Function at 0x1400a8260
Capabilities:
Encode data using xor
Generate random numbers using the delphi lcg
Hash data with crc32

Disassembly:
push rbp
push rbx
push r12
lea rbp, [rsp - 0x550]
sub rsp, 0x650
mov rax, qword [0x1403b8008]
xor rax, rsp
mov qword [rbp + 0x520], rax
cmp dword [rcx + 0x24], 0
mov r12, r8
mov rbx, rcx
je 0x1400a829b
mov eax, 0x40000
jmp 0x1400a8747
cmp byte [rcx + 0x40], 0
je 0x1400a82ab
mov eax, 0x50000
jmp 0x1400a8747
mov rax, qword [rcx]
lea rcx, [rbp + 0x310]
neg rax
mov qword [rsp + 0x640], r13
sbb r13d, r13d
and r13d, 0xc
sub rcx, rdx
nop word [rax + rax]
movzx eax, word [rdx]
mov word [rcx + rdx], ax
lea rdx, [rdx + 2]
test ax, ax
jne 0x1400a82d0
movzx ecx, word [rbp + 0x310]
mov qword [rsp + 0x648], rdi
test cx, cx
jne 0x1400a82fe
mov eax, 0x10000
jmp 0x1400a8737
mov qword [rsp + 0x678], rsi
lea rax, [rbp + 0x310]
mov qword [rsp + 0x638], r14
mov edx, gethostbyaddr
mov qword [rsp + 0x630], r15
cmp cx, 0x5c
jne 0x1400a832b
mov word [rax], dx
movzx ecx, word [rax + 2]
add rax, 2
test cx, cx
jne 0x1400a8322
mov r14d, 8
lea rcx, [rbp + 0x310]
mov rsi, 0xffffffffffffffff
mov r15d, r14d
mov rax, rsi
cmp word [rcx + rax*2 + 2], 0
lea rax, [rax + 1]
jne 0x1400a8352
lea rdi, [rbp + 0x310]
xor ecx, ecx
lea rdi, [rdi + rax*2]
lea rax, [rbp + 0x310]
cmp rdi, rax
jbe 0x1400a838d
cmp word [rdi], 0x2e
je 0x1400a83a3
sub rdi, 2
lea rax, [rbp + 0x310]
cmp rdi, rax
ja 0x1400a8377
lea rax, [rbp + 0x310]
cmp rdi, rax
jne 0x1400a83a3
cmp word [rdi], 0x2e
jne 0x1400a8448
lea rdx, [0x140391f7c]
mov rcx, rdi
call fcn.1402ae2cc
test eax, eax
je 0x1400a843f
lea rdx, str..zip
mov rcx, rdi
call fcn.1402ae2cc
test eax, eax
je 0x1400a843f
lea rdx, str..zoo
mov rcx, rdi
call fcn.1402ae2cc
test eax, eax
je 0x1400a843f
lea rdx, str..arc
mov rcx, rdi
call fcn.1402ae2cc
test eax, eax
je 0x1400a843f
lea rdx, str..lzh
mov rcx, rdi
call fcn.1402ae2cc
test eax, eax
je 0x1400a843f
lea rdx, str..arj
mov rcx, rdi
call fcn.1402ae2cc
test eax, eax
je 0x1400a843f
lea rdx, [0x140391fc8]
mov rcx, rdi
call fcn.1402ae2cc
test eax, eax
je 0x1400a843f
lea rdx, str..tgz
mov rcx, rdi
call fcn.1402ae2cc
test eax, eax
jne 0x1400a8446
xor ecx, ecx
mov r15d, ecx
jmp 0x1400a8448
xor ecx, ecx
mov qword [rbx + 0xa8], rcx
mov qword [rbx + 0xb8], rcx
mov byte [rbx + 0xb0], 0
mov qword [rbx + 0x9c], 0
mov dword [rbx + 0x98], ecx
mov dword [rbx + 0xc8], ecx
test r12, r12
jne 0x1400a8485
mov edi, 0x10000
mov eax, edi
jmp 0x1400a871f
mov qword [rsp + 0x30], rcx
xor r9d, r9d
mov dword [rsp + 0x28], ecx
mov edx, 0x80000000
mov rcx, r12
mov dword [rsp + 0x20], 3
lea r8d, [r9 + 1]
call qword [sym.imp.KERNEL32.dll_CreateFileW]
mov r12, rax
cmp rax, rsi
jne 0x1400a84bf
mov edi, 0x200
mov eax, edi
jmp 0x1400a871f
mov rdx, r12
mov rcx, rbx
call fcn.1400a78c0
mov edi, eax
test eax, eax
je 0x1400a84e0
mov rcx, r12
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, edi
jmp 0x1400a871f
xor r12d, r12d
mov byte [rbx + 0xb0], 1
mov qword [rsp + 0x38], r12
lea rax, [rbp + 0xa8]
mov qword [rsp + 0x30], r12
lea r8, [rbp + 0x310]
mov dword [rsp + 0x28], 0x104
mov r9d, esi
xor edx, edx
mov qword [rsp + 0x20], rax
mov ecx, 0xfde9
mov qword [rbp + 0x2c0], r12
mov byte [rbp - 0x78], r12b
call qword [sym.imp.KERNEL32.dll_WideCharToMultiByte]
lea rax, [rbp + 0xa8]
inc rsi
cmp byte [rax + rsi], r12b
jne 0x1400a8531
mov ecx, 9
mov eax, dword [rbx + 0x90]
mov dword [rsp + 0x48], eax
mov qword [rsp + 0x58], rsi
mov byte [rbp + 0x1ac], r12b
mov qword [rbp + 0xa0], r12
mov qword [rsp + 0x70], r12
mov dword [rbp + 0x2b0], 1
mov dword [rbp + 0x2b8], r12d
mov word [rsp + 0x7a], r12w
mov dword [rsp + 0x40], 0x140b17
mov dword [rsp + 0x4c], r12d
mov word [rsp + 0x44], r14w
cmp qword [rbx], r12
je 0x1400a8599
movzx r14d, cx
mov word [rsp + 0x44], cx
mov word [rsp + 0x7c], r14w
mov word [rsp + 0x46], r15w
test r15d, r15d
jne 0x1400a85bd
mov eax, dword [rbx + 0x98]
test eax, eax
js 0x1400a85bd
add eax, r13d
mov dword [rsp + 0x50], eax
jmp 0x1400a85c2
mov dword [rsp + 0x50], r12d
mov eax, dword [rbx + 0x98]
mov r8, rbx
mov rdx, qword [rbx + 0x80]
mov dword [rsp + 0x54], eax
mov eax, dword [rbx + 0x70]
mov dword [rbp - 0x80], eax
mov eax, dword [rbx + 0x28]
add eax, dword [rbx + 0x20]
mov dword [rbp - 0x7c], eax
lea rax, [rbp + 0x2e0]
mov qword [rbp + 0x90], rax
lea rax, [rbp + 0x2f8]
mov qword [rbp + 0x98], rax
movzx eax, byte [rbx + 0x80]
mov byte [rbp + 0x2e5], al
mov rax, rdx
sar rax, 8
mov byte [rbp + 0x2e6], al
mov rax, rdx
sar rax, 0x10
mov byte [rbp + 0x2e7], al
movzx eax, byte [rbx + 0x78]
mov byte [rbp + 0x2e9], al
mov qword [rsp + 0x68], rcx
mov rcx, qword [rbx + 0x78]
mov rax, rcx
sar rdx, 0x18
sar rax, 8
mov byte [rbp + 0x2ea], al
mov rax, rcx
sar rax, 0x10
mov byte [rbp + 0x2eb], al
movzx eax, byte [rbx + 0x88]
sar rcx, 0x18
mov byte [rbp + 0x2ed], al
mov byte [rbp + 0x2ec], cl
mov rcx, qword [rbx + 0x88]
mov rax, rcx
mov dword [rbp + 0x2e0], 0xd5455
sar rax, 8
mov byte [rbp + 0x2ee], al
mov rax, rcx
sar rcx, 0x18
mov byte [rbp + 0x2e4], 7
movsd xmm0, qword [rbp + 0x2e0]
mov byte [rbp + 0x2f0], cl
lea rcx, [rsp + 0x40]
sar rax, 0x10
movsd qword [rbp + 0x2f8], xmm0
mov word [rsp + 0x78], r12w
mov qword [rsp + 0x60], setsockopt
mov byte [rbp + 0x2e8], dl
mov byte [rbp + 0x2ef], al
mov byte [rbp + 0x300], dl
mov byte [rbp + 0x2fa], 5
call fcn.1400a6570
test eax, eax
je 0x1400a8762
cmp byte [rbx + 0xb0], r12b
je 0x1400a8707
mov rcx, qword [rbx + 0xa8]
test rcx, rcx
je 0x1400a8707
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [rbx + 0x9c]
mov dword [rbx + 0x98], eax
mov qword [rbx + 0xa8], r12
mov eax, 0x400
mov r14, qword [rsp + 0x638]
mov rsi, qword [rsp + 0x678]
mov r15, qword [rsp + 0x630]
mov rdi, qword [rsp + 0x648]
mov r13, qword [rsp + 0x640]
mov rcx, qword [rbp + 0x520]
xor rcx, rsp
call fcn.1400a91a0
add rsp, 0x650
pop r12
pop rbx
pop rbp
ret
mov ecx, dword [rsp + 0x60]
add ecx, 0x1e
add ecx, dword [rsp + 0x58]
add dword [rbx + 0x28], ecx
cmp dword [rbx + 0x24], r12d
je 0x1400a87ac
cmp byte [rbx + 0xb0], r12b
je 0x1400a8791
mov rcx, qword [rbx + 0xa8]
test rcx, rcx
je 0x1400a8791
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [rbx + 0x9c]
mov dword [rbx + 0x98], eax
mov eax, dword [rbx + 0x24]
mov qword [rbx + 0xa8], r12
jmp 0x1400a871f
mov dword [rbx + 0x44], 0x12345678
lea rsi, [0x140390750]
mov dword [rbx + 0x48], 0x23456789
mov dword [rbx + 0x4c], 0x34567890
mov r8, qword [rbx]
test r8, r8
je 0x1400a8819
movzx eax, byte [r8]
test al, al
je 0x1400a8819
mov edx, dword [rbx + 0x44]
mov ecx, edx
xor rcx, rax
shr edx, 8
movzx eax, cl
xor edx, dword [rsi + rax*4]
movzx eax, dl
add eax, dword [rbx + 0x48]
imul ecx, eax, 0x8088405
mov dword [rbx + 0x44], edx
mov edx, dword [rbx + 0x4c]
inc ecx
mov dword [rbx + 0x48], ecx
movzx eax, byte [rbx + 0x4b]
movzx ecx, dl
xor rcx, rax
shr edx, 8
xor edx, dword [rsi + rcx*4]
mov dword [rbx + 0x4c], edx
add r8, 1
jne 0x1400a87d0
cmp byte [0x1403c41ec], r12b
jne 0x1400a883a
call qword [sym.imp.USER32.dll_GetDesktopWindow]
mov rdi, rax
call qword [sym.imp.KERNEL32.dll_GetTickCount]
xor edi, eax
mov ecx, edi
call fcn.1402ae274
mov rdi, r12
nop dword [rax]
call fcn.1402ae248
sar eax, 7
mov byte [rbp + rdi + 0x2d0], al
inc rdi
cmp rdi, 0xc
jl 0x1400a8840
mov eax, dword [rsp + 0x48]
mov rdi, r12
shr eax, 8
mov byte [rbp + 0x2db], al
nop dword [rax + rax]
mov r8d, dword [rbx + 0x4c]
mov edx, dword [rbx + 0x44]
mov r11d, r8d
movsx r9, byte [rbp + rdi + 0x2d0]
mov ecx, edx
xor rcx, r9
shr edx, 8
movzx eax, cl
and r8d, 0xfffd
or r8d, 2
xor edx, dword [rsi + rax*4]
mov r10d, edx
movzx eax, dl
add eax, dword [rbx + 0x48]
movsx rdx, byte [rbp + rdi + 0x2d1]
imul eax, eax, 0x8088405
inc eax
mov dword [rbx + 0x48], eax
mov ecx, eax
shr rcx, 0x18
movzx eax, r11b
xor rcx, rax
shr r11d, 8
mov eax, r8d
xor eax, 1
imul eax, r8d
xor r11d, dword [rsi + rcx*4]
mov ecx, r10d
movsx r8, byte [rbp + rdi + 0x2d2]
xor rcx, rdx
mov dword [rbx + 0x4c], r11d
and r11d, 0xfffd
shr r10d, 8
or r11d, 2
shr eax, 8
xor al, r9b
mov byte [rbp + rdi + 0x2d0], al
movzx eax, cl
xor r10d, dword [rsi + rax*4]
mov dword [rbx + 0x44], r10d
movzx eax, r10b
add eax, dword [rbx + 0x48]
imul eax, eax, 0x8088405
inc eax
mov dword [rbx + 0x48], eax
mov r9d, dword [rbx + 0x4c]
shr rax, 0x18
movzx ecx, r9b
xor rcx, rax
shr r9d, 8
mov eax, r11d
xor eax, 1
imul eax, r11d
xor r9d, dword [rsi + rcx*4]
mov dword [rbx + 0x4c], r9d
and r9d, 0xfffd
or r9d, 2
shr eax, 8
xor al, dl
mov edx, dword [rbx + 0x44]
mov byte [rbp + rdi + 0x2d1], al
mov ecx, edx
xor rcx, r8
shr edx, 8
movzx eax, cl
xor edx, dword [rsi + rax*4]
mov dword [rbx + 0x44], edx
movzx eax, dl
add eax, dword [rbx + 0x48]
imul eax, eax, 0x8088405
inc eax
mov dword [rbx + 0x48], eax
mov r10d, dword [rbx + 0x4c]
movzx ecx, r10b
shr rax, 0x18
xor rcx, rax
shr r10d, 8
mov eax, r9d
xor r10d, dword [rsi + rcx*4]
mov dword [rbx + 0x4c], r10d
xor eax, 1
mov edx, dword [rbx + 0x44]
and r10d, 0xfffd
imul eax, r9d
mov ecx, edx
shr edx, 8
or r10d, 2
shr eax, 8
xor al, r8b
movsx r8, byte [rbp + rdi + 0x2d3]
mov byte [rbp + rdi + 0x2d2], al
xor rcx, r8
movzx eax, cl
xor edx, dword [rsi + rax*4]
mov dword [rbx + 0x44], edx
movzx eax, dl
add eax, dword [rbx + 0x48]
imul eax, eax, 0x8088405
inc eax
mov dword [rbx + 0x48], eax
mov r11d, dword [rbx + 0x4c]
shr rax, 0x18
movzx ecx, r11b
xor rcx, rax
shr r11d, 8
mov eax, r10d
xor eax, 1
imul eax, r10d
xor r11d, dword [rsi + rcx*4]
mov dword [rbx + 0x4c], r11d
and r11d, 0xfffd
mov edx, dword [rbx + 0x44]
or r11d, 2
mov ecx, edx
shr edx, 8
shr eax, 8
xor al, r8b
movsx r8, byte [rbp + rdi + 0x2d4]
mov byte [rbp + rdi + 0x2d3], al
xor rcx, r8
movzx eax, cl
xor edx, dword [rsi + rax*4]
mov dword [rbx + 0x44], edx
movzx eax, dl
add eax, dword [rbx + 0x48]
imul eax, eax, 0x8088405
inc eax
mov dword [rbx + 0x48], eax
mov r9d, dword [rbx + 0x4c]
shr rax, 0x18
movzx ecx, r9b
xor rcx, rax
shr r9d, 8
mov eax, r11d
xor eax, 1
imul eax, r11d
xor r9d, dword [rsi + rcx*4]
mov dword [rbx + 0x4c], r9d
and r9d, 0xfffd
mov edx, dword [rbx + 0x44]
or r9d, 2
mov ecx, edx
shr edx, 8
shr eax, 8
xor al, r8b
movsx r8, byte [rbp + rdi + 0x2d5]
mov byte [rbp + rdi + 0x2d4], al
xor rcx, r8
movzx eax, cl
xor edx, dword [rsi + rax*4]
movzx eax, dl
mov dword [rbx + 0x44], edx
add eax, dword [rbx + 0x48]
imul eax, eax, 0x8088405
inc eax
mov dword [rbx + 0x48], eax
mov edx, dword [rbx + 0x4c]
movzx ecx, dl
shr rax, 0x18
xor rcx, rax
shr edx, 8
xor edx, dword [rsi + rcx*4]
mov eax, r9d
mov dword [rbx + 0x4c], edx
xor eax, 1
imul eax, r9d
shr eax, 8
xor al, r8b
mov byte [rbp + rdi + 0x2d5], al
add rdi, 6
cmp rdi, 0xc
jl 0x1400a8870
cmp qword [rbx], r12
je 0x1400a8b1f
mov r8d, reloc.WS2_32.dll_inet_ntoa
lea rdx, [rbp + 0x2d0]
mov rcx, rbx
call fcn.1400a76b0
add dword [rbx + 0x28], 0xc
mov edi, r12d
cmp qword [rbx], rdi
setne al
mov byte [rbx + 0x41], al
cmp r15d, 8
jne 0x1400a8b42
lea rdx, [rsp + 0x40]
mov rcx, rbx
call fcn.1400a7bb0
mov edi, eax
jmp 0x1400a8bac
test r15d, r15d
jne 0x1400a8bac
mov r8d, 0x4000
lea rdx, [rbx + 0xcc]
mov rcx, rbx
mov r14d, r12d
call fcn.1400a7ac0
mov edi, eax
test eax, eax
je 0x1400a8ba2
cmp edi, 0xffffffff
je 0x1400a8ba2
mov r8d, edi
lea rdx, [rbx + 0xcc]
mov rcx, rbx
call fcn.1400a76b0
cmp eax, edi
jne 0x1400a8c83
mov r8d, 0x4000
lea rdx, [rbx + 0xcc]
mov rcx, rbx
add r14d, edi
call fcn.1400a7ac0
mov edi, eax
test eax, eax
jne 0x1400a8b65
mov dword [rbx + 0xc8], r14d
mov edi, r12d
mov byte [rbx + 0x41], r12b
cmp byte [rbx + 0xb0], r12b
je 0x1400a8bcb
mov rcx, qword [rbx + 0xa8]
test rcx, rcx
je 0x1400a8bcb
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, dword [rbx + 0xc8]
add dword [rbx + 0x28], ecx
mov eax, dword [rbx + 0x24]
mov edx, dword [rbx + 0x9c]
mov qword [rbx + 0xa8], r12
mov dword [rbx + 0x98], edx
test eax, eax
jne 0x1400a871f
test edi, edi
jne 0x1400a871a
mov eax, dword [rbx + 0xa0]
add ecx, r13d
cmp dword [rsp + 0x50], ecx
mov dword [rsp + 0x4c], eax
sete r8b
mov dword [rsp + 0x50], ecx
mov dword [rsp + 0x54], edx
cmp byte [rbx + 0x2c], r12b
je 0x1400a8c8d
cmp qword [rbx], r12
jne 0x1400a8c8d
movzx eax, word [rsp + 0x44]
mov word [rsp + 0x46], r15w
test al, 1
jne 0x1400a8c3e
mov ecx, 0xfff7
and ax, cx
mov word [rsp + 0x44], ax
mov edx, dword [rbp - 0x7c]
mov rcx, rbx
sub edx, dword [rbx + 0x20]
mov word [rsp + 0x7c], ax
call fcn.1400a7850
test al, al
je 0x1400a8c79
mov r8, rbx
lea rcx, [rsp + 0x40]
call fcn.1400a6570
test eax, eax
jne 0x1400a871a
mov edx, dword [rbx + 0x28]
mov rcx, rbx
call fcn.1400a7850
test al, al
jne 0x1400a8cca
mov eax, 0x2000000
jmp 0x1400a871f
mov edi, 0x60000
jmp 0x1400a8bac
cmp word [rsp + 0x46], r15w
jne 0x1400a8dbd
test r15d, r15d
jne 0x1400a8ca7
test r8b, r8b
je 0x1400a8dbd
mov r8, rbx
lea rcx, [rsp + 0x40]
call fcn.1400a6900
test eax, eax
jne 0x1400a871a
movzx eax, word [rsp + 0x7c]
add dword [rbx + 0x28], 0x10
mov word [rsp + 0x44], ax
mov eax, dword [rbx + 0x24]
test eax, eax
jne 0x1400a871f
mov rcx, qword [rsp + 0x68]
call fcn.1400a96b0
mov r8, qword [rsp + 0x68]
mov rcx, rax
mov rdx, qword [rbp + 0x98]
mov rdi, rax
call fcn.140299960
mov ecx, 0x388
mov qword [rbp + 0x98], rdi
call fcn.1400a96e4
mov r8, rax
mov rcx, rax
lea rax, [rsp + 0x40]
mov edx, 7
nop word [rax + rax]
lea rcx, [rcx + 0x80]
movups xmm0, xmmword [rax]
lea rax, [rax + 0x80]
movups xmmword [rcx - 0x80], xmm0
movups xmm1, xmmword [rax - 0x70]
movups xmmword [rcx - 0x70], xmm1
movups xmm0, xmmword [rax - 0x60]
movups xmmword [rcx - 0x60], xmm0
movups xmm1, xmmword [rax - 0x50]
movups xmmword [rcx - 0x50], xmm1
movups xmm0, xmmword [rax - 0x40]
movups xmmword [rcx - 0x40], xmm0
movups xmm1, xmmword [rax - 0x30]
movups xmmword [rcx - 0x30], xmm1
movups xmm0, xmmword [rax - 0x20]
movups xmmword [rcx - 0x20], xmm0
movups xmm1, xmmword [rax - 0x10]
movups xmmword [rcx - 0x10], xmm1
sub rdx, 1
jne 0x1400a8d20
mov rax, qword [rax]
mov qword [rcx], rax
mov rcx, qword [rbx + 0x60]
test rcx, rcx
jne 0x1400a8d8d
mov qword [rbx + 0x60], r8
xor eax, eax
jmp 0x1400a871f
mov rax, qword [rcx + 0x380]
test rax, rax
je 0x1400a8daf
nop dword [rax]
mov rcx, rax
mov rax, qword [rax + 0x380]
test rax, rax
jne 0x1400a8da0
mov qword [rcx + 0x380], r8
xor eax, eax
jmp 0x1400a871f
mov eax, 0x4000000
jmp 0x1400a871f