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。
bFH`wLW OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
]8'PLsS9<w <1>与远程系统建立IPC连接
`9T5Dem|# <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
/cvMp#<] <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
7 Z?
Hyv <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
)dJx82"
l <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
bUYjmb2g) <6>服务启动后,killsrv.exe运行,杀掉进程
5/CF_v <7>清场
+NiCt S 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
9}4~3_gv;M /***********************************************************************
6V#EEb Module:Killsrv.c
*{\))Zmhd Date:2001/4/27
Y zmMF Author:ey4s
NBLjBa%eL Http://www.ey4s.org cF?0=un ***********************************************************************/
9^nRwo
#include
1<*U:W
$g #include
~_g{P3 #include "function.c"
q[/pE7FL #define ServiceName "PSKILL"
f"zmN G' lXzm) SERVICE_STATUS_HANDLE ssh;
e,W,NnCICj SERVICE_STATUS ss;
O}}rosA /////////////////////////////////////////////////////////////////////////
2Vw2r@S/ void ServiceStopped(void)
$TK= :8HY {
8Kk41 = ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
#l7v|)9v ss.dwCurrentState=SERVICE_STOPPED;
cL~YQJYp ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
W,_2JqQp ss.dwWin32ExitCode=NO_ERROR;
@~UQU)-( ss.dwCheckPoint=0;
_-9cGm v ss.dwWaitHint=0;
-~X[j2 SetServiceStatus(ssh,&ss);
1i'y0]f return;
_aJKt3GQ }
:F@goiuC /////////////////////////////////////////////////////////////////////////
18Ju]U void ServicePaused(void)
jp^Sw| {
]0j_yX ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
1MT,A_L ss.dwCurrentState=SERVICE_PAUSED;
Zj1bG{G=i ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
AYpvGl' ss.dwWin32ExitCode=NO_ERROR;
%/5Wj_|p ss.dwCheckPoint=0;
Chx+p&! ss.dwWaitHint=0;
V
w58w`e SetServiceStatus(ssh,&ss);
#N'9
w . return;
\j3dB
tc }
4z9lk^#"X void ServiceRunning(void)
kRBO] {
`u PLyS. ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
VxARJ*4=Y ss.dwCurrentState=SERVICE_RUNNING;
FouN}X6 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
a(ITv roM/ ss.dwWin32ExitCode=NO_ERROR;
E-FR
w ss.dwCheckPoint=0;
CH;U_b ss.dwWaitHint=0;
7mMMVz2 SetServiceStatus(ssh,&ss);
>xq.bG return;
qMA-# }
o0|Ex\ /////////////////////////////////////////////////////////////////////////
I~@8SSO,vH void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
PLMC<4$s {
,]W|"NUI switch(Opcode)
!2Z"Lm {
jX(hBnGW case SERVICE_CONTROL_STOP://停止Service
Q~VM.G ServiceStopped();
wJCw6&D,/ break;
z ynu0X case SERVICE_CONTROL_INTERROGATE:
vv{+p(~**O SetServiceStatus(ssh,&ss);
X0$q! break;
:zLf~W }
5g/,VMe return;
^2+Vt=* }
LdN[N^n[H //////////////////////////////////////////////////////////////////////////////
El;"7Qn //杀进程成功设置服务状态为SERVICE_STOPPED
%A=/(%T> //失败设置服务状态为SERVICE_PAUSED
l&'q+F //
/lu|FWbEw void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
wK#*| {
[H>u'fy:C ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
RLB"}&SF] if(!ssh)
!*NDsC9 {
`Hlf.>b1 ServicePaused();
hpb|| V return;
3IlVSR^py }
KvPCb%!ZP ServiceRunning();
V<jj'dZfW Sleep(100);
Zd>sdS`#r //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
kwc
Cf2 //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
jqc}mI\# if(KillPS(atoi(lpszArgv[5])))
~ILv*v@m ServiceStopped();
j2UQQFh else
*qy \%A ServicePaused();
MyllL@kP return;
;M4[Liw~O }
dB0#EJaE /////////////////////////////////////////////////////////////////////////////
n+ebi>}P void main(DWORD dwArgc,LPTSTR *lpszArgv)
_G/R;N71 {
t~/:St SERVICE_TABLE_ENTRY ste[2];
qpYgTn8l7 ste[0].lpServiceName=ServiceName;
}3X/"2SW^ ste[0].lpServiceProc=ServiceMain;
A%Ka)UU+n ste[1].lpServiceName=NULL;
;'8P/a$ ste[1].lpServiceProc=NULL;
uH%b rbrU StartServiceCtrlDispatcher(ste);
BoYY^ih return;
0't)-Pj+, }
`y.4FA4"8 /////////////////////////////////////////////////////////////////////////////
s.i9&1Y-! 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
#xGP|:m 下:
W6NhJ#M7 /***********************************************************************
%"A8Af**I Module:function.c
)__sw Date:2001/4/28
bXF8V Author:ey4s
>B**fZ~L Http://www.ey4s.org Q:megU'u ***********************************************************************/
~&D
=;M/ #include
92<+ug = ////////////////////////////////////////////////////////////////////////////
0j!3\=P$ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
|nx3x {
*eIX"&ba TOKEN_PRIVILEGES tp;
KJec/qca LUID luid;
bTimJp[b $`3yImv+w if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
p7Wt(A {
t;w<n" printf("\nLookupPrivilegeValue error:%d", GetLastError() );
#RR;?`,L} return FALSE;
0q"4\#4l }
q<q IT tp.PrivilegeCount = 1;
SED52$zA tp.Privileges[0].Luid = luid;
&@oI/i&0B if (bEnablePrivilege)
gPk,nB tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
k37?NoT else
;O`f+rG~ tp.Privileges[0].Attributes = 0;
f)T\ // Enable the privilege or disable all privileges.
>o1dc* AdjustTokenPrivileges(
@`L;_S+ hToken,
:VlA2Ih&q FALSE,
q"2APvsvp &tp,
-z`FKej sizeof(TOKEN_PRIVILEGES),
jSE)&K4nI (PTOKEN_PRIVILEGES) NULL,
. J O3# (PDWORD) NULL);
gdf0 // Call GetLastError to determine whether the function succeeded.
EO)JMV?6 if (GetLastError() != ERROR_SUCCESS)
(1D1;J4g {
t/Io.d printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
MygAmV& return FALSE;
D8L5t<^1R }
D2&d",%&f return TRUE;
Y
bJg{Sb }
CjpGo}a/ ////////////////////////////////////////////////////////////////////////////
Wf3BmkZzz BOOL KillPS(DWORD id)
GbQi3% {
!lNyoX/ HANDLE hProcess=NULL,hProcessToken=NULL;
;
oa+Z:;f BOOL IsKilled=FALSE,bRet=FALSE;
h^=;\ng1l __try
Ak@!F6~ {
g}<jn'@{ C`;igg$t_ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
2(DhKHrF {
BN79\rt
printf("\nOpen Current Process Token failed:%d",GetLastError());
)^o.H~Pv __leave;
?m *e$!M0 }
YgcW1}
//printf("\nOpen Current Process Token ok!");
eWAD;x?. if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
B=d<L^ {
I+kAy;2 __leave;
6o#/[Tz }
{OPEW`F printf("\nSetPrivilege ok!");
Qa=Y?=Za PSq?8. if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
/";tkad^ {
p}!i_P printf("\nOpen Process %d failed:%d",id,GetLastError());
e1W9"&4>G{ __leave;
y`n?f|nf }
o:QL%J{[ //printf("\nOpen Process %d ok!",id);
n%F _3` if(!TerminateProcess(hProcess,1))
,K,st+s| {
s>6h]H printf("\nTerminateProcess failed:%d",GetLastError());
jXA/G%:[ __leave;
uluAqDz` }
I^k&v V IsKilled=TRUE;
fVn4=d6X }
06Wqfzceb __finally
FM6{%}4 {
)&O2l if(hProcessToken!=NULL) CloseHandle(hProcessToken);
aDRcVA$* if(hProcess!=NULL) CloseHandle(hProcess);
x[{\Aw>$. }
:
b`N(] return(IsKilled);
&q<k0_5Q }
GL O3v.
n; //////////////////////////////////////////////////////////////////////////////////////////////
-b^dK)wR~ 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:
>}
2C,8N /*********************************************************************************************
e}?Q&Lci ModulesKill.c
bfA>kn0C Create:2001/4/28
Qg/FFn^Kg* Modify:2001/6/23
j<kW+Iio Author:ey4s
p48enH8CO Http://www.ey4s.org -O$vJ,* PsKill ==>Local and Remote process killer for windows 2k
H};1>G4 **************************************************************************/
f9K7^qwkiz #include "ps.h"
tNFw1& #define EXE "killsrv.exe"
6Pl|FIJF #define ServiceName "PSKILL"
VVSt,/SO flPS+ #pragma comment(lib,"mpr.lib")
hYzP6?K" //////////////////////////////////////////////////////////////////////////
>Gpq{Ph[ //定义全局变量
x$-kw{N SERVICE_STATUS ssStatus;
-/?)0E SC_HANDLE hSCManager=NULL,hSCService=NULL;
iz-z?)% BOOL bKilled=FALSE;
q~9-A+n char szTarget[52]=;
kV1L.Xg //////////////////////////////////////////////////////////////////////////
[voZ=+/ BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
~Fh+y+g? BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
b_ TI_ BOOL WaitServiceStop();//等待服务停止函数
F62 uDyY BOOL RemoveService();//删除服务函数
Ni>Ns=n /////////////////////////////////////////////////////////////////////////
60%nQhb int main(DWORD dwArgc,LPTSTR *lpszArgv)
n8Qv8 {
$3"hOEN@5` BOOL bRet=FALSE,bFile=FALSE;
%}TJr]'F char tmp[52]=,RemoteFilePath[128]=,
"B:FSWM_- szUser[52]=,szPass[52]=;
[Ep'm HANDLE hFile=NULL;
rEWJ3*Hb DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
=i vlS B<EqzP*# //杀本地进程
*xxk70Cb if(dwArgc==2)
-*mbalU,J {
129\H<
m if(KillPS(atoi(lpszArgv[1])))
.Qrpz^wdt printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
}=EJM7sM|k else
`\VtTS printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
q!Ek
EW\n lpszArgv[1],GetLastError());
\
86g y/ return 0;
OD~Q|I(j }
=,zB|sjn //用户输入错误
PMTrG78p* else if(dwArgc!=5)
Kfb(wW {
[j/|)cj printf("\nPSKILL ==>Local and Remote Process Killer"
mQ`atFz:Z "\nPower by ey4s"
wY ItG"+6 "\nhttp://www.ey4s.org 2001/6/23"
T9$~tv,5F "\n\nUsage:%s <==Killed Local Process"
R*bx&..< "\n %s <==Killed Remote Process\n",
vNjc lpszArgv[0],lpszArgv[0]);
[z!m return 1;
W<)nC_$ }
2z
!05]B% //杀远程机器进程
O=bkq} strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
2g O@ strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
GkU_01C strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
!$l<'K$ Brxnl,%\ //将在目标机器上创建的exe文件的路径
3T.V*& sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
4)e1K/PJ) __try
PsUO8g'\ {
82,^Pu //与目标建立IPC连接
1,=:an if(!ConnIPC(szTarget,szUser,szPass))
)zO|m7 {
3?j:M]fR printf("\nConnect to %s failed:%d",szTarget,GetLastError());
a%c <3' return 1;
m^XO77" }
yn!;Z._ printf("\nConnect to %s success!",szTarget);
s~Ivq+ipr; //在目标机器上创建exe文件
XFoSGqD J\+fkN<. hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
+PE-j| D E,
:2xGfy?? NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
=b*GV6b if(hFile==INVALID_HANDLE_VALUE)
Mw,]Pt6~i {
@,oc%m printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
fUf1G{4 __leave;
F_:Wu,dUZ }
pmBN?< //写文件内容
h{7>> while(dwSize>dwIndex)
[nHN@p| {
Mhn1-ma: l4T[x|')M if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
CRCy)AS,t {
rNhS\1- printf("\nWrite file %s
1 .@{5f3T failed:%d",RemoteFilePath,GetLastError());
'V%w{ZiiV __leave;
>x%HqP#_V }
'eBD/w5U dwIndex+=dwWrite;
bK }ZR*) }
T\Xf0|y //关闭文件句柄
~6t<`&f CloseHandle(hFile);
Qa/1*Mb bFile=TRUE;
<LH6my //安装服务
r{?qvl!q if(InstallService(dwArgc,lpszArgv))
:4[>]&:u3 {
[L-wAk:Fb //等待服务结束
*VXx\& if(WaitServiceStop())
00IW9B- {
0=
bXL!] //printf("\nService was stoped!");
Q1*_l }
-}4CY\d6' else
fk15O_#3 {
+ R6X //printf("\nService can't be stoped.Try to delete it.");
tkm@&e=e% }
aC' 6 Sleep(500);
?IQDk|<