Function at 0x140121260
Capabilities:
Encode data using xor

Disassembly:
push rbp
push rdi
push r12
push r14
mov eax, pe_nt_image_headers64
call fcn.140239ef0
sub rsp, rax
mov rax, qword [0x1403285e8]
xor rax, rsp
mov qword [rsp + 0xf0], rax
mov rbp, qword [rcx + 0x70]
mov r12, r8
mov qword [rsp + 0x48], r9
mov r14, rdx
mov qword [rsp + 0x30], rcx
mov rdi, qword [rbp + 0xc8]
lea rax, [rdi + 0x10]
cmp r9, rax
je 0x1401212b4
mov eax, 0xffffffff
jmp 0x140121689
mov qword [rsp + 0x120], rbx
lea rax, [rsp + 0x50]
mov qword [rsp + 0x118], rsi
lea rdx, [0x14027c7f0]
neg rax
mov qword [rsp + 0x110], r13
mov qword [rsp + 0x108], r15
lea r13, [rbp + 0x20]
and eax, 0xf
mov qword [rsp + 0x20], r13
xor esi, esi
lea r15, [rsp + 0x50]
add r15, rax
mov dword [r13], esi
mov r9, rbp
mov rcx, r15
lea rax, [r15 + 0x30]
mov qword [rsp + 0x38], rax
lea rbx, [r15 + 0x40]
cmp rdi, 0x40
ja 0x140121519
mov eax, 0x80
mov r8d, eax
mov qword [rsp + 0x40], rax
call fcn.140184810
mov rdx, r15
lea rcx, [rbp + 0xd0]
call fcn.140184de0
movups xmm0, xmmword [rbp + 0x94]
mov rax, qword [rsp + 0x30]
mov dword [rbp + 0x70], esi
movups xmmword [r15 + 0x30], xmm0
mov qword [rbp + 0xa8], reloc.WS2_32.dll_listen
mov qword [rbp + 0xb0], rdi
cmp dword [rax + 0x10], esi
je 0x14012139b
test rdi, rdi
je 0x1401214ee
mov rcx, r12
mov rdx, r14
sub rcx, rbx
mov rsi, rdi
sub rdx, rbx
nop
movzx eax, byte [rcx + rbx]
xor byte [rbx], al
movzx eax, byte [rbx]
mov byte [rdx + rbx], al
lea rbx, [rbx + 1]
sub rdi, 1
jne 0x140121380
jmp 0x1401214ee
test rdi, rdi
je 0x1401214ee
cmp rdi, 0x40
jb 0x1401214b1
lea rcx, [rdi - 1]
lea rdx, [r14 - 1]
add rcx, rbx
add rdx, rdi
cmp rbx, rdx
ja 0x1401213ca
cmp rcx, r14
jae 0x1401214b1
lea rax, [r12 - 1]
add rax, rdi
cmp rbx, rax
ja 0x1401213e0
cmp rcx, r12
jae 0x1401214b1
cmp r14, rax
ja 0x1401213ee
cmp rdx, r12
jae 0x1401214b1
mov r8, rdi
and r8, 0xffffffffffffffc0
mov rax, r12
lea rcx, [r15 + 0x50]
sub rax, rbx
mov r9, r12
sub r9, r14
mov rdx, r14
sub rdx, rbx
lea r10, [rax + 0x10]
lea r11, [rax + 0x20]
lea r13, [rax - 0x10]
nop word [rax + rax]
movdqu xmm0, xmmword [rcx - 0x10]
lea rax, [rcx + rdx]
add rsi, 0x40
movdqu xmm2, xmmword [rcx + r13]
movdqu xmm3, xmmword [r10 + rcx]
movdqu xmmword [rcx - 0x10], xmm2
lea rcx, [rcx + 0x40]
movdqa xmm1, xmm2
pxor xmm1, xmm0
movdqu xmm0, xmmword [rcx - 0x40]
movdqu xmm2, xmmword [rax + r9]
movdqu xmmword [rdx + rcx - 0x50], xmm1
movdqa xmm1, xmm2
pxor xmm1, xmm0
movdqu xmmword [rcx - 0x40], xmm2
movdqu xmm0, xmmword [rcx - 0x30]
movdqu xmm2, xmmword [r11 + rcx - 0x40]
movdqu xmmword [rax], xmm1
movdqa xmm1, xmm3
pxor xmm1, xmm0
movdqu xmmword [rdx + rcx - 0x30], xmm1
movdqa xmm1, xmm2
movdqu xmmword [rcx - 0x30], xmm3
movdqu xmm0, xmmword [rcx - 0x20]
movdqu xmmword [rcx - 0x20], xmm2
pxor xmm1, xmm0
movdqu xmmword [rdx + rcx - 0x20], xmm1
cmp rsi, r8
jb 0x140121420
cmp rsi, rdi
jae 0x1401214ee
lea r8, [r15 + 0x40]
mov r10, r12
add r8, rsi
mov r11, r14
sub r10, r14
sub r11, rbx
mov r9, rdi
sub r9, rsi
mov rsi, rdi
nop dword [rax]
movzx eax, byte [r8]
lea rcx, [r8 + r11]
movzx edx, byte [rcx + r10]
mov byte [r8], dl
lea r8, [r8 + 1]
xor al, dl
mov byte [rcx], al
sub r9, 1
jne 0x1401214d0
mov rbx, rsi
lea rcx, [r15 + 0x40]
neg rbx
add rcx, rsi
and ebx, 0xf
xor edx, edx
mov r8d, ebx
call fcn.14023c420
lea rax, [rbx + rsi]
lea r8, [rax + 0x20]
lea rcx, [rax + r15]
jmp 0x1401215f4
mov eax, 0x40
mov r8d, eax
mov qword [rsp + 0x40], rax
call fcn.140184810
mov rdx, r15
lea rcx, [rbp + 0xd0]
call fcn.140184de0
mov r8d, reloc.WS2_32.dll_recv
mov dword [r13], 1
lea rdx, [rbp + 0x94]
mov dword [rbp + 0x70], esi
lea rcx, [rbp + 0xd0]
call fcn.140184f40
mov rax, qword [rsp + 0x30]
mov r8, rdi
mov qword [rbp + 0xa8], reloc.WS2_32.dll_listen
mov rdx, r12
mov qword [rbp + 0xb0], rdi
mov qword [rsp + 0x38], rbx
cmp dword [rax + 0x10], esi
je 0x1401215a9
mov r9, rbp
mov qword [rsp + 0x20], r13
mov rcx, r14
call fcn.140184810
mov r8, rdi
lea rcx, [rbp + 0xd0]
mov rdx, r14
call fcn.140184f40
jmp 0x1401215cb
lea rcx, [rbp + 0xd0]
call fcn.140184f40
mov r9, rbp
mov qword [rsp + 0x20], r13
mov r8, rdi
mov rdx, r12
mov rcx, r14
call fcn.140184810
mov r8, rdi
lea rdx, [0x14027c7f0]
neg r8
lea rcx, [rbp + 0xd0]
and r8d, 0xf
call fcn.140184f40
mov r8d, reloc.WS2_32.dll_recv
mov rcx, r15
mov rsi, rdi
movups xmm0, xmmword [rbp + 0xa8]
lea rbx, [r14 + rsi]
add r12, rsi
mov r14, qword [rsp + 0x38]
movups xmmword [rcx + 0x40], xmm0
lea rcx, [rbp + 0xd0]
mov rdx, r14
call fcn.140184f40
mov rdx, qword [rsp + 0x40]
mov rcx, r15
call fcn.140131470
mov r15, qword [rsp + 0x30]
lea rdx, [rbp + 0x84]
lea rcx, [rbp + 0xd0]
cmp dword [r15 + 0x10], 0
cmove rdx, r14
call fcn.140184d50
mov r13, qword [rsp + 0x110]
mov qword [rbp + 0xc8], 0xffffffffffffffff
cmp dword [r15 + 0x10], 0
mov r15, qword [rsp + 0x108]
je 0x1401216a7
movups xmm0, xmmword [rbp + 0x84]
movups xmmword [rbx], xmm0
mov rax, qword [rsp + 0x48]
mov rbx, qword [rsp + 0x120]
mov rsi, qword [rsp + 0x118]
mov rcx, qword [rsp + 0xf0]
xor rcx, rsp
call fcn.140239380
add rsp, 0x128
pop r14
pop r12
pop rdi
pop rbp
ret
mov r8d, reloc.WS2_32.dll_recv
mov rdx, r12
mov rcx, r14
call fcn.1401259e0
test eax, eax
je 0x140121674
mov rax, qword [rsp + 0x48]
xor edx, edx
sub rbx, rax
lea r8, [rax - 0x10]
lea rcx, [rbx + 0x10]
call fcn.14023c420
mov eax, 0xffffffff
jmp 0x140121679