杀掉本地进程其实很简单,取得进程ID后,调用OpenProcess函数打开进程句柄,然后调用TerminateProcess函数就可以杀掉进程了。有些情况下并不能直接打开进程句柄,例如WINLOGON等系统进程,因为权限不够。这个时候我们就得先提升自己的进程的权限了。提升权限过程也不复杂,先调用GetCurrentProcess函数取得当前进程的句柄,然后调用OpenProcessToken打开当前进程的访问令牌,接着调用LookupPrivilegeValue函数取得你想提升的权限的值,最后调用AdjustTokenPrivileges函数给当前进程的访问令牌增加权限就可以了。一般有了SeDebugPrivilege特权后,就可以杀掉除Idle外的所有进程了。
t Cuvb OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
g
pciv <1>与远程系统建立IPC连接
bLT3:q#s <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
N2h5@*1Y <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
MmJMx <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
3Vu}D(PJ <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
UMcM&yu- <6>服务启动后,killsrv.exe运行,杀掉进程
3 s\UU2yr <7>清场
]0i[= 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
%<i sdvF /***********************************************************************
b:1B
> Module:Killsrv.c
2%/F`_XbP Date:2001/4/27
O:]']' / Author:ey4s
,#a4P`q'iC Http://www.ey4s.org ? Fqh
i ***********************************************************************/
/%YW[oY{V #include
f,YORJ #include
3h
bHS~ #include "function.c"
W3i<Unq
#define ServiceName "PSKILL"
Rsx6vF8]5 eI-fH SERVICE_STATUS_HANDLE ssh;
;QZG< SERVICE_STATUS ss;
CKw-HgXG /////////////////////////////////////////////////////////////////////////
)\U:e:Z ae void ServiceStopped(void)
LcKc#)'EE {
g}9,U&$]y ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
l@Lk+-[D ss.dwCurrentState=SERVICE_STOPPED;
+m_.?V6 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
V .Kjcy ss.dwWin32ExitCode=NO_ERROR;
HB9"T5Pd* ss.dwCheckPoint=0;
&0 QUObK ss.dwWaitHint=0;
`(W"wC SetServiceStatus(ssh,&ss);
F"Dr(V return;
RXRbW %b }
9FEhl~& /////////////////////////////////////////////////////////////////////////
Zf M]A) void ServicePaused(void)
COi15( G2 {
m?-)SA ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
V7$ m.P#uM ss.dwCurrentState=SERVICE_PAUSED;
Yjg$o:M ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
3P_.SF ss.dwWin32ExitCode=NO_ERROR;
%/eG{oh- ss.dwCheckPoint=0;
p5In9s ss.dwWaitHint=0;
yf{\^^ i( SetServiceStatus(ssh,&ss);
Uahh|>s return;
su0K#*P&I
}
\:'GAByy void ServiceRunning(void)
"t2T*'j{ {
zkt~[-jm} ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
CW`^fI9H ss.dwCurrentState=SERVICE_RUNNING;
(U\o0LI ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
i7RK*{ ss.dwWin32ExitCode=NO_ERROR;
R0M>'V?e ss.dwCheckPoint=0;
'[r: pwE ss.dwWaitHint=0;
dX\OP> SetServiceStatus(ssh,&ss);
=K@LEZZ'/< return;
zBm~ J% }
Vc\g"1x /////////////////////////////////////////////////////////////////////////
clDn=k< void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
mjOxmwo {
/}u:N:HA% switch(Opcode)
b'(AVA {
Ioe.[&o6B case SERVICE_CONTROL_STOP://停止Service
]xf89[;0 ServiceStopped();
\m`IgP* break;
<mX5VGY9^ case SERVICE_CONTROL_INTERROGATE:
Eq@sU?j SetServiceStatus(ssh,&ss);
R14&V1 tZ break;
gvVy0nJI~ }
Gn7\4,C return;
mq{Z
Q' }
LBio$67F //////////////////////////////////////////////////////////////////////////////
nANl9;G //杀进程成功设置服务状态为SERVICE_STOPPED
H:b"Vd"x9 //失败设置服务状态为SERVICE_PAUSED
M_O$]^I3w //
3SM'vV0[ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
I'D 3~UIf {
. (&6gB ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
mAH7;u< if(!ssh)
9f['TG," {
v~RxtTu ServicePaused();
[\F:NLjiUy return;
4][VK/v+ }
yS)k"XNb ServiceRunning();
B^19![v3T Sleep(100);
9X[378f+( //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
!yg &zzP* //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
/XG7M=A$o if(KillPS(atoi(lpszArgv[5])))
i~GW ServiceStopped();
yI=nu53BV else
Z4z|B& ServicePaused();
:Gz$(!j1.' return;
}P=FMme{F( }
-/3h&g /////////////////////////////////////////////////////////////////////////////
TrZ!E`~ void main(DWORD dwArgc,LPTSTR *lpszArgv)
kW+>"3 {
C\rT'!Uk\Q SERVICE_TABLE_ENTRY ste[2];
Zy Df@(z` ste[0].lpServiceName=ServiceName;
DmoY],9I+p ste[0].lpServiceProc=ServiceMain;
`?:{aOI ste[1].lpServiceName=NULL;
[/ CB1//Y ste[1].lpServiceProc=NULL;
va~:Ivl-) StartServiceCtrlDispatcher(ste);
gy1kb,MO return;
)YCH>Za }
3{H!B&sb /////////////////////////////////////////////////////////////////////////////
jHMP"(] function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
x8z6 < 下:
JAW7Y:XB /***********************************************************************
Z$0mKw Module:function.c
0$XrtnM Date:2001/4/28
'Q'-7z-6 Author:ey4s
d*!H&1L Http://www.ey4s.org I9TNUZq(' ***********************************************************************/
n n[idw #include
0o6r3xc; ////////////////////////////////////////////////////////////////////////////
.K940& Ui BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
qoan<z7 {
`U?S 9m TOKEN_PRIVILEGES tp;
&xj40IZ LUID luid;
4YOLy\"S WbFCj0 if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
<q MX,h2 {
qq^[(n printf("\nLookupPrivilegeValue error:%d", GetLastError() );
u 'ng'j' return FALSE;
YC{7;=Pf }
Q2|6W E tp.PrivilegeCount = 1;
@8YuMD; tp.Privileges[0].Luid = luid;
uPFbKSJj if (bEnablePrivilege)
48gpXcc@| tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
VQ~eg wJL else
I%?M9y.u6 tp.Privileges[0].Attributes = 0;
Q1h v2*/U // Enable the privilege or disable all privileges.
VuBi_v6 AdjustTokenPrivileges(
1^Q!EV hToken,
*nM.`7g*[ FALSE,
~9fTs4U &tp,
}k1[Fc| sizeof(TOKEN_PRIVILEGES),
B^1jd!m (PTOKEN_PRIVILEGES) NULL,
r|jBKq~ (PDWORD) NULL);
qyIy xJ // Call GetLastError to determine whether the function succeeded.
.GnoK? if (GetLastError() != ERROR_SUCCESS)
3,+UsB% {
.<P@6Jq printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
esTK4z] return FALSE;
}Ny~.EV5^ }
I1ibrn return TRUE;
?s 0")R& }
/[3!kW ////////////////////////////////////////////////////////////////////////////
QK~>KgVi BOOL KillPS(DWORD id)
<
Lrd(b; {
.bMU$ O1 HANDLE hProcess=NULL,hProcessToken=NULL;
lZ+1A0e BOOL IsKilled=FALSE,bRet=FALSE;
.b%mr:nEt7 __try
]sI{+$~:c {
`Q^Vm3h k/xNqN( if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
]o8~b- {
&kOb#\11u printf("\nOpen Current Process Token failed:%d",GetLastError());
avv/mEf-f __leave;
/3vj`#jD }
Bsz;GnD|r //printf("\nOpen Current Process Token ok!");
T /7[hj if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
%ye4FwkRy {
H~qY7t __leave;
:n?}G0y }
\?\q0o<V$ printf("\nSetPrivilege ok!");
6? (8KsaN 5a l44[ if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
Ks7kaX {
9;c]_zt printf("\nOpen Process %d failed:%d",id,GetLastError());
gtP;Qw' __leave;
#KSB% }
In4T`c?kQ //printf("\nOpen Process %d ok!",id);
fI(H
:N if(!TerminateProcess(hProcess,1))
w<4){.dA {
qoD
M!~ printf("\nTerminateProcess failed:%d",GetLastError());
j[1^#kE __leave;
"2/VDB4!FG }
3412znM& IsKilled=TRUE;
HYk*;mD }
#^/&fdK~A __finally
(au7wI{ {
(aH_K07 if(hProcessToken!=NULL) CloseHandle(hProcessToken);
{Q~A;t if(hProcess!=NULL) CloseHandle(hProcess);
}%-`CJ, }
4fzM%ku return(IsKilled);
Ib4 8` }
">RDa<H] //////////////////////////////////////////////////////////////////////////////////////////////
<$;fOp OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
7~q'3 N /*********************************************************************************************
Z.0^:rVp~ ModulesKill.c
D&)gcO`\ Create:2001/4/28
^coJ"[D Modify:2001/6/23
cE=v566 Author:ey4s
IF*kLl? Http://www.ey4s.org {GH
0
J" PsKill ==>Local and Remote process killer for windows 2k
pKSVT **************************************************************************/
k4-C*Gx$h #include "ps.h"
)6mv7M{ #define EXE "killsrv.exe"
T+/Gz' #define ServiceName "PSKILL"
Wm ?RB0 'W j Q #pragma comment(lib,"mpr.lib")
.es= w= //////////////////////////////////////////////////////////////////////////
K`1\3J) //定义全局变量
WaWx5Fx+
SERVICE_STATUS ssStatus;
f&>Q6 {*] SC_HANDLE hSCManager=NULL,hSCService=NULL;
B6Tn8@O BOOL bKilled=FALSE;
L7*~8Y char szTarget[52]=;
BT+ws@|[ //////////////////////////////////////////////////////////////////////////
',*
6vbII BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
hpym!G BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
{Z|.-~W BOOL WaitServiceStop();//等待服务停止函数
s.I=H^T BOOL RemoveService();//删除服务函数
|3g:q /////////////////////////////////////////////////////////////////////////
C31SXQ int main(DWORD dwArgc,LPTSTR *lpszArgv)
1<qq6 9x {
7<?v!vQ}- BOOL bRet=FALSE,bFile=FALSE;
Hca)5$yL char tmp[52]=,RemoteFilePath[128]=,
[OsW szUser[52]=,szPass[52]=;
>b/0i$8 HANDLE hFile=NULL;
7b T5-=.
DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
m5LP~Gb
c>3W1" //杀本地进程
Wcn^IQ if(dwArgc==2)
@ B3@M {
.Isg1qrC if(KillPS(atoi(lpszArgv[1])))
an<tupi[E printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
;comL29l2` else
W~QZ(:IK printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
Da8qR+*x
lpszArgv[1],GetLastError());
R16"lG return 0;
66%kq[ }
\d%SC <s //用户输入错误
aX1|&erI else if(dwArgc!=5)
#tBbvs+% {
TaB35glLY printf("\nPSKILL ==>Local and Remote Process Killer"
?Zoq|Q+ "\nPower by ey4s"
0:nQGX!N "\nhttp://www.ey4s.org 2001/6/23"
t9x.O "\n\nUsage:%s <==Killed Local Process"
*Qg/W?"m "\n %s <==Killed Remote Process\n",
]}G(@9 lpszArgv[0],lpszArgv[0]);
/^0Hi4+\ return 1;
J]|-.Wv1 }
?(U>
)SvF //杀远程机器进程
U1rh[A> strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
`^afbW strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
z0Gh |N@) strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
diqG8KaK Qo{^jDe,c* //将在目标机器上创建的exe文件的路径
W?/7PVGv5h sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
K)0 6][, __try
4- 6' {
)r1Z}X(#d //与目标建立IPC连接
+2W#=G if(!ConnIPC(szTarget,szUser,szPass))
%-T]!3"n {
R{6.O+j` printf("\nConnect to %s failed:%d",szTarget,GetLastError());
Tj*zlb4 return 1;
.'7o,)pJ< }
dmrM %a}W- printf("\nConnect to %s success!",szTarget);
<v[,A8Q //在目标机器上创建exe文件
y)#Ib*? M* QqiE hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
kAbT&Rm" E,
0 x"3 NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
fwxyZBr if(hFile==INVALID_HANDLE_VALUE)
M6|Q~8$ {
c6dL
S printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
/tP"r}l __leave;
!OWV* v2 }
mKnkHGM //写文件内容
haa[ob6T while(dwSize>dwIndex)
Vv=d* {
~Cj+6CrT _.FxqH> if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
'1r:z, o| {
xb_35'$M printf("\nWrite file %s
s bW` failed:%d",RemoteFilePath,GetLastError());
^O[qCX __leave;
^X0<ZI }
lcIX
l&