Function at 0x53d280
Capabilities:
Encode data using base64

Disassembly:
lea r12, [rsp - 0x40]
cmp r12, qword [r14 + 0x10]
jbe 0x53d7fc
sub rsp, 0xc0
mov qword [rsp + 0xb8], rbp
lea rbp, [rsp + 0xb8]
mov qword [rsp + 0xf0], r8
mov qword [rsp + 0xe0], rdi
mov qword [rsp + 0xd8], rcx
mov qword [rsp + 0xc8], rax
test rbx, rbx
jne 0x53d2dd
mov rdx, rdi
xor esi, esi
xor ebx, ebx
xor r11d, r11d
xor r12d, r12d
jmp 0x53d44b
nop
nop
cmp rbx, 0x14
jae 0x53d7e8
mov rdx, qword [0x00852ef8]
mov rsi, qword [0x00852ef0]
nop dword [rax + rax]
cmp rbx, rdx
jae 0x53d7dd
mov qword [rsp + 0xf0], r8
mov qword [rsp + 0x60], r9
mov qword [rsp + 0x100], r10
movzx edx, byte [rsi + rbx]
cmp rdi, rdx
je 0x53d389
nop
lea rax, [0x00639280]
call fcn.0040d180
mov qword [rax + 8], 0x28
lea rcx, [0x0067764d]
mov qword [rax], rcx
mov rcx, qword [rsp + 0xd8]
mov rdx, qword [rsp + 0xe0]
mov r8, qword [rsp + 0xf0]
mov r9, qword [rsp + 0x60]
mov r10, qword [rsp + 0x100]
xor edi, edi
xor esi, esi
lea rbx, [0x006cba40]
mov r11, rax
xor r12d, r12d
mov rax, qword [rsp + 0xc8]
jmp 0x53d44b
mov qword [rsp + 0x58], rdx
mov rdx, qword [0x0085c278]
lea rax, [0x0062f620]
mov rcx, rbx
mov rbx, rdx
call fcn.004110e0
mov rdx, qword [rax]
mov rsi, qword [rax + 8]
test bl, bl
je 0x53d3ee
mov rax, qword [rsp + 0xc8]
mov rcx, qword [rsp + 0xd8]
mov r8, qword [rsp + 0xf0]
mov r9, qword [rsp + 0x60]
mov r10, qword [rsp + 0x100]
mov rdi, qword [rsp + 0x58]
xor ebx, ebx
xor r11d, r11d
mov r12, rdx
mov rdx, qword [rsp + 0xe0]
jmp 0x53d44b
nop
lea rax, [0x00639280]
call fcn.0040d180
mov qword [rax + 8], 0x25
lea rcx, [0x0067664b]
mov qword [rax], rcx
mov rcx, qword [rsp + 0xd8]
mov rdx, qword [rsp + 0xe0]
mov r8, qword [rsp + 0xf0]
mov r9, qword [rsp + 0x60]
mov r10, qword [rsp + 0x100]
xor edi, edi
xor esi, esi
lea rbx, [0x006cba40]
mov r11, rax
xor r12d, r12d
mov rax, qword [rsp + 0xc8]
test rbx, rbx
jne 0x53d668
mov r11, qword [rax]
lea r13, [rdi + rsi]
nop
mov r15, qword [r11 + 0x10]
mov r11, qword [r11 + 8]
mov rbx, r12
lea r12, [r15 - 1]
test r12, r12
jl 0x53d492
mov r11, qword [r11 + r15*8 - 8]
bsr r11, r11
mov r15, 0xffffffffffffffff
cmove r11, r15
shl r12, 6
lea r11, [r11 + r12]
lea r11, [r11 + 1]
jmp 0x53d495
xor r11d, r11d
lea r12, [rdi + rsi]
lea r12, [r12 + 0xb]
lea r15, [r11 + 7]
sar r15, 0x3f
shr r15, 0x3d
lea r11, [r15 + r11]
lea r11, [r11 + 7]
sar r11, 3
cmp r12, r11
jg 0x53d64a
nop
cmp r9, r11
jne 0x53d62c
mov qword [rsp + 0x50], rdi
mov qword [rsp + 0x38], r13
mov qword [rsp + 0x30], r11
mov qword [rsp + 0x40], rsi
mov qword [rsp + 0x70], rbx
mov byte [rsp + 0x98], 0
mov qword [rsp + 0xa0], 0
movups xmmword [rsp + 0xa8], xmm15
xor eax, eax
xor ebx, ebx
mov rcx, rbx
mov rdi, r8
mov rsi, r9
mov r8, r10
call fcn.00508e60
mov qword [rsp + 0xa0], rax
mov qword [rsp + 0xa8], rbx
mov qword [rsp + 0xb0], rcx
mov byte [rsp + 0x98], 0
mov byte [rsp + 0x78], 0
mov qword [rsp + 0x80], 0
movups xmmword [rsp + 0x88], xmm15
lea rax, [rsp + 0x78]
mov rbx, qword [rsp + 0xc8]
lea rcx, [rsp + 0x98]
call fcn.0053e3e0
mov qword [rsp + 0x68], rax
mov rbx, qword [rsp + 0x30]
mov rcx, rbx
lea rax, [0x00624e00]
nop dword [rax]
call fcn.004493e0
mov rbx, rax
mov rcx, qword [rsp + 0x30]
mov rdi, rcx
mov rax, qword [rsp + 0x68]
call fcn.004ff600
nop word [rax + rax]
test rbx, rbx
jbe 0x53d7d3
movzx esi, byte [rax]
cmp rbx, 1
jbe 0x53d7c6
movzx edi, byte [rax + 1]
dec esi
shr esi, 0x1f
xor edi, 1
movzx edi, dil
dec edi
shr edi, 0x1f
and rdi, rsi
mov rsi, qword [rsp + 0x30]
mov r8, qword [rsp + 0x50]
mov r9, rsi
sub rsi, r8
nop
cmp rcx, r9
jb 0x53d7bb
cmp r9, rsi
jb 0x53d7b0
mov rdx, r9
sub r9, rsi
mov r8, rsi
sub rsi, rcx
sar rsi, 0x3f
and rsi, r8
add rsi, rax
mov r10, qword [rsp + 0xe0]
cmp r10, r9
je 0x53d61c
xor esi, esi
jmp 0x53d6af
mov r10, qword [rsp + 0xd8]
xor r11d, r11d
xor r12d, r12d
jmp 0x53d6a0
mov rax, qword [0x0085dbf0]
mov rbx, qword [0x0085dbf8]
mov rbp, qword [rsp + 0xb8]
add rsp, 0xc0
ret
mov rax, qword [0x0085dbf0]
mov rbx, qword [0x0085dbf8]
mov rbp, qword [rsp + 0xb8]
add rsp, 0xc0
ret
mov rax, rbx
mov rbx, r11
mov rbp, qword [rsp + 0xb8]
add rsp, 0xc0
ret
lea r13, [r11 + 1]
mov qword [rsp + 0x48], r13
movzx r15d, byte [r11 + rsi]
movzx r13d, byte [r10 + r11]
xor r13d, r15d
or r12d, r13d
mov r13, qword [rsp + 0x48]
mov r11, r13
nop
cmp r11, r9
jl 0x53d67e
nop
movzx esi, r12b
dec esi
shr esi, 0x1f
and rsi, rdi
mov rdi, qword [rsp + 0x38]
sub rdx, rdi
nop word [rax + rax]
cmp rdx, r8
ja 0x53d7a5
sub r8, rdx
mov rdi, rdx
sub rdx, rcx
sar rdx, 0x3f
and rdx, rdi
add rdx, rax
mov r9, qword [rsp + 0x40]
cmp r9, r8
je 0x53d6ea
xor edx, edx
jmp 0x53d71c
mov r9, qword [rsp + 0x70]
xor ecx, ecx
xor r10d, r10d
jmp 0x53d70d
lea r11, [rcx + 1]
movzx r12d, byte [rcx + rdx]
movzx r13d, byte [r9 + rcx]
xor r13d, r12d
or r10d, r13d
mov rcx, r11
cmp rcx, r8
jl 0x53d6f6
nop
movzx edx, r10b
dec edx
shr edx, 0x1f
and rdx, rsi
lea rsi, [rdi - 1]
cmp rbx, rsi
jbe 0x53d798
movzx ecx, byte [rdi + rax - 1]
dec ecx
shr ecx, 0x1f
and rcx, rdx
mov edx, 2
jmp 0x53d75a
lea rdi, [rdx + 1]
movzx r8d, byte [rdx + rax]
xor r8d, 0xffffffff
movzx r8d, r8b
dec r8d
shr r8d, 0x1f
and rcx, r8
mov rdx, rdi
cmp rdx, rsi
jl 0x53d73c
nop
cmp rcx, 1
je 0x53d784
mov rax, qword [0x0085dbf0]
mov rbx, qword [0x0085dbf8]
mov rbp, qword [rsp + 0xb8]
add rsp, 0xc0
ret
xor eax, eax
xor ebx, ebx
mov rbp, qword [rsp + 0xb8]
add rsp, 0xc0
ret
mov rax, rsi
mov rcx, rbx
nop
call fcn.004636e0
mov rax, rdx
mov rcx, r8
call fcn.004637a0
mov rax, rsi
mov rcx, r9
call fcn.004637a0
mov rdx, rcx
mov rcx, r9
call fcn.00463760
mov eax, 1
mov rcx, rbx
call fcn.004636e0
xor eax, eax
mov rcx, rbx
call fcn.004636e0
mov rax, rbx
mov rcx, rdx
call fcn.00463700
lea rax, [0x00624c40]
lea rbx, [0x006ca000]
call fcn.00435820
nop
mov qword [rsp + 8], rax
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rcx
mov qword [rsp + 0x20], rdi
mov qword [rsp + 0x28], rsi
mov qword [rsp + 0x30], r8
mov qword [rsp + 0x38], r9
mov qword [rsp + 0x40], r10
call fcn.00460fe0
mov rax, qword [rsp + 8]
mov rbx, qword [rsp + 0x10]
mov rcx, qword [rsp + 0x18]
mov rdi, qword [rsp + 0x20]
mov rsi, qword [rsp + 0x28]
mov r8, qword [rsp + 0x30]
mov r9, qword [rsp + 0x38]
mov r10, qword [rsp + 0x40]
jmp fcn.0053d280