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。
&Vgjd> OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
SKRD{MRsux <1>与远程系统建立IPC连接
]s,T`
(& <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
OgH Wmb <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
d\Dxmb]o <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
6oUT+^z# <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
5QmF0z)wR <6>服务启动后,killsrv.exe运行,杀掉进程
"t_] Qu6 <7>清场
A;kAAM 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
)_bXKYUX*0 /***********************************************************************
>!WJ{M0 Module:Killsrv.c
uF(-h~ Date:2001/4/27
pM
VeUK? Author:ey4s
:l9C7o Http://www.ey4s.org 4dfe5\ ***********************************************************************/
&]z2=\^e #include
|u;5|i #include
V<nzThM\ #include "function.c"
)XO2DY1/& #define ServiceName "PSKILL"
P$4?-AZ /Zv }u SERVICE_STATUS_HANDLE ssh;
VCc4nn# SERVICE_STATUS ss;
_'j>xK /////////////////////////////////////////////////////////////////////////
M>I}^Zp! void ServiceStopped(void)
+%gh? {
4a)qn?<z ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
t9P` nfY ss.dwCurrentState=SERVICE_STOPPED;
@$(4;ar ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
b|fq63ar; ss.dwWin32ExitCode=NO_ERROR;
XTeU2I ss.dwCheckPoint=0;
I|R9@ ss.dwWaitHint=0;
\-sDRW SetServiceStatus(ssh,&ss);
* rs_k/2( return;
!4z"a@$ }
Jge;/f!i /////////////////////////////////////////////////////////////////////////
4L5Wa~5\ void ServicePaused(void)
6 'wP?= {
m&ZdtB| ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
*4(.=k ss.dwCurrentState=SERVICE_PAUSED;
3{$cb"5 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
$rjv4e}7 ss.dwWin32ExitCode=NO_ERROR;
@[JQCQ#r ss.dwCheckPoint=0;
D% 50 ss.dwWaitHint=0;
n7{c0;)$ SetServiceStatus(ssh,&ss);
+JQN=nTA return;
<w,aS;v6jp }
+qS$t void ServiceRunning(void)
$W0lz#s: {
Jn:GqO ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Y,&)%Eo< ss.dwCurrentState=SERVICE_RUNNING;
Pel3e ~?t ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
%HSoQ?qA ss.dwWin32ExitCode=NO_ERROR;
ZGp8$Y>r ss.dwCheckPoint=0;
Y+G4: ss.dwWaitHint=0;
ul% q6=f) SetServiceStatus(ssh,&ss);
t~bjD V^` return;
\{~x<<qFd }
m*I5 \ /////////////////////////////////////////////////////////////////////////
a{u)~:/G void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
beIEy(rA {
].1R~7b switch(Opcode)
^|gN?:fA} {
=CqLZ$10 case SERVICE_CONTROL_STOP://停止Service
@P@t/ ServiceStopped();
!A<?nz
Uv break;
g\jdR_/ case SERVICE_CONTROL_INTERROGATE:
>eU;lru2Q SetServiceStatus(ssh,&ss);
XVI+Y break;
XE>XzsnC }
p6ZKyi return;
.Wa6?r<g }
h"<rW7z //////////////////////////////////////////////////////////////////////////////
*np%67=jO //杀进程成功设置服务状态为SERVICE_STOPPED
12rr:(#%s //失败设置服务状态为SERVICE_PAUSED
lFRgyEPH //
w\\ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
8taaBM`: {
5$O@+W!?@ ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
u37+B if(!ssh)
;xj^*b {
02=eE|Y@ ServicePaused();
L;v#9^Fq return;
sa*hoL18 }
4ci
@$nL1 ServiceRunning();
;,IGO7R Sleep(100);
>+G=|2 //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
Z?^AX&F //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
b2:CFtH5 if(KillPS(atoi(lpszArgv[5])))
p- Q1abl ServiceStopped();
^LnCxA&QH else
/h ServicePaused();
#%E~IA% return;
vmk
c]DC }
^srx/6X /////////////////////////////////////////////////////////////////////////////
t/y0gr tm6 void main(DWORD dwArgc,LPTSTR *lpszArgv)
wt RAq/ {
xOEj+%M SERVICE_TABLE_ENTRY ste[2];
$)PNf'5Zg ste[0].lpServiceName=ServiceName;
EJN}$|*Av ste[0].lpServiceProc=ServiceMain;
==Y^~ab;K ste[1].lpServiceName=NULL;
= [:ruE ste[1].lpServiceProc=NULL;
t/nu/yz5E StartServiceCtrlDispatcher(ste);
>pn?~ return;
'5{gWV` }
ON!1lS /////////////////////////////////////////////////////////////////////////////
eP;lH~!.0 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
[dUW3}APV 下:
H'2pmwk /***********************************************************************
$e0sa=/ Module:function.c
AC
3 ;i Date:2001/4/28
=G*<WcR Author:ey4s
m}8c.OJ>K` Http://www.ey4s.org Thz&wH`W ***********************************************************************/
,.DU)Wi?} #include
]V}";cm;2 ////////////////////////////////////////////////////////////////////////////
ek3/`]V: BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
'S&5zwrH {
6R"& !.ZF TOKEN_PRIVILEGES tp;
EXo"F*gW LUID luid;
\GBv@ x.}iSE{ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
Uv.{=H: {
KZ&8aulP printf("\nLookupPrivilegeValue error:%d", GetLastError() );
0~"{z>s ' return FALSE;
nww,y }
y/
vE tp.PrivilegeCount = 1;
hoPCbjkov tp.Privileges[0].Luid = luid;
2}hEBw68 if (bEnablePrivilege)
HjL+Wg tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
.hn"NXy else
UKn>., tp.Privileges[0].Attributes = 0;
BK6oW3wD/ // Enable the privilege or disable all privileges.
*\-6p0~A AdjustTokenPrivileges(
Lw2EA 5 hToken,
dTS7l02 FALSE,
CSIW|R@
&tp,
1[mX_ }K sizeof(TOKEN_PRIVILEGES),
v-g2k_o| (PTOKEN_PRIVILEGES) NULL,
lP0'Zg( (PDWORD) NULL);
+.gZILw // Call GetLastError to determine whether the function succeeded.
!$Nh:(>: if (GetLastError() != ERROR_SUCCESS)
| [P!9e {
C+jlIT+ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
{ge^&l return FALSE;
O &;Cca }
Un@d Wf6' return TRUE;
A"d=,?yE }
$,F1E VJ ////////////////////////////////////////////////////////////////////////////
'\=aSZVO BOOL KillPS(DWORD id)
`BF +)fs {
~xkcQ{ HANDLE hProcess=NULL,hProcessToken=NULL;
-=@d2LY BOOL IsKilled=FALSE,bRet=FALSE;
_KLKa/3 __try
8+^q9rLii {
XeJn,= K#tT \ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
z'j4^Xz?%$ {
H
$XO]\ printf("\nOpen Current Process Token failed:%d",GetLastError());
9x23## s __leave;
xrf z-"n4 }
S sGb; //printf("\nOpen Current Process Token ok!");
_-$(=`8|<{ if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
iTwb#Q= {
_?CyKk\I __leave;
>-0Rq[) }
;y/&p d+ printf("\nSetPrivilege ok!");
cY0NQKUk~ VMXccT9i! if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
b<n*wH {
jH({Qc,97 printf("\nOpen Process %d failed:%d",id,GetLastError());
ot($aY,t __leave;
BF
b<"!Y }
Y;-$w|&P> //printf("\nOpen Process %d ok!",id);
~l+2Z4nV if(!TerminateProcess(hProcess,1))
+0_e a~{ {
oIrO%v:'! printf("\nTerminateProcess failed:%d",GetLastError());
TD!--l*gL __leave;
SYkwM6 }
s'b 4Me IsKilled=TRUE;
Y 3h`uLQ }
FC@h6\+a __finally
?(0=+o(` {
qILb># if(hProcessToken!=NULL) CloseHandle(hProcessToken);
k{d] if(hProcess!=NULL) CloseHandle(hProcess);
N:x--,2 }
[MhKR }a return(IsKilled);
+saXN6 }
]l>LU2 sx //////////////////////////////////////////////////////////////////////////////////////////////
%PM&`c98z7 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:
"ngULpb{R /*********************************************************************************************
JlR$"GU ModulesKill.c
~@ =(#tO. Create:2001/4/28
n+MWny Modify:2001/6/23
=h0vdi%{ Author:ey4s
:e/*5ix Http://www.ey4s.org
h!=h0 PsKill ==>Local and Remote process killer for windows 2k
4a}[&zm(5 **************************************************************************/
VK286[[fv #include "ps.h"
@QteC@k #define EXE "killsrv.exe"
_rM?g1}5j #define ServiceName "PSKILL"
2,aH1Xbex /s*.:cdH #pragma comment(lib,"mpr.lib")
e`n+U-)z //////////////////////////////////////////////////////////////////////////
_Z7`tUS-j //定义全局变量
;`Nh@*_ SERVICE_STATUS ssStatus;
t.y-b`v SC_HANDLE hSCManager=NULL,hSCService=NULL;
:^7>kJ5? BOOL bKilled=FALSE;
ttOk6- char szTarget[52]=;
O,6Wdw3+-3 //////////////////////////////////////////////////////////////////////////
MH=7(15R BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
P q0%oz BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
.V4- BOOL WaitServiceStop();//等待服务停止函数
5EU~T.4C< BOOL RemoveService();//删除服务函数
7UIf /////////////////////////////////////////////////////////////////////////
aD]!
eP/) int main(DWORD dwArgc,LPTSTR *lpszArgv)
wg%g(FO {
&hEn3u BOOL bRet=FALSE,bFile=FALSE;
bTU[E char tmp[52]=,RemoteFilePath[128]=,
<Pzy'9 szUser[52]=,szPass[52]=;
Lq|>n[KY HANDLE hFile=NULL;
ZDg(D" DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
IjGPiC &AN1xcx\ //杀本地进程
B (Ps/ if(dwArgc==2)
cbN;Kv?ak} {
m g,1*B' if(KillPS(atoi(lpszArgv[1])))
^/_Yk.w printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
T/a=z else
4-~Z{#- printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
&rG B58 lpszArgv[1],GetLastError());
KL9k9|!p return 0;
fIl;qGz85 }
? D
_kQl //用户输入错误
wA\5-C7j else if(dwArgc!=5)
z/u^ {
{`QA.he. printf("\nPSKILL ==>Local and Remote Process Killer"
W1 k]P. "\nPower by ey4s"
)adV`V%=> "\nhttp://www.ey4s.org 2001/6/23"
`^52IkM) "\n\nUsage:%s <==Killed Local Process"
[Ur\^wS "\n %s <==Killed Remote Process\n",
Y{D%v lpszArgv[0],lpszArgv[0]);
~wa6S? return 1;
QF)\\D[ }
@/F61Ut //杀远程机器进程
f(Y_<% strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
/a'1W/^2 strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
N0H=;CIQ strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
V"m S$MN &\1n=y //将在目标机器上创建的exe文件的路径
#l ZK_N|1x sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
N+'j on}U __try
_Ao$)Gu) {
"$XX4w
M //与目标建立IPC连接
jMgXIK\ if(!ConnIPC(szTarget,szUser,szPass))
GlnO8cAB {
yVII<ImqIH printf("\nConnect to %s failed:%d",szTarget,GetLastError());
+? h}e return 1;
L8 L1_ }
;xZjt4M1 printf("\nConnect to %s success!",szTarget);
q pCI[[ //在目标机器上创建exe文件
_]-4d_&3( C,An\lsT hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
nq)F$@ E,
z@yTkH_ NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
$#q`Y+;L2 if(hFile==INVALID_HANDLE_VALUE)
#L~i|(=U5 {
&)Xc'RQ.C printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
X/yq<_ g __leave;
p&h?p\IF }
1~*1W4};F8 //写文件内容
Zge(UhZ while(dwSize>dwIndex)
H+4j.eVzZU {
P(hGkY=( X_]rtG if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
BH">#&j[ {
O2?C * printf("\nWrite file %s
|'q%9# failed:%d",RemoteFilePath,GetLastError());
>#w;67he2 __leave;
ZEAUoC1E1 }
JVYH b 60Z dwIndex+=dwWrite;
v1TFzcHl< }
Ho>Np& //关闭文件句柄
r- <O'^C CloseHandle(hFile);
dE7S[O bFile=TRUE;
Qc; kj //安装服务
x@t?7 o\& if(InstallService(dwArgc,lpszArgv))
z3Q&O$5\ {
.\n` 4A1z //等待服务结束
"f,{d}u if(WaitServiceStop())
iQ;p59wSzL {
KwuucY //printf("\nService was stoped!");
Upe}9xf }
]mTBD<3\ else
>2'"}np* {
'+`[)w //printf("\nService can't be stoped.Try to delete it.");
c+ oi8G }
TmsIyDcD~ Sleep(500);
`POzwYh //删除服务
q` q;og
` RemoveService();
`Mnu<)v }
rmiOeS`: }
=~B"8@B __finally
CMXF[X)% {
j]Jgz< //删除留下的文件
BAf$tyh if(bFile) DeleteFile(RemoteFilePath);
8]ZzO(=@{ //如果文件句柄没有关闭,关闭之~
.T|
}rB<c if(hFile!=NULL) CloseHandle(hFile);
0zaK&]oY0 //Close Service handle
=dmr,WE if(hSCService!=NULL) CloseServiceHandle(hSCService);
T5(S2^)o //Close the Service Control Manager handle
iwotEl0*{ if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
,`@pi@<"# //断开ipc连接
7?$?Yu wsprintf(tmp,"\\%s\ipc$",szTarget);
j/FLEsU!R WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
={qcDgn~C if(bKilled)
i[v4[C=WB! printf("\nProcess %s on %s have been
hF%M!otcJ- killed!\n",lpszArgv[4],lpszArgv[1]);
qt@L&v}~j else
JvpGxj printf("\nProcess %s on %s can't be
]~({;;3o- killed!\n",lpszArgv[4],lpszArgv[1]);
/Mqhx_)>A }
`(e :H return 0;
/yOx=V }
/wV|;D^ ) //////////////////////////////////////////////////////////////////////////
3Q=^&o