Function at 0x5fff30
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x98
call fcn.00693bc0
sub rsp, rax
mov rax, qword [0x0072f1d0]
mov qword [rsp + 0x40], rax
mov qword [rsp + 0x90], rbx
mov qword [rsp + 0x88], rbp
mov qword [rsp + 0x80], rsi
mov qword [rsp + 0x78], rdi
mov qword [rsp + 0x70], r12
movzx r12d, byte [rcx]
test r12b, 0x40
mov qword [rsp + 0x68], r13
mov r13, qword [rcx + 0x30]
mov qword [rsp + 0x58], r15
mov r15, qword [rcx + 0x28]
mov rsi, r9
mov qword [rsp + 0x28], r13
mov rbp, r8
mov rdi, rdx
mov rbx, rcx
mov byte [rsp + 0x20], r12b
jne 0x5fffab
lea rdx, [rcx + 0x10]
mov r8, r13
call r15
inc qword [rbx + 0x20]
mov al, r12b
mov r8d, reloc.WS2_32.dll_ntohs
mov qword [rsp + 0x60], r14
and eax, 7
xor r12d, r12d
mov r14d, r8d
sub r14d, eax
mov byte [rbx], al
mov rcx, r12
cmp r14d, r8d
mov dword [rsp + 0x24], r14d
movsxd rax, r14d
jae 0x5ffff5
lea rdx, [rax + rbx]
sub r8d, r14d
nop
movzx eax, byte [rdx]
mov byte [rdx], r12b
inc rdx
or rcx, rax
shl rcx, 8
dec r8
jne 0x5fffe0
movzx eax, byte [rbx + 0xf]
mov byte [rbx + 0xf], 1
or rcx, rax
cmp rcx, rsi
je 0x60000f
mov eax, 0xffffffff
jmp 0x6001ae
lea rax, [rsi + 0xf]
or rax, 8
shr rax, 3
add qword [rbx + 0x20], rax
movabs rax, 0x2000000000000000
cmp qword [rbx + 0x20], rax
jbe 0x600039
mov eax, 0xfffffffe
jmp 0x6001ae
cmp rsi, 0x10
jb 0x6000e6
mov r14, qword [rsp + 0x28]
mov r13, rsi
shr r13, 4
mov rax, r13
imul rax, rax, 0xfffffffffffffff0
add rsi, rax
nop
nop
mov rax, qword [rdi]
lea rdx, [rbx + 0x10]
lea rcx, [rbx + 0x10]
xor qword [rbx + 0x10], rax
mov rax, qword [rdi + 8]
mov r8, r14
xor qword [rbx + 0x18], rax
call r15
lea rdx, [rsp + 0x30]
mov r8, r14
mov rcx, rbx
call r15
mov r11d, 8
lea rcx, [rbx + 0x10]
nop
nop
nop
movzx eax, byte [rcx - 1]
dec rcx
add r11d, 0xffffffff
inc al
mov byte [rcx], al
jne 0x6000b6
test r11d, r11d
jne 0x6000a0
mov rax, qword [rdi]
add rbp, 0x10
add rdi, 0x10
xor rax, qword [rsp + 0x30]
mov qword [rbp - 0x10], rax
mov rax, qword [rdi - 8]
xor rax, qword [rsp + 0x38]
dec r13
mov qword [rbp - 8], rax
jne 0x600060
mov r14d, dword [rsp + 0x24]
mov r13, qword [rsp + 0x28]
test rsi, rsi
je 0x600169
test rsi, rsi
mov edx, r12d
je 0x600115
lea rcx, [rbx + 0x10]
mov r8, rdi
nop
nop
movzx eax, byte [r8]
inc edx
inc r8
xor byte [rcx], al
mov eax, edx
inc rcx
cmp rax, rsi
jb 0x600100
lea rcx, [rbx + 0x10]
mov r8, r13
mov rdx, rcx
call r15
lea rdx, [rsp + 0x30]
mov r8, r13
mov rcx, rbx
call r15
test rsi, rsi
je 0x600169
lea rax, [rsp + 0x30]
lea rcx, [rsp + 0x30]
sub rdi, rax
lea rax, [rsp + 0x30]
sub rbp, rax
nop
nop
movzx eax, byte [rdi + rcx]
inc r12d
inc rcx
xor al, byte [rcx - 1]
mov byte [rcx + rbp - 1], al
mov eax, r12d
cmp rax, rsi
jb 0x600150
cmp r14d, 0x10
movsxd rax, r14d
jae 0x600186
mov r8d, reloc.WS2_32.dll_recv
lea rcx, [rax + rbx]
xor edx, edx
sub r8d, r14d
call sub.msvcrt.dll_memset
lea rdx, [rsp + 0x30]
mov r8, r13
mov rcx, rbx
call r15
mov rax, qword [rsp + 0x30]
xor qword [rbx + 0x10], rax
mov rax, qword [rsp + 0x38]
xor qword [rbx + 0x18], rax
mov al, byte [rsp + 0x20]
mov byte [rbx], al
xor eax, eax
mov r15, qword [rsp + 0x58]
mov r14, qword [rsp + 0x60]
mov r13, qword [rsp + 0x68]
mov r12, qword [rsp + 0x70]
mov rdi, qword [rsp + 0x78]
mov rsi, qword [rsp + 0x80]
mov rbp, qword [rsp + 0x88]
mov rbx, qword [rsp + 0x90]
mov rcx, qword [rsp + 0x40]
call fcn.00693b90
add rsp, 0x98
ret