Function at 0x42a500
Capabilities:
Encode data using xor
Generate random numbers using the delphi lcg

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x4b0
mov eax, dword [0x4536f0]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push edi
mov edi, ecx
mov ecx, dword [ebp + 0xc]
xor ebx, ebx
mov dword [ebp - 0x4b0], edi
mov dword [ebp - 0x4a0], ecx
cmp dword [edi + 0x14], ebx
je 0x42a547
pop edi
mov eax, 0x40000
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042bc9a
mov esp, ebp
pop ebp
ret 0x10
cmp byte [edi + 0x2c], bl
je 0x42a563
pop edi
mov eax, 0x50000
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042bc9a
mov esp, ebp
pop ebp
ret 0x10
push esi
mov esi, dword [ebp + 0x14]
mov dword [ebp - 0x4ac], ebx
cmp dword [edi], ebx
je 0x42a580
cmp esi, 4
je 0x42a580
mov dword [ebp - 0x4ac], 0xc
push eax
lea edx, [ebp - 0x134]
push edx
call dword [0x4660e4]
cmp byte [ebp - 0x134], bl
je 0x42ae2a
lea eax, [ebp - 0x134]
cmp byte [eax], 0x5c
jne 0x42a5a8
mov byte [eax], 0x2f
inc eax
cmp byte [eax], bl
jne 0x42a5a0
cmp esi, 4
sete al
mov byte [ebp - 0x499], al
cmp al, bl
je 0x42a5e0
lea eax, [ebp - 0x134]
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
cmp cl, bl
jne 0x42a5c6
sub eax, edx
cmp byte [ebp + eax - 0x135], 0x2f
mov byte [ebp - 0x498], 1
jne 0x42a5e6
mov byte [ebp - 0x498], bl
mov esi, 8
mov dword [ebp - 0x4a8], esi
cmp byte [ebp - 0x499], bl
jne 0x42a60c
lea eax, [ebp - 0x134]
push eax
call fcn.00428200
add esp, 4
test al, al
je 0x42a614
xor esi, esi
mov dword [ebp - 0x4a8], esi
mov eax, dword [ebp + 0x14]
cmp eax, 2
jne 0x42a62c
mov ecx, dword [ebp - 0x4a0]
push ecx
mov ecx, edi
call fcn.004296e0
jmp 0x42a66e
cmp eax, 1
jne 0x42a645
mov edx, dword [ebp + 0x10]
mov eax, dword [ebp - 0x4a0]
push edx
push eax
mov ecx, edi
call fcn.00428910
jmp 0x42a66e
cmp eax, 3
jne 0x42a65e
mov ecx, dword [ebp + 0x10]
mov edx, dword [ebp - 0x4a0]
push ecx
push edx
mov ecx, edi
call fcn.00428a70
jmp 0x42a66e
cmp eax, 4
jne 0x42ae2a
mov ecx, edi
call fcn.00428bb0
cmp eax, ebx
jne 0x42ae2f
push 0x44b15f
lea eax, [ebp - 0x45c]
push eax
mov dword [ebp - 0x138], ebx
call dword [0x4660e4]
lea ecx, [ebp - 0x134]
push ecx
lea edx, [ebp - 0x34c]
push edx
call dword [0x4660e4]
lea eax, [ebp - 0x34c]
push eax
call dword [0x465f30]
mov dword [ebp - 0x47c], eax
cmp byte [ebp - 0x498], bl
je 0x42a6d5
push 0x44b6ac
lea ecx, [ebp - 0x34c]
push ecx
call dword [0x466038]
inc dword [ebp - 0x47c]
push 0x44b227
lea edx, [ebp - 0x248]
push edx
call dword [0x4660e4]
xor eax, eax
mov word [ebp - 0x46a], ax
mov eax, dword [edi + 0x68]
mov dword [ebp - 0x48c], eax
mov eax, 8
mov dword [ebp - 0x350], ebx
mov dword [ebp - 0x470], ebx
mov dword [ebp - 0x144], 1
mov dword [ebp - 0x13c], ebx
mov dword [ebp - 0x494], 0x140b17
mov dword [ebp - 0x488], ebx
mov word [ebp - 0x490], ax
cmp dword [edi], ebx
je 0x42a749
cmp byte [ebp - 0x499], bl
jne 0x42a749
mov eax, 9
mov word [ebp - 0x490], ax
mov word [ebp - 0x468], ax
mov word [ebp - 0x48e], si
cmp esi, ebx
jne 0x42a770
mov eax, dword [edi + 0x70]
cmp eax, ebx
jl 0x42a770
add eax, dword [ebp - 0x4ac]
mov dword [ebp - 0x484], eax
jmp 0x42a776
mov dword [ebp - 0x484], ebx
mov edx, dword [edi + 0x70]
mov ecx, dword [edi + 0x4c]
mov dword [ebp - 0x480], edx
mov edx, dword [edi + 0x18]
add edx, dword [edi + 0x10]
xor eax, eax
mov word [ebp - 0x46c], ax
mov dword [ebp - 0x464], ecx
mov dword [ebp - 0x460], edx
mov dl, byte [edi + 0x58]
mov byte [ebp - 0x13], dl
lea eax, [ebp - 0x18]
mov dword [ebp - 0x358], eax
mov eax, dword [edi + 0x5c]
mov esi, eax
lea ecx, [ebp - 0x30]
mov dword [ebp - 0x354], ecx
mov ecx, dword [edi + 0x58]
mov edx, ecx
shrd edx, esi, 8
sar esi, 8
mov esi, eax
mov byte [ebp - 0x12], dl
mov edx, ecx
shrd edx, esi, 0x10
shrd ecx, eax, 0x18
sar esi, 0x10
sar eax, 0x18
mov al, byte [edi + 0x50]
mov byte [ebp - 0xf], al
mov eax, dword [edi + 0x54]
mov byte [ebp - 0x11], dl
mov dl, cl
mov ecx, dword [edi + 0x50]
mov ebx, ecx
mov esi, eax
shrd ebx, esi, 8
mov byte [ebp - 0xe], bl
mov ebx, ecx
shrd ecx, eax, 0x18
sar esi, 8
mov esi, eax
shrd ebx, esi, 0x10
mov byte [ebp - 0xc], cl
mov cl, byte [edi + 0x60]
sar esi, 0x10
sar eax, 0x18
mov eax, dword [edi + 0x64]
mov byte [ebp - 0xb], cl
mov ecx, dword [edi + 0x60]
mov byte [ebp - 0xd], bl
mov ebx, ecx
mov esi, eax
shrd ebx, esi, 8
mov byte [ebp - 0xa], bl
mov ebx, ecx
shrd ecx, eax, 0x18
sar esi, 8
mov esi, eax
shrd ebx, esi, 0x10
push edi
mov dword [ebp - 0x18], 0xd5455
mov byte [ebp - 0x10], dl
sar eax, 0x18
mov eax, dword [ebp - 0x18]
mov byte [ebp - 0x28], dl
mov byte [ebp - 0x14], 7
mov byte [ebp - 8], cl
mov ecx, dword [ebp - 0x14]
lea edx, [ebp - 0x494]
push 0x428ac0
mov dword [ebp - 0x30], eax
push edx
mov dword [ebp - 0x478], 0x11
mov dword [ebp - 0x474], 9
sar esi, 0x10
mov byte [ebp - 9], bl
mov dword [ebp - 0x2c], ecx
mov byte [ebp - 0x2e], 5
call fcn.00427850
add esp, 0xc
test eax, eax
je 0x42a8b1
mov ecx, edi
call fcn.00428d70
pop esi
pop edi
mov eax, 0x400
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042bc9a
mov esp, ebp
pop ebp
ret 0x10
mov eax, dword [ebp - 0x47c]
mov ecx, dword [ebp - 0x478]
lea edx, [ecx + eax + 0x1e]
add dword [edi + 0x18], edx
cmp dword [edi + 0x14], 0
je 0x42a8e7
mov ecx, edi
call fcn.00428d70
mov eax, dword [edi + 0x14]
pop esi
pop edi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042bc9a
mov esp, ebp
pop ebp
ret 0x10
lea esi, [edi + 0x30]
mov dword [edi + 0x34], 0x23456789
mov dword [edi + 0x38], 0x34567890
mov edi, dword [edi]
mov dword [esi], 0x12345678
test edi, edi
je 0x42a918
movzx eax, byte [edi]
test al, al
je 0x42a918
push eax
push esi
call fcn.004281b0
add esp, 8
inc edi
jne 0x42a904
cmp byte [0x466168], 0
jne 0x42a93a
call dword [0x465e90]
mov edi, eax
call dword [0x4660a4]
xor edi, eax
push edi
call fcn.0042e350
add esp, 4
xor edi, edi
lea esp, [esp]
call fcn.0042e362
sar eax, 7
mov byte [ebp + edi - 0x24], al
inc edi
cmp edi, 0xc
jl 0x42a940
mov eax, dword [ebp - 0x48c]
mov edi, dword [esi + 4]
mov ecx, dword [esi]
shr eax, 8
xor edx, edx
mov byte [ebp - 0x19], al
mov eax, dword [esi + 8]
mov dword [ebp - 0x4a0], edx
mov dword [ebp - 0x4a4], edi
mov dl, byte [ebp + edx - 0x24]
movsx edx, dl
xor edx, ecx
and edx, 0xff
mov edi, ecx
mov ecx, dword [edx*4 + 0x44b278]
shr edi, 8
xor ecx, edi
movzx edi, cl
add edi, dword [ebp - 0x4a4]
mov ebx, eax
imul edi, edi, 0x8088405
and ebx, 0xfffd
or ebx, 2
inc edi
mov edx, edi
shr edx, 0x18
xor edx, eax
shr eax, 8
mov dword [esi], ecx
mov dword [esi + 4], edi
and edx, 0xff
xor eax, dword [edx*4 + 0x44b278]
mov edx, ebx
xor edx, 1
imul edx, ebx
mov ebx, dword [ebp - 0x4a0]
shr edx, 8
xor dl, byte [ebp + ebx - 0x24]
mov dword [esi + 8], eax
mov byte [ebp + ebx - 0x24], dl
mov edx, ebx
movzx ebx, byte [ebp + edx - 0x23]
mov byte [ebp - 0x498], bl
mov ebx, eax
and ebx, 0xfffd
or ebx, 2
mov dword [ebp - 0x4a0], ebx
movsx ebx, byte [ebp - 0x498]
xor ebx, ecx
and ebx, 0xff
mov ebx, dword [ebx*4 + 0x44b278]
shr ecx, 8
xor ebx, ecx
movzx ecx, bl
add ecx, edi
imul ecx, ecx, 0x8088405
inc ecx
mov dword [esi], ebx
mov edi, ecx
shr edi, 0x18
xor edi, eax
shr eax, 8
mov dword [ebp - 0x4a4], ebx
and edi, 0xff
mov dword [esi + 4], ecx
xor eax, dword [edi*4 + 0x44b278]
mov edi, eax
mov eax, dword [ebp - 0x4a0]
mov ebx, eax
xor ebx, 1
imul ebx, eax
shr ebx, 8
xor bl, byte [ebp - 0x498]
mov eax, edi
mov byte [ebp + edx - 0x23], bl
mov bl, byte [ebp + edx - 0x22]
and eax, 0xfffd
or eax, 2
mov byte [ebp - 0x498], bl
mov dword [ebp - 0x4a0], eax
mov eax, dword [ebp - 0x4a4]
movsx ebx, bl
xor ebx, eax
shr eax, 8
and ebx, 0xff
mov dword [ebp - 0x4a4], eax
mov dword [esi + 8], edi
mov eax, dword [ebx*4 + 0x44b278]
xor eax, dword [ebp - 0x4a4]
mov dword [ebp - 0x4a4], eax
mov dword [esi], eax
movzx eax, al
add eax, ecx
imul eax, eax, 0x8088405
inc eax
mov ecx, eax
shr ecx, 0x18
xor ecx, edi
mov dword [esi + 4], eax
and ecx, 0xff
shr edi, 8
xor edi, dword [ecx*4 + 0x44b278]
mov ecx, dword [ebp - 0x4a0]
mov ebx, ecx
xor ebx, 1
imul ebx, ecx
shr ebx, 8
xor bl, byte [ebp - 0x498]
mov ecx, edi
mov byte [ebp + edx - 0x22], bl
mov bl, byte [ebp + edx - 0x21]
mov byte [ebp - 0x498], bl
and ecx, 0xfffd
movsx ebx, bl
or ecx, 2
mov dword [ebp - 0x4a0], ecx
mov ecx, dword [ebp - 0x4a4]
xor ebx, ecx
and ebx, 0xff
shr ecx, 8
mov dword [esi + 8], edi
mov dword [ebp - 0x4a4], ecx
mov ecx, dword [ebx*4 + 0x44b278]
xor ecx, dword [ebp - 0x4a4]
add edx, 4
movzx ebx, cl
add eax, ebx
imul eax, eax, 0x8088405
inc eax
mov dword [esi + 4], eax
mov dword [ebp - 0x4a4], eax
shr eax, 0x18
xor eax, edi
and eax, 0xff
shr edi, 8
mov dword [esi], ecx
xor edi, dword [eax*4 + 0x44b278]
mov eax, edi
mov edi, dword [ebp - 0x4a0]
mov ebx, edi
xor ebx, 1
imul ebx, edi
shr ebx, 8
xor bl, byte [ebp - 0x498]
mov dword [esi + 8], eax
mov byte [ebp + edx - 0x25], bl
mov dword [ebp - 0x4a0], edx
cmp edx, 0xc
jl 0x42a974
mov ebx, dword [ebp - 0x4b0]
xor esi, esi
cmp dword [ebx], esi
je 0x42abbd
cmp byte [ebp - 0x499], 0
jne 0x42abbd
push 0xc
lea edx, [ebp - 0x24]
push edx
mov ecx, ebx
call fcn.00428740
add dword [ebx + 0x18], 0xc
xor edi, edi
cmp dword [ebx], esi
je 0x42abd1
cmp byte [ebp - 0x499], 0
jne 0x42abd1
lea eax, [edi + 1]
jmp 0x42abd3
xor eax, eax
cmp byte [ebp - 0x499], 0
mov byte [ebx + 0x2d], al
jne 0x42ac0b
mov eax, dword [ebp - 0x4a8]
cmp eax, 8
jne 0x42abfc
lea eax, [ebp - 0x494]
push eax
mov ecx, ebx
call fcn.0042a3e0
mov edi, eax
jmp 0x42ac11
cmp eax, esi
jne 0x42ac11
mov ecx, ebx
call fcn.00428dd0
mov edi, eax
jmp 0x42ac11
mov dword [ebx + 0x90], esi
cmp byte [ebx + 0x80], 0
mov byte [ebx + 0x2d], 0
je 0x42ac2c
mov eax, dword [ebx + 0x7c]
cmp eax, esi
je 0x42ac2c
push eax
call dword [0x465ed0]
mov ecx, dword [ebx + 0x90]
mov eax, dword [ebx + 0x14]
add dword [ebx + 0x18], ecx
mov dword [ebx + 0x7c], esi
mov esi, dword [ebx + 0x74]
mov dword [ebx + 0x70], esi
test eax, eax
jne 0x42ae2f
test edi, edi
jne 0x42a899
mov edx, dword [ebp - 0x4ac]
lea eax, [ecx + edx]
cmp dword [ebp - 0x484], eax
mov edx, dword [ebx + 0x78]
sete cl
cmp byte [ebx + 0x1c], 0
mov dword [ebp - 0x488], edx
mov dword [ebp - 0x484], eax
mov dword [ebp - 0x480], esi
je 0x42ad1d
cmp dword [ebx], edi
je 0x42ac93
cmp byte [ebp - 0x499], 0
je 0x42ad1d
test byte [ebp - 0x490], 1
mov ax, word [ebp - 0x4a8]
mov word [ebp - 0x48e], ax
jne 0x42acb6
mov ecx, 0xfff7
and word [ebp - 0x490], cx
mov eax, dword [ebp - 0x460]
sub eax, dword [ebx + 0x10]
mov dx, word [ebp - 0x490]
push eax
mov ecx, ebx
mov word [ebp - 0x468], dx
call fcn.004288a0
test al, al
je 0x42ad05
push ebx
lea ecx, [ebp - 0x494]
push 0x428ac0
push ecx
call fcn.00427850
add esp, 0xc
test eax, eax
jne 0x42a899
mov edx, dword [ebx + 0x18]
push edx
mov ecx, ebx
call fcn.004288a0
test al, al
jne 0x42ad7b
pop esi
pop edi
mov eax, 0x2000000
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042bc9a
mov esp, ebp
pop ebp
ret 0x10
mov eax, dword [ebp - 0x4a8]
cmp word [ebp - 0x48e], ax
jne 0x42ad34
test eax, eax
jne 0x42ad4c
test cl, cl
jne 0x42ad4c
pop esi
pop edi
mov eax, 0x4000000
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042bc9a
mov esp, ebp
pop ebp
ret 0x10
push ebx
lea eax, [ebp - 0x494]
push 0x428ac0
push eax
call fcn.00427a90
add esp, 0xc
test eax, eax
jne 0x42a899
mov cx, word [ebp - 0x468]
add dword [ebx + 0x18], 0x10
mov word [ebp - 0x490], cx
mov eax, dword [ebx + 0x14]
test eax, eax
jne 0x42ae2f
mov edx, dword [ebp - 0x474]
push edx
call fcn.0042c7c1
mov ecx, dword [ebp - 0x354]
mov esi, eax
mov eax, dword [ebp - 0x474]
push eax
push ecx
push esi
call fcn.0042bdb0
push 0x360
mov dword [ebp - 0x354], esi
call fcn.0042c7c1
mov ecx, 0xd8
lea esi, [ebp - 0x494]
mov edi, eax
rep movsd dword es:[edi], dword [esi]
mov ecx, dword [ebx + 0x44]
add esp, 0x14
test ecx, ecx
jne 0x42ade9
pop esi
mov dword [ebx + 0x44], eax
pop edi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042bc9a
mov esp, ebp
pop ebp
ret 0x10
cmp dword [ecx + 0x35c], 0
je 0x42ae0f
jmp 0x42ae00
mov ecx, dword [ecx + 0x35c]
cmp dword [ecx + 0x35c], 0
jne 0x42ae00
pop esi
pop edi
mov dword [ecx + 0x35c], eax
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0042bc9a
mov esp, ebp
pop ebp
ret 0x10
mov eax, 0x10000
mov ecx, dword [ebp - 4]
pop esi
pop edi
xor ecx, ebp
pop ebx
call fcn.0042bc9a
mov esp, ebp
pop ebp
ret 0x10