Function at 0x1400113d9
Capabilities:
Create directory
Download and write a file
Receive and write data from server to client
Receive data
Receive data on socket
Write file on windows

Disassembly:
jmp 0x1400118d0
mov qword [rsp + 8], rcx
push rbp
push rdi
sub rsp, 0x3d8
lea rbp, [rsp + 0x40]
lea rdi, [rsp + 0x40]
mov ecx, 0x86
mov eax, 0xcccccccc
rep stosd dword [rdi], eax
mov rcx, qword [rsp + 0x3f8]
mov rax, qword [section..data]
xor rax, rbp
mov qword [rbp + 0x388], rax
lea rcx, reloc.WS2_32.dll_accept
call fcn.1400113b6
nop
mov dword [rbp + 4], 0
lea rax, [rbp + 0x28]
mov rdi, rax
xor eax, eax
mov ecx, 0x18
rep stosb byte [rdi], al
lea rax, [rbp + 0x60]
mov rdi, rax
xor eax, eax
mov ecx, 0xff
rep stosb byte [rdi], al
xor eax, eax
cmp eax, 1
je 0x140011b3b
mov r8d, 0x18
xor edx, edx
lea rcx, [rbp + 0x28]
call fcn.1400112f8
nop
mov r8d, 0xff
xor edx, edx
lea rcx, [rbp + 0x60]
call fcn.1400112f8
nop
xor r9d, r9d
mov r8d, 0x18
lea rdx, [rbp + 0x28]
mov rcx, qword [rbp + 0x3b0]
call qword [sym.imp.WS2_32.dll_recv]
mov dword [rbp + 4], eax
movsxd rax, dword [rbp + 4]
cmp rax, 0x18
jne 0x140011b34
xor r9d, r9d
mov r8d, dword [rbp + 0x3c]
lea rdx, [rbp + 0x60]
mov rcx, qword [rbp + 0x3b0]
call qword [sym.imp.WS2_32.dll_recv]
mov dword [rbp + 4], eax
mov eax, dword [rbp + 0x3c]
cmp dword [rbp + 4], eax
jne 0x140011b32
mov r8, qword [rbp + 0x34]
lea rdx, [rbp + 0x60]
lea rcx, str.Recieving__s___i_bytes_..._n
call fcn.1400111b3
nop
mov eax, 1
imul rax, rax, 1
movsx eax, byte [rbp + rax + 0x60]
cmp eax, 0x3a
jne 0x1400119f8
mov eax, 1
imul rax, rax, 1
mov byte [rbp + rax + 0x60], 0x78
mov eax, dword [rbp + 0x28]
and eax, 0x10
cmp eax, 0x10
jne 0x140011a1a
xor edx, edx
lea rcx, [rbp + 0x60]
call qword [sym.imp.KERNEL32.dll_CreateDirectoryA]
mov dword [rbp + 0x174], eax
jmp 0x140011b32
mov qword [rsp + 0x30], 0
mov dword [rsp + 0x28], 0x80
mov dword [rsp + 0x20], 2
xor r9d, r9d
xor r8d, r8d
mov edx, 0xc0000000
lea rcx, [rbp + 0x60]
call qword [sym.imp.KERNEL32.dll_CreateFileA]
mov qword [rbp + 0x198], rax
mov qword [rbp + 0x1b8], 0
mov dword [rbp + 0x1d4], 0x1000000
mov dword [rbp + 0x1f4], 0
mov rax, qword [rbp + 0x34]
cmp qword [rbp + 0x1b8], rax
jae 0x140011b24
mov rax, qword [rbp + 0x1b8]
mov rcx, qword [rbp + 0x34]
sub rcx, rax
mov rax, rcx
cmp rax, 0x1000000
jae 0x140011ab1
mov rax, qword [rbp + 0x1b8]
mov rcx, qword [rbp + 0x34]
sub rcx, rax
mov rax, rcx
mov dword [rbp + 0x1d4], eax
jmp 0x140011abb
mov dword [rbp + 0x1d4], 0x1000000
xor r9d, r9d
mov r8d, dword [rbp + 0x1d4]
lea rdx, [0x14001e1b0]
mov rcx, qword [rbp + 0x3b0]
call qword [sym.imp.WS2_32.dll_recv]
mov dword [rbp + 4], eax
mov qword [rsp + 0x20], 0
lea r9, [rbp + 0x1f4]
mov r8d, dword [rbp + 4]
lea rdx, [0x14001e1b0]
mov rcx, qword [rbp + 0x198]
call qword [sym.imp.KERNEL32.dll_WriteFile]
nop
mov eax, dword [rbp + 0x1f4]
mov rcx, qword [rbp + 0x1b8]
add rcx, rax
mov rax, rcx
mov qword [rbp + 0x1b8], rax
jmp 0x140011a6e
mov rcx, qword [rbp + 0x198]
call qword [sym.imp.KERNEL32.dll_CloseHandle]
nop
jmp 0x140011b36
jmp 0x140011b3b
jmp 0x140011941
mov rcx, qword [rbp + 0x3b0]
call qword [sym.imp.WS2_32.dll_closesocket]
mov dword [rbp + 4], eax
lea rcx, [rbp - 0x40]
lea rdx, reloc.WS2_32.dll_closesocket
call fcn.14001134d
mov rcx, qword [rbp + 0x388]
xor rcx, rbp
call fcn.1400111cc
lea rsp, [rbp + 0x398]
pop rdi
pop rbp
ret