Function at 0x1800b7b30
Capabilities:
Send data
Send data on socket

Disassembly:
mov qword [rsp + 0x18], rbx
push rbp
push rsi
push rdi
push r14
push r15
lea rbp, [rsp - 0xa0]
sub rsp, 0x1a0
mov rax, qword [0x18019d440]
xor rax, rsp
mov qword [rbp + 0x90], rax
mov r15, qword [rcx + 0x10]
lea rax, str.octet
xor esi, esi
lea r14, str.netascii
mov rbx, rcx
cmp byte [r15 + 0xadb], sil
cmove r14, rax
cmp edx, 7
ja case.0x1800b745b.1
movsxd rax, edx
lea rdx, [0x180000000]
mov ecx, dword [rdx + rax*4 + 0xb7980]
add rcx, rdx
jmp rcx
inc dword [rbx + 0x20]
mov eax, dword [rbx + 0x20]
cmp eax, dword [rbx + 0x28]
jle 0x1800b747c
mov dword [rbx + 8], 0xffffff9e
xor eax, eax
mov dword [rbx], 3
jmp 0x1800b795a
mov rax, qword [rbx + 0x168]
cmp byte [r15 + 0xaed], sil
mov byte [rax], sil
mov rax, qword [rbx + 0x168]
je 0x1800b74c7
mov byte [rax + 1], 2
mov rcx, qword [rbx + 0x168]
mov rax, qword [rbx + 0x10]
add rcx, 4
mov qword [rax + 0x1b0], rcx
mov rdx, qword [r15 + 0x1180]
cmp rdx, 0xffffffffffffffff
je 0x1800b74cb
mov rcx, r15
call fcn.18009d7f0
jmp 0x1800b74cb
mov byte [rax + 1], 1
mov rax, qword [rbx + 0x10]
lea r9, [rsp + 0x40]
mov dword [rsp + 0x28], 4
xor r8d, r8d
mov rcx, r15
mov qword [rsp + 0x20], rsi
mov rdx, qword [rax + 0x11e8]
inc rdx
call fcn.1800a6130
mov esi, eax
test eax, eax
jne 0x1800b795a
movsxd rdx, dword [rbx + 0x154]
mov rdi, 0xffffffffffffffff
mov rax, rdi
inc rax
cmp byte [r14 + rax], 0
jne 0x1800b7511
mov r9, qword [rsp + 0x40]
mov rcx, rdx
sub rcx, rax
mov rax, rdi
sub rcx, 4
nop dword [rax]
inc rax
cmp byte [r9 + rax], 0
jne 0x1800b7530
cmp rax, rcx
jbe 0x1800b7563
lea rdx, str.TFTP_file_name_too_long
mov rcx, r15
call fcn.18008e850
mov rcx, qword [rsp + 0x40]
call qword [fcn.1800d896d]
mov eax, 0x47
jmp 0x1800b795a
mov rcx, qword [rbx + 0x168]
lea r8, str._s_c_s_c
mov qword [rsp + 0x30], 0
add rcx, 2
mov qword [rsp + 0x28], r14
mov qword [rsp + 0x20], 0
call fcn.1800a0110
mov rcx, rdi
inc rcx
cmp byte [r14 + rcx], 0
jne 0x1800b7594
mov rdx, qword [rsp + 0x40]
mov rax, rdi
nop word [rax + rax]
cmp byte [rdx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1800b75b0
lea r14, [rax + 4]
add r14, rcx
cmp byte [r15 + 0xad3], 0
jne 0x1800b7898
cmp byte [r15 + 0xaed], 0
je 0x1800b75fe
mov r9, qword [r15 + 0x1180]
cmp r9, rdi
je 0x1800b75fe
lea r8, str._I64d
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1800a0110
jmp 0x1800b7608
mov eax, Ordinal_50
mov word [rsp + 0x50], ax
movsxd rax, dword [rbx + 0x154]
lea r8, [r14 + 6]
cmp r8, rax
jbe 0x1800b765b
lea rcx, [rsp + 0x50]
mov r9d, dword [rbx + 0x158]
lea r8, [0x1800df550]
mov edx, 0x40
call fcn.1800a0110
mov r9d, dword [rbx + 0x24]
lea r8, [0x1800df550]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1800a0110
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x1800b7546
mov rdx, qword [rbx + 0x168]
lea rcx, str.tsize
add rdx, r14
nop dword [rax]
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1800b7670
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1800b7690
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x154]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
ja 0x1800b761d
mov rdx, qword [rbx + 0x168]
add rdx, r8
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1800b76c1
lea rcx, [rsp + 0x50]
mov rax, rdi
nop word [rax + rax]
inc rax
cmp byte [rcx + rax], 0
jne 0x1800b76e0
mov r9d, dword [rbx + 0x158]
lea rsi, [r8 + 1]
lea r8, [0x1800df550]
mov edx, 0x40
lea rcx, [rsp + 0x50]
add rsi, rax
call fcn.1800a0110
movsxd rax, dword [rbx + 0x154]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x1800b7635
mov rdx, qword [rbx + 0x168]
lea rcx, str.blksize
add rdx, rsi
nop dword [rax]
nop word [rax + rax]
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1800b7740
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1800b7760
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x154]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x1800b77a4
mov r9d, dword [rbx + 0x24]
lea r8, [0x1800df550]
mov edx, 0x40
call fcn.1800a0110
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x1800b7546
mov rdx, qword [rbx + 0x168]
add rdx, r8
nop
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1800b77b0
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
inc rax
cmp byte [rcx + rax], 0
jne 0x1800b77d0
mov r9d, dword [rbx + 0x24]
lea rsi, [r8 + 1]
lea r8, [0x1800df550]
mov edx, 0x40
lea rcx, [rsp + 0x50]
add rsi, rax
call fcn.1800a0110
movsxd rax, dword [rbx + 0x154]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x1800b764f
mov rdx, qword [rbx + 0x168]
lea rcx, str.timeout
add rdx, rsi
nop
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1800b7820
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
inc rax
cmp byte [rcx + rax], 0
jne 0x1800b7840
lea rcx, [r8 + 1]
add rcx, rax
movsxd rax, dword [rbx + 0x154]
cmp rcx, rax
ja 0x1800b764f
mov rdx, qword [rbx + 0x168]
lea rcx, [rsp + 0x50]
add rdx, r8
nop
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1800b7870
lea rax, [rsp + 0x50]
inc rdi
cmp byte [rax + rdi], 0
jne 0x1800b7886
lea r14, [r8 + 1]
add r14, rdi
xor esi, esi
mov rax, qword [r15 + 0x18]
xor r9d, r9d
mov rcx, qword [rbx + 0x18]
mov r8d, r14d
mov rdx, qword [rax + 0x78]
mov eax, dword [rdx + 0x10]
mov dword [rsp + 0x28], eax
mov rax, qword [rdx + 0x20]
mov rdx, qword [rbx + 0x168]
mov qword [rsp + 0x20], rax
call qword [sym.imp.WS2_32.dll_sendto]
movsxd rcx, eax
cmp rcx, r14
je 0x1800b78f8
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp - 0x70]
mov ecx, eax
call fcn.1800bbf30
mov r8, rax
lea rdx, [0x18013e69c]
mov rcx, r15
call fcn.18008e850
mov rcx, qword [rsp + 0x40]
call qword [fcn.1800d896d]
jmp 0x1800b7958
mov edx, 6
mov rcx, rbx
cmp byte [r15 + 0xaed], sil
je 0x1800b7938
call fcn.1800b6b20
mov esi, eax
jmp 0x1800b7958
mov edx, 4
mov rcx, rbx
call fcn.1800b6b20
mov esi, eax
jmp 0x1800b7958
mov edx, 3
mov rcx, rbx
call fcn.1800b6ad0
mov esi, eax
jmp 0x1800b7958
mov dword [rbx], 3
jmp 0x1800b7958
lea rdx, str.tftp_send_first:_internal_error
mov rcx, r15
call fcn.18008e850
mov eax, esi
mov rcx, qword [rbp + 0x90]
xor rcx, rsp
call fcn.1800d0330
mov rbx, qword [rsp + 0x1e0]
add rsp, 0x1a0
pop r15
pop r14
pop rdi
pop rsi
pop rbp
ret
sub rsp, 0x28
mov r8d, dword [rcx]
mov r9, qword [rcx + 0x10]
test r8d, r8d
je 0x1800b7b9e
sub r8d, 1
je 0x1800b7b95
sub r8d, 1
je 0x1800b7b8c
mov rcx, r9
cmp r8d, 1
je 0x1800b7b72
lea r8, str.Internal_state_machine_error
lea rdx, [0x18013e69c]
call fcn.18008e850
mov eax, 0x47
add rsp, 0x28
ret
lea r8, str.TFTP_finished
lea rdx, [0x1800df0e0]
call fcn.18008e9b0
xor eax, eax
add rsp, 0x28
ret
add rsp, 0x28
jmp fcn.1800b7cf0
add rsp, 0x28
jmp fcn.1800b70b0
add rsp, 0x28
jmp 0x1800b73f0