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。
Fz@9
@ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
A $W~R <1>与远程系统建立IPC连接
zEs:OOM <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
fnJt8Y4 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
gH|:=vfYUR <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
YaAOP'p <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
)EIT>u= <6>服务启动后,killsrv.exe运行,杀掉进程
%<^j=K= 0 <7>清场
A\)~y{9bQ 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
BKd?%V8:Q /***********************************************************************
j4}Q Module:Killsrv.c
V5bB$tL}3 Date:2001/4/27
LHd9q^D Author:ey4s
*w[0uQL5Z Http://www.ey4s.org NbUbLzE ***********************************************************************/
Eanwk` Rx #include
"{M?,jP# #include
v]hu5t #include "function.c"
hf< [$B #define ServiceName "PSKILL"
@5*$yi 'Cp dc,qQM SERVICE_STATUS_HANDLE ssh;
-s9()K(vZG SERVICE_STATUS ss;
#,Cz+k*4 /////////////////////////////////////////////////////////////////////////
sTw+.m{F void ServiceStopped(void)
^_\%?K_u {
:HkXsZ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
"*ww>0[ ss.dwCurrentState=SERVICE_STOPPED;
Y@2yV(m)o ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
,d$D0w ss.dwWin32ExitCode=NO_ERROR;
#.@- ng6C ss.dwCheckPoint=0;
o8u;2gZx ss.dwWaitHint=0;
M&` b\la SetServiceStatus(ssh,&ss);
aBWA hn return;
g,s^qW0vds }
<j:@ iP /////////////////////////////////////////////////////////////////////////
40HhMTZ0- void ServicePaused(void)
sI6coe5n {
#N;McF;W ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
R 0YWe ss.dwCurrentState=SERVICE_PAUSED;
K#xL- ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
2$FH+wuW ss.dwWin32ExitCode=NO_ERROR;
t"jiLOQ[6 ss.dwCheckPoint=0;
D4$2'h ss.dwWaitHint=0;
/o9
0O& SetServiceStatus(ssh,&ss);
l;}3J3/qq] return;
W}@IUCRs }
q@vqhE4 void ServiceRunning(void)
jR>`Xz {
Y]bS=*q ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
>Ft)v ss.dwCurrentState=SERVICE_RUNNING;
QM@zy ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
2BV]@]qB ss.dwWin32ExitCode=NO_ERROR;
ry0YS\W ss.dwCheckPoint=0;
x.Tulo0/ ss.dwWaitHint=0;
y'(a:.%I SetServiceStatus(ssh,&ss);
VE?Aa return;
$0|`h)& }
)Bu#ln" /////////////////////////////////////////////////////////////////////////
ji.T7wn1u void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
5:(/k\9+yv {
"<&) G{ switch(Opcode)
DcN!u6sJ {
~]SCf@pRk case SERVICE_CONTROL_STOP://停止Service
63/a 0Yn ServiceStopped();
@W-0ybv break;
C%H?vrR case SERVICE_CONTROL_INTERROGATE:
afE)yu` SetServiceStatus(ssh,&ss);
]Hg6Mz>Mj break;
t8M\ }
UT0}Ce>e return;
GI6]Ecc }
B[9y<FB+ //////////////////////////////////////////////////////////////////////////////
5&qBG@Hw] //杀进程成功设置服务状态为SERVICE_STOPPED
V&7NN= //失败设置服务状态为SERVICE_PAUSED
Q hdG(`PY~ //
DhXV=Qw void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
ojc.ykP$ {
YP>J'{?b*" ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
ZmmX_!M if(!ssh)
zxkO&DGRbN {
~I;|ipK4m ServicePaused();
|G_, 1$ return;
l2ie\4dK@ }
k~)@D| ? ServiceRunning();
*Sps^Wl Sleep(100);
h
s_x
@6 //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
zI4d|P //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
9 !$&1|,* if(KillPS(atoi(lpszArgv[5])))
Up0kTL ServiceStopped();
[}yPy))A else
}46Zfg\T6n ServicePaused();
oX7_v_:J\R return;
oRZe?h^r# }
6j95>} @ /////////////////////////////////////////////////////////////////////////////
'}IGV`c void main(DWORD dwArgc,LPTSTR *lpszArgv)
6-FM<@H{ {
RK=Pm7L:`y SERVICE_TABLE_ENTRY ste[2];
Iw?*y.z| ste[0].lpServiceName=ServiceName;
Q]e]\J ste[0].lpServiceProc=ServiceMain;
@km4qJZ ste[1].lpServiceName=NULL;
e$/y~! ste[1].lpServiceProc=NULL;
kU,g=+2J StartServiceCtrlDispatcher(ste);
mZO-^ct4 return;
F)4I70vG }
L7R!, /////////////////////////////////////////////////////////////////////////////
'KDt%?24 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
3aU5rbi|B 下:
t~<HFY*w /***********************************************************************
) ]DqK<- Module:function.c
0s79rJ Date:2001/4/28
d0R;|p''Z Author:ey4s
bM.$D-?dF* Http://www.ey4s.org Rh#`AM`)j ***********************************************************************/
S|af?IW #include
;hF}"shJN ////////////////////////////////////////////////////////////////////////////
z[6avW"q BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
,4Q8r:_ u {
2|ej~}Y TOKEN_PRIVILEGES tp;
q" EW*k+
) LUID luid;
e N v\ZR1 xojt s;n
if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
Mdq|:^px {
Z_fwvcZ?05 printf("\nLookupPrivilegeValue error:%d", GetLastError() );
|=07n K2 return FALSE;
w 62m}5eA }
[XttT tp.PrivilegeCount = 1;
(H"{r tp.Privileges[0].Luid = luid;
q*94vo- if (bEnablePrivilege)
$41<ldJ tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
"?<(-,T else
/GX>L) tp.Privileges[0].Attributes = 0;
^4NRmlb // Enable the privilege or disable all privileges.
.)=*Yr M AdjustTokenPrivileges(
9yaTDxB> hToken,
]_|'N7J FALSE,
EIfqRRTA &tp,
]#W7-Q;] sizeof(TOKEN_PRIVILEGES),
/q}(KJX (PTOKEN_PRIVILEGES) NULL,
/nsBUM[; (PDWORD) NULL);
{ ^^5FE)% // Call GetLastError to determine whether the function succeeded.
OQ4Pk/-' if (GetLastError() != ERROR_SUCCESS)
q%QvBN {
||fw!8E printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
Hpa6;eT return FALSE;
w,up`W7, }
K\xnQeS<W return TRUE;
QT
zN }
`JY+3d,Ui ////////////////////////////////////////////////////////////////////////////
E)`0(Z:E BOOL KillPS(DWORD id)
/KNR;n' {
*rbgDaQ HANDLE hProcess=NULL,hProcessToken=NULL;
j Neb*dPoK BOOL IsKilled=FALSE,bRet=FALSE;
?3a=u< __try
V)`A,7X {
P{9wJ< ,|A6l?iV if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
?@Q0;LG {
<T;V9(66 printf("\nOpen Current Process Token failed:%d",GetLastError());
*C0a,G4 __leave;
8EMBqhl }
cvo+{u$s //printf("\nOpen Current Process Token ok!");
K F_Uu if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
x;`Gn_ {
)+|wrK:*v __leave;
M$.bC0}T }
S>r}3,]S printf("\nSetPrivilege ok!");
YtKT3u:x pUS: HJk| if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
4`mf^Kf {
Ph%ylS/T{ printf("\nOpen Process %d failed:%d",id,GetLastError());
{[`(o
0@( __leave;
(+;D~iN` k }
!.^x^OK%y //printf("\nOpen Process %d ok!",id);
\y%"tJ~N{ if(!TerminateProcess(hProcess,1))
he/rt# {
G[]%1
_QCO printf("\nTerminateProcess failed:%d",GetLastError());
r]&sXKDc __leave;
@*~yVV!5 }
A,t g268 IsKilled=TRUE;
J[r_ag }
l)o!&]2 __finally
1LSJy*yY {
xb%Q[V_m if(hProcessToken!=NULL) CloseHandle(hProcessToken);
7w" !"W# if(hProcess!=NULL) CloseHandle(hProcess);
vea{o35! }
lR7;{zlSf' return(IsKilled);
!/tV}.* }
}No #_{ //////////////////////////////////////////////////////////////////////////////////////////////
y9]7LETv\M 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:
n0gjcDHQ /*********************************************************************************************
-?:8sv*X ModulesKill.c
1Az&BZU[ Create:2001/4/28
qTRP2rH,L& Modify:2001/6/23
h.]^ o*DJ Author:ey4s
SmD#hE[ Http://www.ey4s.org \)wVO*9*0 PsKill ==>Local and Remote process killer for windows 2k
v;5-1 **************************************************************************/
Q]GS#n #include "ps.h"
ks("(
nU #define EXE "killsrv.exe"
wJJ|]^0. #define ServiceName "PSKILL"
p>\[[Md p/Q< VV #pragma comment(lib,"mpr.lib")
V"(5U(v{~ //////////////////////////////////////////////////////////////////////////
,r~^<m //定义全局变量
~Q
Q1ZP3 SERVICE_STATUS ssStatus;
~PQR_?1 SC_HANDLE hSCManager=NULL,hSCService=NULL;
h lc!}{$%8 BOOL bKilled=FALSE;
c^'bf_~-W char szTarget[52]=;
"~EAt$ //////////////////////////////////////////////////////////////////////////
9S17Lr*c BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
x9\{a BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
Z:,\FB_U BOOL WaitServiceStop();//等待服务停止函数
\Gk}Fer BOOL RemoveService();//删除服务函数
lH`c&LL-=! /////////////////////////////////////////////////////////////////////////
>T*BEikC int main(DWORD dwArgc,LPTSTR *lpszArgv)
ROfV Y:,M {
.#Z'CZO| BOOL bRet=FALSE,bFile=FALSE;
fKFD>u0% char tmp[52]=,RemoteFilePath[128]=,
17c`c.yP szUser[52]=,szPass[52]=;
ujE~#b}X HANDLE hFile=NULL;
sx;/xIU| DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
UtJfO`m9P k~:(.)Nr //杀本地进程
~N;
dX[@BT if(dwArgc==2)
/6[vF)& {
]AM*9! if(KillPS(atoi(lpszArgv[1])))
ws,?ImA printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
i( +Uv tgs else
5uSg]2: printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
Gs|a$^V|o lpszArgv[1],GetLastError());
%
q!i return 0;
]e5aHpgR= }
~H?v L c;> //用户输入错误
#P z'-lo else if(dwArgc!=5)
CE {
muF&t'k printf("\nPSKILL ==>Local and Remote Process Killer"
ow
6\j:$? "\nPower by ey4s"
-L2 +4 "\nhttp://www.ey4s.org 2001/6/23"
(QqeMG,Y "\n\nUsage:%s <==Killed Local Process"
J0e^v "\n %s <==Killed Remote Process\n",
:N^B54o%6 lpszArgv[0],lpszArgv[0]);
-{JReplc return 1;
K iXD1Zpz }
_C1u}1hW# //杀远程机器进程
]Hi1^Y< strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
Q2]7|C strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
"30=!k strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
[:e>FXV y6sY?uu //将在目标机器上创建的exe文件的路径
Yz0HBEA sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
-:L7iOzgD __try
PIFZ '6gn {
R6>*n!*D@ //与目标建立IPC连接
&1=,?s]& if(!ConnIPC(szTarget,szUser,szPass))
Fd80T6[ {
`LIlR8&@aX printf("\nConnect to %s failed:%d",szTarget,GetLastError());
WTt
/y\'6 return 1;
K^GvU 0\ }
iH]0
YT.E printf("\nConnect to %s success!",szTarget);
+JD^5J,-NJ //在目标机器上创建exe文件
>2}*L"YC _f "I%QTL hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
I 6<LKI/ E,
R*W1<W%q= NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
wV$V X if(hFile==INVALID_HANDLE_VALUE)
P&5vVA6K7 {
#q0xlF@ printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
#\Q)7pgi. __leave;
W0U|XX!& }
F/A)2 H_ //写文件内容
CnY dj~ while(dwSize>dwIndex)
4U)%JK.ta {
$1)NYsSH/H Sqmjf@o$> if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
Y%]g,mG {
6~s{HI! printf("\nWrite file %s
c(?O E'
"Z failed:%d",RemoteFilePath,GetLastError());
MfLus40;n __leave;
rSW{1o' }
C;70,!3 dwIndex+=dwWrite;
sZqi)lo-s }
+&_n[; //关闭文件句柄
_J"J[$ CloseHandle(hFile);
biffBC:q bFile=TRUE;
ahM?;p //安装服务
Z,XivU& if(InstallService(dwArgc,lpszArgv))
I]m&h! {
5=8_Le //等待服务结束
_A]~`/0;` if(WaitServiceStop())
u |$GOSD {
;4oKF7]
//printf("\nService was stoped!");
nu|odP }
MI8c>5? else
;%u)~3B$JK {
4=* ml}RP //printf("\nService can't be stoped.Try to delete it.");
<sGioMr }
F20%r 0 Sleep(500);
1&kf