Function at 0x51d8c0
Capabilities:
Check os version
Get socket status

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5cbad0
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x100
push ebx
push esi
push edi
lea eax, [ebp - 0x8c]
mov dword [ebp - 0x10], esp
mov esi, ecx
xor ebx, ebx
push eax
mov dword [ebp - 0x38], esi
mov dword [ebp - 4], ebx
mov dword [ebp - 0x4c], 3
mov dword [ebp - 0x48], ebx
call fcn.0058acfc
lea ecx, [ebp - 0x44]
push ecx
call fcn.0058acfc
mov eax, dword [esi + 0xac]
add esp, 8
cmp eax, ebx
jne 0x51d922
cmp dword [esi + 0xbc], ebx
je 0x51d932
cmp dword [esi + 0x10c], ebx
je 0x51d93b
cmp dword [esi + 0x110], ebx
je 0x51d93b
mov dword [ebp - 0x20], 1
jmp 0x51d93e
mov dword [ebp - 0x20], ebx
mov ecx, esi
call fcn.00552870
mov ecx, esi
call fcn.00552f90
mov ecx, esi
call fcn.00552070
mov dword [ebp - 0x34], ebx
mov dword [ebp - 0x30], ebx
mov eax, dword [esi + 0x38]
mov ecx, esi
cmp eax, ebx
je 0x51d9c5
call fcn.0051e540
lea ecx, [esi + 0x48]
call fcn.0050d7f0
mov edx, dword [esi + 0x150]
mov ecx, dword [esi + 0x154]
lea eax, [esi + 0x20]
mov dword [esi + 0x30], ebx
push eax
push 0x1471
mov dword [eax], edx
mov edx, dword [esi + 0x158]
mov dword [eax + 4], ecx
mov ecx, dword [esi + 0x15c]
mov dword [esi + 0x28], edx
mov edx, dword [esi + 0x10]
mov dword [esi + 0x2c], ecx
push 0x111
mov eax, dword [edx]
push eax
call dword [sym.imp.USER32.dll_SendMessageA]
mov eax, 0x7540
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
call fcn.00551c80
test al, al
mov byte [ebp - 0x24], al
je 0x51d9ef
lea ecx, [ebp - 0x68]
push ecx
call fcn.0058acfc
mov edx, dword [esi + 0x158]
mov eax, dword [esi + 0x15c]
add esp, 4
mov dword [ebp - 0x34], edx
mov dword [ebp - 0x30], eax
lea ecx, [ebp - 0x4c]
lea edx, [esi + 0x5f0]
push ecx
lea eax, [esi + 0x3ec]
push edx
lea ecx, [esi + 0x1e8]
push eax
push ecx
push ebx
call sub.WSOCK32.dll_select
mov edi, eax
mov eax, dword [esi + 0x38]
cmp eax, ebx
je 0x51da3c
mov ecx, esi
call fcn.0051e540
lea ecx, [esi + 0x48]
call fcn.0050d7f0
mov eax, 0x7540
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [esi + 0x158]
mov ecx, dword [esi + 0x15c]
or eax, ecx
jne 0x51da80
lea edx, [ebp - 0x44]
push edx
call fcn.0058acfc
mov eax, dword [ebp - 0x44]
mov edx, dword [ebp - 0x8c]
sub eax, edx
add esp, 4
cmp eax, 0x12c
jle 0x51da80
mov eax, 0x7532
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
cmp edi, 0xffffffff
je 0x51dae2
cmp edi, ebx
je 0x51dae2
xor edi, edi
cmp edi, dword [esi + 0x140]
jge 0x51db17
lea eax, [edi + edi*2]
lea ecx, [eax + eax*4]
lea eax, [edi + ecx*4]
mov ecx, dword [esi + 0x1e4]
lea edx, [eax + eax*4]
lea eax, [edi + edx*2]
lea eax, [eax + eax*2]
lea ecx, [ecx + eax*8]
cmp dword [ecx + 0x54], ebx
je 0x51dadf
cmp dword [esi + 0x38], ebx
je 0x51dada
lea ecx, [esi + 0x48]
call fcn.0050d7f0
mov eax, 0x7540
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
call fcn.0051a660
inc edi
jmp 0x51da8b
xor edi, edi
cmp edi, dword [esi + 0x140]
jge 0x51db17
lea eax, [edi + edi*2]
lea edx, [eax + eax*4]
lea eax, [edi + edx*4]
mov edx, dword [esi + 0x1e4]
lea eax, [eax + eax*4]
lea eax, [edi + eax*2]
lea ecx, [eax + eax*2]
mov eax, dword [edx + ecx*8 + 0x54]
cmp eax, ebx
lea ecx, [edx + ecx*8]
je 0x51db14
call fcn.00519f70
inc edi
jmp 0x51dae4
mov eax, dword [ebp - 0x24]
mov ecx, esi
push eax
push ebx
call fcn.00552140
lea ecx, [ebp - 0x80]
push ecx
call fcn.0058acfc
mov eax, dword [ebp - 0x80]
mov ecx, dword [ebp - 0x44]
sub eax, ecx
mov ecx, dword [ebp - 0x7c]
and ecx, 0xffff
add esp, 4
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
lea edx, [eax + eax*4]
mov eax, dword [ebp - 0x40]
shl edx, 3
and eax, 0xffff
sub edx, eax
add edx, ecx
cmp edx, 0xfa
jl 0x51dbdd
lea edx, [ebp - 0x44]
push edx
call fcn.0058acfc
add esp, 4
xor ebx, ebx
cmp ebx, dword [esi + 0x140]
jge 0x51dbdd
lea eax, [ebx + ebx*2]
lea eax, [eax + eax*4]
lea eax, [ebx + eax*4]
lea ecx, [eax + eax*4]
lea eax, [ebx + ecx*2]
lea edx, [eax + eax*2]
mov eax, dword [esi + 0x1e4]
lea edi, [eax + edx*8]
mov eax, dword [eax + edx*8 + 0x54]
test eax, eax
je 0x51dbda
mov ecx, dword [edi + 0x70]
mov edx, dword [ecx]
cmp dword [edx], 0
je 0x51dbda
mov eax, dword [edi + 0x38]
mov ecx, dword [edi + 0x3c]
or eax, ecx
je 0x51dbda
lea eax, [edi + 0x2d0]
mov ecx, edi
push eax
call fcn.00510e90
mov ecx, dword [edi + 0x70]
lea eax, [edi + 0x2d0]
push eax
push 0x13ef
mov edx, dword [ecx]
push 0x111
mov eax, dword [edx]
push eax
call dword [sym.imp.USER32.dll_PostMessageA]
inc ebx
jmp 0x51db6e
mov eax, dword [esi + 0x38]
test eax, eax
je 0x51dc09
mov ecx, esi
call fcn.0051e540
lea ecx, [esi + 0x48]
call fcn.0050d7f0
mov eax, 0x7540
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp - 0x20]
test eax, eax
je 0x51dc9e
mov eax, dword [esi + 0x154]
test eax, eax
jg 0x51dc36
jl 0x51dc2a
mov eax, dword [esi + 0x150]
test eax, eax
ja 0x51dc36
mov ecx, dword [esi + 0x1e4]
cmp dword [ecx + 0x5c], 6
jne 0x51dc9e
mov eax, dword [esi + 0x10c]
test eax, eax
je 0x51dc63
mov eax, dword [esi + 0x110]
test eax, eax
je 0x51dc63
mov edx, dword [esi + 0x114]
push 0
push edx
push 0x1407
push eax
call dword [sym.imp.USER32.dll_SendMessageA]
test eax, eax
je 0x51dc85
mov ecx, esi
call fcn.0051e540
lea ecx, [esi + 0x48]
call fcn.0050d7f0
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [esi + 0x814]
mov dword [ebp - 0x20], 0
mov dword [esi + 0x13c], eax
mov dword [esi + 0x1e0], eax
mov eax, dword [esi + 0xc]
mov cl, byte [eax + 0x2e0]
test cl, cl
je 0x51dd02
mov al, byte [0x687c44]
test al, al
jne 0x51dd02
mov eax, dword [esi + 0x154]
test eax, eax
jl 0x51dd02
jg 0x51dcca
mov eax, dword [esi + 0x150]
test eax, eax
jbe 0x51dd02
push str.Stop_downloading__wait_while_the_Start_btn_will_be_pressed_n
mov ecx, esi
call fcn.00551f10
mov ecx, esi
call fcn.0051e540
lea ecx, [esi + 0x48]
call fcn.0050d7f0
mov dword [esi + 0x38], 1
mov eax, 0x7540
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov al, byte [ebp - 0x24]
test al, al
je 0x51df18
mov ecx, dword [esi + 0x15c]
mov eax, dword [esi + 0x158]
test ecx, ecx
jl 0x51df18
jg 0x51dd2e
cmp eax, 0x400
jbe 0x51df18
mov ecx, esi
call fcn.00551c40
lea ecx, [ebp - 0x74]
mov dword [ebp - 0x2c], eax
push ecx
mov ebx, edx
call fcn.0058acfc
mov eax, dword [esi + 0x158]
mov edi, dword [ebp - 0x34]
mov ecx, dword [esi + 0x15c]
mov edx, dword [ebp - 0x30]
add esp, 4
sub eax, edi
sbb ecx, edx
mov dword [ebp - 0x5c], eax
mov dword [ebp - 0x58], ecx
js 0x51df18
jg 0x51dd72
test eax, eax
jbe 0x51df18
mov eax, dword [ebp - 0x74]
mov edx, dword [ebp - 0x68]
sub eax, edx
mov edx, dword [ebp - 0x64]
mov ecx, dword [ebp - 0x70]
and edx, 0xffff
lea eax, [eax + eax*4]
and ecx, 0xffff
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
shl eax, 3
sub eax, edx
add eax, ecx
mov dword [ebp - 0x1c], eax
jne 0x51dda8
mov dword [ebp - 0x1c], 1
fild qword [ebp - 0x5c]
fmul dword [0x5ddd9c]
fidiv dword [ebp - 0x1c]
call fcn.00589918
mov edi, edx
mov ecx, eax
cmp edi, ebx
jl 0x51df18
jg 0x51ddd0
cmp ecx, dword [ebp - 0x2c]
jbe 0x51df18
mov edx, dword [ebp - 0x2c]
mov eax, dword [ebp - 0x1c]
sub ecx, edx
cdq
sbb edi, ebx
push edx
push eax
push edi
push ecx
call fcn.0058bcb0
mov ecx, dword [ebp - 0x2c]
push ebx
push ecx
push edx
push eax
call fcn.0058b240
mov edi, eax
mov eax, dword [esi + 0x160]
cdq
mov dword [ebp - 0x14], edx
mov edx, dword [ebp - 0x2c]
push 0
push 2
push ebx
push edx
mov dword [ebp - 0x18], eax
call fcn.0058b240
cmp dword [ebp - 0x14], edx
jg 0x51de2e
jl 0x51de19
cmp dword [ebp - 0x18], eax
jae 0x51de2e
mov eax, 0x66666667
imul edi
sar edx, 3
mov eax, edx
shr eax, 0x1f
add edx, eax
mov edi, edx
jmp 0x51de5c
mov ecx, dword [ebp - 0x2c]
push 0
push 9
push ebx
push ecx
call fcn.0058bcb0
push 0
push 0xa
push edx
push eax
call fcn.0058b240
cmp dword [ebp - 0x14], edx
jg 0x51de5c
jl 0x51de53
cmp dword [ebp - 0x18], eax
jae 0x51de5c
mov eax, edi
cdq
sub eax, edx
sar eax, 1
mov edi, eax
cmp edi, 0x2ee0
jle 0x51de6b
mov edi, 0x2ee0
jmp 0x51de73
test edi, edi
jle 0x51df18
mov eax, dword [esi + 0x818]
cmp eax, 0xffffffff
je 0x51df11
lea ecx, [esi + 0x1e8]
lea ebx, [esi + 0x5f0]
mov dword [esi + 0x3ec], 0
mov dword [ecx], 0
mov dword [ebx], 0
mov dword [esi + 0x1ec], eax
mov eax, dword [ecx]
inc eax
mov dword [ecx], eax
mov eax, dword [ebx]
cmp eax, 0x80
jae 0x51deca
mov edx, dword [esi + 0x818]
mov dword [esi + eax*4 + 0x5f4], edx
mov eax, dword [ebx]
inc eax
mov dword [ebx], eax
mov eax, 0x10624dd3
imul edi
sar edx, 6
mov eax, edx
shr eax, 0x1f
add edx, eax
mov dword [ebp - 0x54], edx
lea eax, [edx + edx*4]
lea eax, [eax + eax*4]
lea edx, [eax + eax*4]
shl edx, 3
sub edi, edx
lea edx, [ebp - 0x54]
push edx
push ebx
lea eax, [edi + edi*4]
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
shl eax, 3
mov dword [ebp - 0x50], eax
lea eax, [esi + 0x3ec]
push eax
push ecx
push 0
call sub.WSOCK32.dll_select
jmp 0x51df18
push edi
call dword [sym.imp.KERNEL32.dll_Sleep]
mov ecx, esi
call fcn.0051e0d0
mov edi, eax
mov ecx, esi
test edi, edi
jne 0x51df3a
call fcn.0051e6b0
mov ecx, esi
call fcn.00552fc0
xor ebx, ebx
jmp 0x51d959
call fcn.0051e540
mov eax, dword [esi + 0x38]
test eax, eax
je 0x51df64
lea ecx, [esi + 0x48]
call fcn.0050d7f0
mov eax, 0x7540
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
cmp edi, 0x753c
jne 0x51df8f
mov esi, dword [esi + 0xf8]
test esi, esi
mov eax, esi
jne 0x51e0be
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
cmp edi, 0xffffffff
je 0x51e0bb
mov eax, dword [esi + 0x15c]
mov ecx, dword [esi + 0x158]
mov edx, dword [0x688a88]
push eax
push ecx
lea eax, [ebp - 0x10c]
push edx
push eax
call fcn.00589e0a
add esp, 0x10
lea ecx, [ebp - 0x10c]
push 1
push ecx
mov ecx, esi
call fcn.00551df0
xor ebx, ebx
cmp ebx, dword [esi + 0x140]
jge 0x51e03d
lea eax, [ebx + ebx*2]
lea edx, [eax + eax*4]
lea eax, [ebx + edx*4]
mov edx, dword [esi + 0x1e4]
lea eax, [eax + eax*4]
lea eax, [ebx + eax*2]
lea ecx, [eax + eax*2]
mov eax, dword [edx + ecx*8 + 0x54]
test eax, eax
lea edi, [edx + ecx*8]
je 0x51e03a
mov eax, dword [edi + 0x70]
mov ecx, dword [eax]
cmp dword [ecx], 0
je 0x51e03a
mov edx, dword [edi + 0x38]
mov eax, dword [edi + 0x3c]
or edx, eax
je 0x51e03a
lea eax, [edi + 0x2d0]
mov ecx, edi
push eax
call fcn.00510e90
lea eax, [edi + 0x2d0]
push eax
mov eax, dword [edi + 0x70]
push 0x13ef
push 0x111
mov ecx, dword [eax]
mov edx, dword [ecx]
push edx
call dword [sym.imp.USER32.dll_PostMessageA]
inc ebx
jmp 0x51dfce
mov edx, dword [esi + 0x158]
mov eax, dword [esi + 0x15c]
mov ecx, dword [esi + 0x150]
mov dword [ebp - 0x14], eax
mov eax, dword [esi + 0x154]
cmp edx, ecx
mov dword [ebp - 0x18], edx
jne 0x51e066
mov edx, dword [ebp - 0x14]
cmp edx, eax
je 0x51e08e
mov edx, ecx
or edx, eax
je 0x51e08e
cmp dword [ebp - 0x14], eax
jl 0x51e0bb
jg 0x51e078
cmp dword [ebp - 0x18], ecx
jbe 0x51e0bb
mov eax, 0x7570
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov ecx, esi
call fcn.00552fc0
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
or eax, 0xffffffff
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret