Function at 0x18013c760
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 [0x18029d790]
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 + 0x133e], sil
cmove r14, rax
cmp edx, 7
ja case.0x18013c11b.1
movsxd rax, edx
lea rdx, [0x180000000]
mov ecx, dword [rdx + rax*4 + 0x13c640]
add rcx, rdx
jmp rcx
inc dword [rbx + 0x20]
mov eax, dword [rbx + 0x20]
cmp eax, dword [rbx + 0x28]
jle 0x18013c13c
mov dword [rbx + 8], 0xffffff9e
xor eax, eax
mov dword [rbx], 3
jmp 0x18013c61a
mov rax, qword [rbx + 0x158]
cmp byte [r15 + 0xaa7], sil
mov byte [rax], sil
mov rax, qword [rbx + 0x158]
je 0x18013c187
mov byte [rax + 1], 2
mov rcx, qword [rbx + 0x158]
mov rax, qword [rbx + 0x10]
add rcx, 4
mov qword [rax + 0x198], rcx
mov rdx, qword [r15 + 0x1188]
cmp rdx, 0xffffffffffffffff
je 0x18013c18b
mov rcx, r15
call fcn.18015c2d0
jmp 0x18013c18b
mov byte [rax + 1], 1
mov rax, qword [rbx + 0x10]
lea r8, [rsp + 0x40]
xor r9d, r9d
mov dword [rsp + 0x20], 4
xor edx, edx
mov rcx, qword [rax + 0x11d8]
inc rcx
call fcn.18015d1d0
mov esi, eax
test eax, eax
jne 0x18013c61a
movsxd rdx, dword [rbx + 0x144]
mov rdi, 0xffffffffffffffff
mov rax, rdi
nop dword [rax + rax]
inc rax
cmp byte [r14 + rax], 0
jne 0x18013c1d0
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 0x18013c1f0
cmp rax, rcx
jbe 0x18013c223
lea rdx, str.TFTP_file_name_too_long
mov rcx, r15
call fcn.1801363f0
mov rcx, qword [rsp + 0x40]
call qword [fcn.1801c05e8]
mov eax, 0x47
jmp 0x18013c61a
mov rcx, qword [rbx + 0x158]
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.1801373a0
mov rcx, rdi
inc rcx
cmp byte [r14 + rcx], 0
jne 0x18013c254
mov rdx, qword [rsp + 0x40]
mov rax, rdi
nop word [rax + rax]
cmp byte [rdx + rax + 1], 0
lea rax, [rax + 1]
jne 0x18013c270
lea r14, [rax + 4]
add r14, rcx
cmp byte [r15 + 0xa8c], 0
jne 0x18013c558
cmp byte [r15 + 0xaa7], 0
je 0x18013c2be
mov r9, qword [r15 + 0x1188]
cmp r9, rdi
je 0x18013c2be
lea r8, str._I64d
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1801373a0
jmp 0x18013c2c8
mov eax, 0x30
mov word [rsp + 0x50], ax
movsxd rax, dword [rbx + 0x144]
lea r8, [r14 + 6]
cmp r8, rax
jbe 0x18013c31b
lea rcx, [rsp + 0x50]
mov r9d, dword [rbx + 0x148]
lea r8, [0x18025ff3c]
mov edx, 0x40
call fcn.1801373a0
mov r9d, dword [rbx + 0x24]
lea r8, [0x18025ff3c]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1801373a0
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x18013c206
mov rdx, qword [rbx + 0x158]
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 0x18013c330
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x18013c350
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
ja 0x18013c2dd
mov rdx, qword [rbx + 0x158]
add rdx, r8
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x18013c381
lea rcx, [rsp + 0x50]
mov rax, rdi
nop word [rax + rax]
inc rax
cmp byte [rcx + rax], 0
jne 0x18013c3a0
mov r9d, dword [rbx + 0x148]
lea rsi, [r8 + 1]
lea r8, [0x18025ff3c]
mov edx, 0x40
lea rcx, [rsp + 0x50]
add rsi, rax
call fcn.1801373a0
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x18013c2f5
mov rdx, qword [rbx + 0x158]
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 0x18013c400
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x18013c420
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x18013c464
mov r9d, dword [rbx + 0x24]
lea r8, [0x18025ff3c]
mov edx, 0x40
call fcn.1801373a0
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x18013c206
mov rdx, qword [rbx + 0x158]
add rdx, r8
nop
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x18013c470
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
inc rax
cmp byte [rcx + rax], 0
jne 0x18013c490
mov r9d, dword [rbx + 0x24]
lea rsi, [r8 + 1]
lea r8, [0x18025ff3c]
mov edx, 0x40
lea rcx, [rsp + 0x50]
add rsi, rax
call fcn.1801373a0
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x18013c30f
mov rdx, qword [rbx + 0x158]
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 0x18013c4e0
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
inc rax
cmp byte [rcx + rax], 0
jne 0x18013c500
lea rcx, [r8 + 1]
add rcx, rax
movsxd rax, dword [rbx + 0x144]
cmp rcx, rax
ja 0x18013c30f
mov rdx, qword [rbx + 0x158]
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 0x18013c530
lea rax, [rsp + 0x50]
inc rdi
cmp byte [rax + rdi], 0
jne 0x18013c546
lea r14, [r8 + 1]
add r14, rdi
xor esi, esi
mov rax, qword [r15 + 0x18]
xor r9d, r9d
mov rcx, qword [rbx + 0x18]
mov rdx, qword [rax + 0x58]
mov eax, dword [rdx + 0xc]
lea r8, [rdx + 0x10]
mov rdx, qword [rbx + 0x158]
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], r8
mov r8d, r14d
call qword [sym.imp.WS2_32.dll_sendto]
movsxd rcx, eax
cmp rcx, r14
je 0x18013c5b8
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp - 0x70]
mov ecx, eax
call fcn.1801341f0
mov r8, rax
lea rdx, [0x180270d48]
mov rcx, r15
call fcn.1801363f0
mov rcx, qword [rsp + 0x40]
call qword [fcn.1801c05e8]
jmp 0x18013c618
mov edx, 6
mov rcx, rbx
cmp byte [r15 + 0xaa7], sil
je 0x18013c5f8
call fcn.18013b800
mov esi, eax
jmp 0x18013c618
mov edx, 4
mov rcx, rbx
call fcn.18013b800
mov esi, eax
jmp 0x18013c618
mov edx, 3
mov rcx, rbx
call fcn.18013b7b0
mov esi, eax
jmp 0x18013c618
mov dword [rbx], 3
jmp 0x18013c618
lea rdx, str.tftp_send_first:_internal_error
mov rcx, r15
call fcn.1801363f0
mov eax, esi
mov rcx, qword [rbp + 0x90]
xor rcx, rsp
call fcn.1801a9b50
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 0x18013c7c7
sub r8d, 1
je 0x18013c7be
sub r8d, 1
je 0x18013c7b5
lea rdx, [0x180270d48]
mov rcx, r9
cmp r8d, 1
je 0x18013c7a2
lea r8, str.Internal_state_machine_error
call fcn.1801363f0
mov eax, 0x47
add rsp, 0x28
ret
lea r8, str.TFTP_finished
call fcn.1801364e0
xor eax, eax
add rsp, 0x28
ret
add rsp, 0x28
jmp fcn.18013c910
add rsp, 0x28
jmp fcn.18013bd70
add rsp, 0x28
jmp 0x18013c0b0