [esi + 0x418], eax
inc eax
mov dword [esi + 0x41c], ecx
mov dword [esi + 0x410], eax
mov eax, dword [esi + 0x418]
mov dl, byte [eax]
add dl, dl
inc dl
mov byte [eax], dl
add dword [esi + 0x41c], ebx
jne 0x4d5a1f
mov eax, dword [esi + 0x410]
mov dword [esi + 0x418], eax
inc eax
mov dword [esi + 0x41c], ecx
mov dword [esi + 0x410], eax
mov eax, dword [esi + 0x418]
mov dl, byte [eax]
add dl, dl
inc dl
mov byte [eax], dl
add dword [esi + 0x41c], ebx
jne 0x4d5a4e
mov eax, dword [esi + 0x410]
mov dword [esi + 0x418], eax
inc eax
mov dword [esi + 0x41c], ecx
mov dword [esi + 0x410], eax
mov eax, dword [esi + 0x418]
shl byte [eax], 1
mov eax, dword [esi + 0x410]
mov byte [eax], 0
mov ecx, dword [esi + 0x41c]
mov eax, dword [esi + 0x418]
add dword [esi + 0x410], ebp
sub ecx, ebp
shl byte [eax], cl
mov eax, dword [esp + 0x5c]
test eax, eax
je 0x4d5aae
mov ecx, dword [esp + 0x60]
mov edx, dword [esi + 0x410]
sub edx, dword [esp + 0x50]
push ecx
mov ecx, dword [esi + 0x414]
sub ecx, dword [esp + 0x50]
push edx
push ecx
push edi
call eax
add esp, 0x10
test eax, eax
jne 0x4d5aae
pop ebp
mov eax, ebx
pop ebx
pop edi
pop esi
add esp, 0x38
ret 0x18
mov eax, dword [esi + 0x410]
sub eax, dword [esp + 0x50]
pop ebp
pop ebx
pop edi
pop esi
add esp, 0x38
ret 0x18