Function at 0x405690
Capabilities:
Connect socket
Download and write a file
Receive and write data from server to client
Receive data
Receive data on socket
Send data
Send data on socket
Send http request
Send http request with host header
Write file on windows

Disassembly:
mov eax, 0x4192e4
call fcn.0040fbd0
sub esp, 0x270
mov eax, dword [0x4220b8]
push edi
mov edi, dword [ebp + 8]
mov dword [ebp - 0x10], eax
mov eax, dword [edi + 0x38]
cmp dword [edi + 0x3c], eax
jle 0x4056c0
cmp eax, 0xffffffff
jle 0x4056c0
xor eax, eax
jmp 0x405e11
mov eax, dword [0x423b88]
cmp eax, 1
push ebx
push esi
je 0x405996
test eax, eax
je 0x405996
cmp eax, 2
jne 0x4056f4
push str.CDownloadThread::DoMyTask_NET_PROXYHTTP_n
call fcn.00408fb4
pop ecx
push 0x10
push 0x4236b8
jmp 0x40599b
cmp eax, 3
jne 0x4059a8
push str.CDownloadThread::DoMyTask_NET_PROXYSOCKS_n
call fcn.00408fb4
pop ecx
push 0x10
push 0x4236b8
push dword [edi + 0x30]
call dword [sym.imp.WS2_32.dll_connect]
test eax, eax
jne 0x4059a8
push str.CDownloadThread::DoMyTask_NET_PROXYSOCKS_connect_proxy_server_OK._n
call fcn.00408fb4
pop ecx
push 0
push 4
lea eax, [ebp - 0x268]
push eax
push dword [edi + 0x30]
mov byte [ebp - 0x268], 5
mov byte [ebp - 0x267], 2
mov byte [ebp - 0x266], 0
mov byte [ebp - 0x265], 2
call dword [sym.imp.WS2_32.dll_send]
mov esi, 0x258
push esi
lea eax, [ebp - 0x268]
push 0
push eax
call fcn.0040c830
mov ebx, dword [sym.imp.WS2_32.dll_recv]
add esp, 0xc
push 0
push esi
lea eax, [ebp - 0x268]
push eax
push dword [edi + 0x30]
call ebx
cmp byte [ebp - 0x268], 5
jne 0x4059a8
cmp byte [ebp - 0x267], 0
je 0x4057aa
cmp byte [ebp - 0x267], 2
jne 0x4059a8
push 0x41d400
call fcn.00408fb4
cmp byte [ebp - 0x267], 2
pop ecx
jne 0x405887
push 0x423bb0
call fcn.0040c950
mov dword [ebp - 0x278], eax
mov dword [esp], 0x423bf0
call fcn.0040c950
mov dword [ebp - 0x274], eax
mov al, byte [ebp - 0x278]
mov byte [ebp - 0x267], al
lea eax, [ebp - 0x266]
mov dword [esp], 0x423bb0
push eax
mov byte [ebp - 0x268], 1
call fcn.0040c9e0
mov al, byte [ebp - 0x274]
mov byte [ebp - 0x167], al
lea eax, [ebp - 0x166]
push 0x423bf0
push eax
call fcn.0040c9e0
add esp, 0x10
push 0
push 0x201
lea eax, [ebp - 0x268]
push eax
push dword [edi + 0x30]
call dword [sym.imp.WS2_32.dll_send]
push esi
lea eax, [ebp - 0x268]
push 0
push eax
call fcn.0040c830
add esp, 0xc
push 0
push esi
lea eax, [ebp - 0x268]
push eax
push dword [edi + 0x30]
call ebx
cmp byte [ebp - 0x268], 1
jne 0x405989
cmp byte [ebp - 0x267], 0
jne 0x405989
push str.CDownloadThread::DoMyTask_NET_PROXYSOCKS_Proxy_Authorization_OK._n
call fcn.00408fb4
pop ecx
mov eax, dword [ebp + 0x14]
mov ecx, dword [eax + 4]
movzx eax, word [eax + 2]
push eax
mov byte [ebp - 0x268], 5
mov byte [ebp - 0x267], 1
mov byte [ebp - 0x266], 0
mov byte [ebp - 0x265], 1
mov dword [ebp - 0x270], ecx
call dword [sym.imp.WS2_32.dll_ntohs]
push 4
mov dword [ebp - 0x27c], eax
lea eax, [ebp - 0x270]
push eax
lea eax, [ebp - 0x264]
push eax
call fcn.0040d140
push 2
lea eax, [ebp - 0x27c]
push eax
lea eax, [ebp - 0x260]
push eax
call fcn.0040d140
add esp, 0x18
push 0
push 0xa
lea eax, [ebp - 0x268]
push eax
push dword [edi + 0x30]
call dword [sym.imp.WS2_32.dll_send]
push esi
lea eax, [ebp - 0x268]
push 0
push eax
call fcn.0040c830
add esp, 0xc
push 0
push esi
lea eax, [ebp - 0x268]
push eax
push dword [edi + 0x30]
call ebx
cmp byte [ebp - 0x268], 5
jne 0x4059a8
cmp byte [ebp - 0x267], 0
jne 0x4059a8
push str.CDownloadThread::DoMyTask_NET_PROXYSOCKS_connect_site_OK._n
call fcn.00408fb4
pop ecx
mov eax, dword [0x422e4c]
mov ebx, 0x422e4c
mov ecx, ebx
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x270], eax
and dword [ebp - 4], 0
mov edx, 0x10000
lea esi, [ebp - 0x270]
call fcn.004063c0
mov dword [ebp - 0x278], eax
mov eax, dword [edi + 0x38]
cmp eax, 0xffffffff
jne 0x4059bf
mov eax, dword [ebp + 0xc]
cmp dword [eax + 0x40], 2
jge 0x4059b7
mov eax, 0x7fff0000
jmp 0x4059bf
push 0x41d3e4
call fcn.00408fb4
pop ecx
jmp 0x4059a8
push 0x10
push dword [ebp + 0x14]
push dword [edi + 0x30]
call dword [sym.imp.WS2_32.dll_connect]
test eax, eax
je 0x40593f
mov eax, edi
call fcn.004054ef
or eax, 0xffffffff
jmp 0x405e0f
mov eax, dword [edi + 0x3c]
add eax, 0x1ffff
cmp dword [0x423b88], 2
mov dword [ebp - 0x26c], eax
jne 0x405aa8
mov esi, dword [ebp + 0x14]
cmp word [esi + 2], 0x50
jne 0x4059ff
push dword [ebp + 0x18]
push eax
push dword [edi + 0x3c]
lea eax, [ebp - 0x270]
push dword [ebp + 0x1c]
push dword [ebp + 0x18]
push str.GET_http:___s_s_HTTP_1.1_r_nAccept:___r_nAccept_Encoding:_identity_r_nRange:_bytes_12d__12d_r_nUser_Agent:_HttpRange_r_nHost:__s_r_nProxy_Connection:_Keep_Alive_r_n
push eax
call fcn.004062fd
add esp, 0x1c
jmp 0x405a5c
mov eax, dword [0x422e4c]
mov ecx, ebx
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp + 0x14], eax
mov byte [ebp - 4], 1
movzx eax, word [esi + 2]
push eax
push dword [ebp + 0x18]
lea eax, [ebp + 0x14]
push str._s:_d
push eax
call fcn.004062fd
push dword [ebp + 0x18]
mov esi, dword [ebp + 0x14]
push dword [ebp - 0x26c]
lea eax, [ebp - 0x270]
push dword [edi + 0x3c]
push dword [ebp + 0x1c]
push esi
push str.GET_http:___s_s_HTTP_1.1_r_nAccept:___r_nAccept_Encoding:_identity_r_nRange:_bytes_12d__12d_r_nUser_Agent:_HttpRange_r_nHost:__s_r_nProxy_Connection:_Keep_Alive_r_n
push eax
call fcn.004062fd
add esp, 0x2c
lea eax, [esi - 0x10]
mov byte [ebp - 4], 0
call fcn.0040252d
cmp byte [0x423c30], 0
mov esi, 0x41d2bc
je 0x405a99
push str.Proxy_Authorization:_Basic
lea eax, [ebp - 0x270]
push eax
call fcn.00406425
push 0x423c30
lea eax, [ebp - 0x270]
push eax
call fcn.00406425
push esi
lea eax, [ebp - 0x270]
push eax
call fcn.00406425
push esi
lea eax, [ebp - 0x270]
push eax
call fcn.00406425
jmp 0x405ac6
push dword [ebp + 0x18]
push eax
push dword [edi + 0x3c]
lea eax, [ebp - 0x270]
push dword [ebp + 0x1c]
push str.GET___s_HTTP_1.1_r_nAccept:___r_nAccept_Encoding:_identity_r_nRange:_bytes_d__d_r_nUser_Agent:_HttpRange_r_nHost:__s_r_nConnection:_Keep_Alive_r_n_r_n
push eax
call fcn.004062fd
add esp, 0x18
mov esi, dword [ebp - 0x270]
mov eax, dword [esi - 0xc]
push 0
push eax
push esi
push dword [edi + 0x30]
call dword [sym.imp.WS2_32.dll_send]
push esi
push str.CDownloadThread::DoMyTask_send_:_n_t_S_n
call fcn.00408fb4
mov eax, dword [ebp - 0x278]
mov ebx, dword [edi + 0x30]
pop ecx
pop ecx
call fcn.0040563c
test eax, eax
mov dword [ebp - 0x26c], eax
jg 0x405b09
or esi, 0xffffffff
jmp 0x405dff
lea esi, [ebp - 0x270]
call fcn.0040635c
push dword [ebp - 0x270]
push str.CDownloadThread::DoMyTask_recv_header_:_n_t_S_n
call fcn.00408fb4
pop ecx
pop ecx
mov ebx, str.Content_Range:_bytes
push ebx
xor ecx, ecx
call fcn.00406264
push eax
push str.CDownloadThread::DoMyTask_ContentRange_:_n_t_d_n
mov dword [ebp - 0x26c], eax
call fcn.00408fb4
cmp dword [ebp - 0x26c], 0
pop ecx
pop ecx
jle 0x405b01
cmp dword [edi + 0x38], 0xffffffff
jne 0x405c00
push ebx
xor ecx, ecx
call fcn.00406264
cmp eax, 0xffffffff
mov dword [ebp - 0x26c], eax
je 0x405d66
push 0xa
lea ecx, [ebp - 0x274]
push ecx
mov ecx, dword [ebp - 0x278]
lea eax, [eax + ecx + 0x15]
push eax
call fcn.0040cec7
push 0xa
lea eax, [ebp - 0x274]
push eax
mov eax, dword [ebp - 0x274]
inc eax
push eax
call fcn.0040cec7
mov dword [edi + 0x38], eax
push 0xa
lea eax, [ebp - 0x274]
push eax
mov eax, dword [ebp - 0x274]
inc eax
push eax
call fcn.0040cec7
mov ebx, eax
mov eax, dword [ebp + 0xc]
mov dword [eax + 0x30], ebx
mov dword [eax + 0x3c], 0
mov ecx, dword [edi + 0x38]
lea esi, [ecx + 1]
add esp, 0x24
cmp esi, ebx
jge 0x405c00
mov edx, dword [eax + 0x40]
cmp edx, 1
jle 0x405c00
mov eax, ebx
sub eax, ecx
dec eax
lea ecx, [edx - 1]
xor edx, edx
div ecx
mov dword [ebp + 0x14], esi
add eax, 0x1ffff
and eax, 0xfffe0000
cmp esi, ebx
mov dword [ebp + 0x1c], eax
jb 0x405d02
push 0
mov esi, edi
call fcn.00402ce1
test eax, eax
jne 0x405df9
mov ebx, dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov esi, dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
lea eax, [edi + 0x18]
push eax
mov dword [ebp + 0x18], eax
call esi
mov eax, dword [edi + 0x38]
sub eax, dword [edi + 0x3c]
push dword [ebp + 0x18]
inc eax
mov dword [ebp - 0x26c], eax
call ebx
xor ecx, ecx
cmp dword [ebp - 0x26c], ecx
jle 0x405dda
mov eax, 0x10000
cmp dword [ebp - 0x26c], eax
jle 0x405c59
mov dword [ebp - 0x26c], eax
push ecx
push dword [ebp - 0x26c]
push dword [ebp - 0x278]
push dword [edi + 0x30]
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
mov dword [ebp - 0x26c], eax
jle 0x405de2
push dword [ebp + 0x18]
call esi
mov eax, dword [edi + 0x3c]
mov edx, dword [edi + 0x38]
mov ecx, dword [ebp - 0x26c]
sub edx, eax
cmp ecx, edx
jle 0x405c9d
lea ecx, [edx + 1]
mov dword [ebp - 0x26c], ecx
xor esi, esi
cmp ecx, esi
jle 0x405dee
add eax, ecx
mov dword [edi + 0x3c], eax
call dword [sym.imp.KERNEL32.dll_GetTickCount]
push dword [ebp + 0x18]
mov dword [edi + 0x40], eax
call ebx
push esi
lea eax, [ebp - 0x26c]
push eax
push dword [ebp - 0x26c]
push dword [ebp - 0x278]
push dword [ebp + 0x10]
call dword [sym.imp.KERNEL32.dll_WriteFile]
push dword [ebp - 0x26c]
mov eax, dword [ebp + 0xc]
add eax, 0x3c
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedExchangeAdd]
push esi
mov esi, edi
call fcn.00402ce1
test eax, eax
je 0x405c17
jmp 0x405df9
mov eax, dword [ebp + 0x1c]
mov ecx, dword [ebp + 0x14]
lea eax, [ecx + eax - 1]
mov dword [ebp + 0x18], eax
add eax, 0x20000
cmp eax, ebx
jb 0x405d1b
lea eax, [ebx - 1]
mov dword [ebp + 0x18], eax
push 0
mov esi, edi
call fcn.00402ce1
test eax, eax
jne 0x405c00
push 0x44
call fcn.0040c6a3
test eax, eax
pop ecx
je 0x405d4a
push dword [ebp + 0x18]
mov edi, dword [ebp + 0x14]
mov esi, eax
call fcn.00405472
mov edi, dword [ebp + 8]
jmp 0x405d4c
xor eax, eax
push dword [ebp + 0xc]
mov esi, eax
call fcn.00402df2
mov eax, dword [ebp + 0x18]
inc eax
cmp eax, ebx
mov dword [ebp + 0x14], eax
jb 0x405cff
jmp 0x405c00
push str.Location:
xor ecx, ecx
lea esi, [ebp - 0x270]
call fcn.00406264
cmp eax, 0xffffffff
mov dword [ebp - 0x26c], eax
je 0x405dcb
add eax, 0xa
mov ecx, eax
mov dl, 0xd
mov dword [ebp - 0x26c], eax
call fcn.00406240
mov edx, dword [ebp - 0x26c]
mov ecx, eax
lea eax, [ebp + 0x18]
push eax
sub ecx, edx
mov eax, esi
call fcn.00406292
mov byte [ebp - 4], 2
push dword [eax]
mov eax, dword [ebp + 0xc]
add eax, 0x34
call fcn.004050d8
mov eax, dword [ebp + 0x18]
add eax, 0xfffffff0
call fcn.0040252d
xor esi, esi
inc esi
jmp 0x405dff
mov esi, dword [ebp + 0xc]
xor eax, eax
call fcn.00402f8c
jmp 0x405b01
mov dword [ebp - 0x26c], ecx
jmp 0x405df9
mov dword [ebp - 0x26c], 1
jmp 0x405df9
push dword [ebp + 0x18]
call ebx
mov dword [ebp - 0x26c], esi
mov esi, dword [ebp - 0x26c]
mov eax, dword [ebp - 0x270]
add eax, 0xfffffff0
call fcn.0040252d
mov eax, esi
pop esi
pop ebx
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
mov ecx, dword [ebp - 0x10]
pop edi
call fcn.0040f3d9
leave
ret 0x18