Function at 0x4d58c5
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x38
cmp dword [esp + 0x44], 0
push esi
mov esi, ecx
jne 0x4d58d3
xor eax, eax
pop esi
add esp, 0x38
ret 0x18
mov eax, dword [esp + 0x40]
test eax, eax
jne 0x4d58e5
or eax, 0xffffffff
pop esi
add esp, 0x38
ret 0x18
mov ecx, dword [esp + 0x44]
test ecx, ecx
je 0x4d58db
mov edx, dword [esp + 0x4c]
test edx, edx
je 0x4d58db
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 + 0x528fc1]
rol eax, 1
xor eax, edi
movzx edi, byte [ecx + 0x528fc2]
rol eax, 1
xor eax, edi
movzx edi, byte [ecx + 0x528fc3]
rol eax, 1
add ecx, 4
xor eax, edi
cmp ecx, 0x100
jb 0x4d5910
test eax, eax
jne 0x4d630a
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 0x4d596d
add edx, 0x400
add ecx, 4
sub edi, ebx
jne 0x4d5964
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 0x4d61eb
lea ebx, [ebx]
mov eax, dword [esp + 0x5c]
test eax, eax
je 0x4d5a40
mov ecx, dword [esp + 0x18]
inc ecx
mov dword [esp + 0x18], ecx
test cl, cl
jne 0x4d5a40
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 0x4d61b5
cmp ebx, dword [esp + 0x1c]
jne 0x4d5a58
mov ebp, dword [esp + 0x44]
mov edx, dword [esp + 0x40]
mov dword [esp + 0x2c], ebp
mov dword [esp + 0x28], edx
jmp 0x4d5a77
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.004d55f6
mov ebp, dword [esp + 0x2c]
cmp ebp, 2
jl 0x4d6026
mov eax, dword [esi + 0x424]
mov dword [esp + 0x14], 0
cmp dword [esp + 0x28], eax
jne 0x4d5af6
cmp edi, 1
jbe 0x4d5def
cmp dword [esp + 0x38], eax
je 0x4d5def
mov eax, dword [esp + 0x10]
push edi
sub ebx, edi
push ebx
push eax
mov ecx, esi
call fcn.004d4f99
mov ecx, dword [esp + 0x38]
push edi
push ecx
mov ecx, esi
mov ebx, eax
call fcn.004d527a
cmp eax, ebx
jge 0x4d5deb
mov eax, dword [esp + 0x38]
cmp eax, 0x500
jl 0x4d5ae2
cmp edi, 2
je 0x4d5deb
cmp eax, 0x7d00
jl 0x4d5af2
cmp edi, 3
je 0x4d5deb
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.004d55f6
mov ecx, dword [esp + 0x28]
cmp dword [esp + 0x40], ecx
lea eax, [ebx + 1]
mov dword [esp + 0x1c], eax
push ebp
jl 0x4d5b65
mov edx, ecx
push edx
mov ecx, esi
call fcn.004d527a
mov ecx, dword [esp + 0x40]
mov dword [esp + 0x24], eax
mov eax, dword [esp + 0x44]
push eax
push ecx
mov ecx, esi
call fcn.004d527a
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 0x4d5b95
mov ecx, dword [esp + 0x2c]
push ecx
mov ecx, esi
call fcn.004d527a
mov edx, dword [esp + 0x44]
mov ebx, eax
mov eax, dword [esp + 0x40]
push edx
push eax
mov ecx, esi
call fcn.004d527a
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 0x4d5ba5
mov dword [esp + 0x14], 1
test edi, edi
jbe 0x4d5be1
cmp dword [esp + 0x44], ebp
jl 0x4d5bdf
mov ecx, dword [esp + 0x28]
push ebp
push ecx
mov ecx, esi
call fcn.004d527a
mov edx, dword [esp + 0x44]
mov ebx, eax
mov eax, dword [esp + 0x40]
push edx
push eax
mov ecx, esi
call fcn.004d527a
cmp eax, ebx
mov ebx, dword [esp + 0x58]
jge 0x4d5bdf
mov dword [esp + 0x14], 1
test edi, edi
jne 0x4d5c30
cmp dword [esp + 0x44], ebp
jge 0x4d5c30
mov ecx, dword [esi + 0x414]
push 1
push ebx
push ecx
mov ecx, esi
call fcn.004d4f99
mov edx, dword [esp + 0x44]
mov ebx, eax
mov eax, dword [esp + 0x40]
push edx
push eax
mov ecx, esi
call fcn.004d527a
mov ecx, dword [esp + 0x28]
push ebp
push ecx
mov ecx, esi
lea ebx, [eax + ebx + 1]
call fcn.004d527a
cmp ebx, eax
mov ebx, dword [esp + 0x58]
jle 0x4d5c30
mov dword [esp + 0x14], 0
jmp 0x4d5c3b
cmp dword [esp + 0x14], 0
jne 0x4d6009
cmp ebp, 2
jle 0x4d5def
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.004d55f6
mov eax, dword [esp + 0x30]
cmp eax, dword [esp + 0x28]
mov edx, dword [esp + 0x34]
push edx
mov ecx, esi
push eax
jl 0x4d5c9b
call fcn.004d527a
mov ebx, eax
mov eax, dword [esp + 0x28]
push ebp
push eax
mov ecx, esi
call fcn.004d527a
sub eax, ebx
cdq
and edx, 3
add eax, edx
mov ecx, eax
sar ecx, 2
jmp 0x4d5cc5
call fcn.004d527a
mov ebx, eax
mov eax, dword [esp + 0x28]
push ebp
push eax
mov ecx, esi
call fcn.004d527a
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 0x4d5cd7
mov dword [esp + 0x14], 1
test edi, edi
jbe 0x4d5d03
cmp eax, ebp
jl 0x4d5d03
mov edx, dword [esp + 0x30]
push eax
push edx
mov ecx, esi
call fcn.004d527a
mov ebx, eax
mov eax, dword [esp + 0x28]
push ebp
push eax
mov ecx, esi
call fcn.004d527a
cmp ebx, eax
jl 0x4d6005
cmp dword [esp + 0x14], 0
jne 0x4d6005
cmp ebp, 3
jle 0x4d5deb
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.004d55f6
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 0x4d5d76
call fcn.004d527a
push ebp
push ebx
mov ecx, esi
mov dword [esp + 0x2c], eax
call fcn.004d527a
mov ecx, dword [esp + 0x24]
sub eax, ecx
cdq
and edx, 3
add eax, edx
mov ecx, eax
sar ecx, 2
jmp 0x4d5da2
call fcn.004d527a
push ebp
push ebx
mov ecx, esi
mov dword [esp + 0x2c], eax
call fcn.004d527a
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 0x4d5db4
mov dword [esp + 0x14], 1
test edi, edi
jbe 0x4d5de0
cmp eax, ebp
jl 0x4d5de0
mov edx, dword [esp + 0x30]
push eax
push edx
mov ecx, esi
call fcn.004d527a
mov ebx, eax
mov eax, dword [esp + 0x28]
push ebp
push eax
mov ecx, esi
call fcn.004d527a
cmp ebx, eax
jl 0x4d6005
cmp dword [esp + 0x14], 0
jne 0x4d6005
mov ebx, dword [esp + 0x58]
test edi, edi
je 0x4d5f62
cmp edi, 1
jbe 0x4d5f50
mov edx, dword [esp + 0x54]
mov ecx, edi
sub ecx, ebx
lea eax, [edx + ecx]
cmp eax, edi
jbe 0x4d5e11
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.004d55f6
cmp dword [esp + 0x34], edi
jb 0x4d5e64
mov edx, dword [esp + 0x30]
push edi
push edx
mov ecx, esi
call fcn.004d527a
mov ebx, eax
mov eax, dword [esp + 0x38]
push edi
push eax
mov ecx, esi
call fcn.004d527a
cmp eax, ebx
mov ebx, dword [esp + 0x14]
jle 0x4d5e64
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.004d4f99
mov ecx, dword [esp + 0x38]
push edi
push ecx
mov ecx, esi
mov ebx, eax
call fcn.004d527a
cmp eax, ebx
jge 0x4d5f30
mov ebx, dword [esp + 0x28]
cmp ebx, dword [esi + 0x424]
jne 0x4d5eed
mov edx, dword [esp + 0x14]
mov eax, dword [esp + 0x10]
push edi
push edx
push eax
mov ecx, esi
call fcn.004d4f99
push ebp
push ebx
mov ecx, esi
mov dword [esp + 0x2c], eax
call fcn.004d527a
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.004d527a
mov ebx, eax
mov eax, dword [esp + 0x38]
push edi
push eax
mov ecx, esi
call fcn.004d527a
mov ebp, dword [esp + 0x2c]
add ebx, eax
mov eax, dword [esp + 0x24]
cmp eax, ebx
mov ebx, dword [esp + 0x58]
jle 0x4d5f34
jmp 0x4d5ef1
mov ebx, dword [esp + 0x58]
mov eax, dword [esp + 0x38]
cmp eax, dword [esi + 0x424]
jne 0x4d5f06
cmp dword [esi + 0x428], 0
je 0x4d5f21
cmp eax, 0x500
jl 0x4d5f12
cmp edi, 2
je 0x4d5f34
cmp dword [esp + 0x38], 0x7d00
jl 0x4d5f21
cmp edi, 3
je 0x4d5f34
mov ecx, dword [esp + 0x38]
push edi
push ecx
mov ecx, esi
call fcn.004d52fc
jmp 0x4d5f60
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.004d4ff2
inc dword [esp + 0x10]
sub edi, 1
jne 0x4d5f34
jmp 0x4d5f62
mov edx, dword [esp + 0x10]
lea ecx, [ebx - 1]
push ecx
push edx
mov ecx, esi
call fcn.004d4ff2
xor edi, edi
cmp ebp, 3
jg 0x4d5fec
mov eax, dword [esi + 0x414]
push ebp
push ebx
push eax
mov ecx, esi
call fcn.004d4f99
mov ecx, dword [esp + 0x28]
push ebp
push ecx
mov ecx, esi
mov ebx, eax
call fcn.004d527a
cmp eax, ebx
jg 0x4d5fb6
mov eax, dword [esp + 0x28]
cmp eax, dword [esi + 0x424]
jne 0x4d5fa3
cmp dword [esi + 0x428], 0
je 0x4d5fe8
cmp eax, 0x500
jl 0x4d5faf
cmp ebp, 2
je 0x4d5fb6
cmp eax, 0x7d00
jl 0x4d5fe8
mov ebx, dword [esp + 0x58]
mov dword [esp + 0x14], ebp
test ebp, ebp
je 0x4d5fe2
mov edx, dword [esi + 0x414]
push ebx
push edx
mov ecx, esi
call fcn.004d4ff2
mov eax, 1
add dword [esi + 0x414], eax
sub dword [esp + 0x14], eax
jne 0x4d5fc2
lea ebx, [ebp + ebx - 1]
jmp 0x4d6042
mov ebx, dword [esp + 0x58]
mov eax, dword [esp + 0x28]
push ebp
push eax
mov ecx, esi
call fcn.004d52fc
add dword [esi + 0x414], ebp
lea ebx, [ebp + ebx - 1]
jmp 0x4d6042
mov ebx, dword [esp + 0x58]
test edi, edi
jne 0x4d6023
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 0x4d603c
test edi, edi
je 0x4d602d
inc edi
jmp 0x4d603c
mov eax, dword [esi + 0x414]
push ebx
push eax
mov ecx, esi
call fcn.004d4ff2
inc dword [esi + 0x414]
test edi, edi
je 0x4d6135
cmp edi, dword [esp + 0x3c]
jne 0x4d6135
mov edx, dword [esp + 0x54]
mov ecx, edi
sub ecx, ebx
lea eax, [edx + ecx]
cmp eax, edi
jbe 0x4d6065
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.004d55f6
cmp dword [esp + 0x34], edi
jb 0x4d60ba
mov edx, dword [esp + 0x30]
push edi
push edx
mov ecx, esi
call fcn.004d527a
mov ebp, eax
mov eax, dword [esp + 0x38]
push edi
push eax
mov ecx, esi
call fcn.004d527a
cmp eax, ebp
mov ebp, dword [esp + 0x14]
jle 0x4d60ba
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.004d4f99
mov ecx, dword [esp + 0x38]
push edi
push ecx
mov ecx, esi
mov ebp, eax
call fcn.004d527a
cmp eax, ebp
jge 0x4d6115
mov eax, dword [esp + 0x38]
cmp eax, dword [esi + 0x424]
jne 0x4d60f0
cmp dword [esi + 0x428], 0
je 0x4d6108
cmp eax, 0x500
jl 0x4d60fc
cmp edi, 2
je 0x4d6115
cmp eax, 0x7d00
jl 0x4d6108
cmp edi, 3
je 0x4d6115
push edi
push eax
mov ecx, esi
call fcn.004d52fc
xor edi, edi
jmp 0x4d6135
mov ebp, dword [esp + 0x10]
add eax, 0
mov edx, ebx
sub edx, edi
push edx
push ebp
mov ecx, esi
call fcn.004d4ff2
inc ebp
sub edi, 1
jne 0x4d611e
mov dword [esp + 0x10], ebp
mov eax, dword [esp + 0x54]
inc ebx
dec eax
mov dword [esp + 0x58], ebx
cmp ebx, eax
jb 0x4d59fe
test edi, edi
je 0x4d61eb
cmp edi, 1
jbe 0x4d61db
mov ecx, dword [esp + 0x10]
push edi
mov eax, ebx
sub eax, edi
push eax
push ecx
mov ecx, esi
call fcn.004d4f99
mov edx, dword [esp + 0x38]
push edi
push edx
mov ecx, esi
mov ebp, eax
call fcn.004d527a
cmp eax, ebp
jg 0x4d61c2
mov eax, dword [esp + 0x38]
cmp eax, dword [esi + 0x424]
jne 0x4d6192
cmp dword [esi + 0x428], 0
je 0x4d61aa
cmp eax, 0x500
jl 0x4d619e
cmp edi, 2
je 0x4d61c2
cmp eax, 0x7d00
jl 0x4d61aa
cmp edi, 3
je 0x4d61c2
push edi
push eax
mov ecx, esi
call fcn.004d52fc
jmp 0x4d61eb
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.004d4ff2
inc ebp
sub edi, 1
jne 0x4d61c6
jmp 0x4d61eb
mov edx, dword [esp + 0x10]
lea ecx, [ebx - 1]
push ecx
push edx
mov ecx, esi
call fcn.004d4ff2
mov edi, dword [esp + 0x54]
mov ebp, 1
cmp ebx, edi
jae 0x4d6219
lea ebx, [ebx]
mov eax, dword [esi + 0x414]
push ebx
push eax
mov ecx, esi
call fcn.004d4ff2
add dword [esi + 0x414], ebp
add ebx, ebp
cmp ebx, edi
jb 0x4d61fe
or ebx, 0xffffffff
add dword [esi + 0x41c], ebx
lea ecx, [ebx + 9]
jne 0x4d6240
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 0x4d626f
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 0x4d629e
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 0x4d62fe
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 0x4d62fe
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