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。
iSZctsqE OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
OUIUgej <1>与远程系统建立IPC连接
m! '1$G <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
{LB
}v;?l <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
k+7M|t.?4 <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
R$T[%AGZ. <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
&k_wqV <6>服务启动后,killsrv.exe运行,杀掉进程
PcNfTB{ <7>清场
[d^: 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
[U3D`V$xD /***********************************************************************
@sgT[P*ut Module:Killsrv.c
#2lvfR| Date:2001/4/27
fbzKO^Ub Author:ey4s
UpszCY4 Http://www.ey4s.org R+kZLOE ***********************************************************************/
)D"G3g. #include
NrI5uC7 #include
xM'S
;Sg #include "function.c"
N?2#YTjR #define ServiceName "PSKILL"
evg 7d 4U! .UNi SERVICE_STATUS_HANDLE ssh;
"z#?OV5 SERVICE_STATUS ss;
cyHak u+ /////////////////////////////////////////////////////////////////////////
WFeMr%Zqh> void ServiceStopped(void)
${I@YSU {
RaM#@D7 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
3w<j:\i ss.dwCurrentState=SERVICE_STOPPED;
,SJK ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
/n(bThDH ss.dwWin32ExitCode=NO_ERROR;
i_E#cU ss.dwCheckPoint=0;
_r?;lnWx@ ss.dwWaitHint=0;
O)RzNfI^`N SetServiceStatus(ssh,&ss);
JV?RgFy return;
@aiLGwh }
rs 1*H /////////////////////////////////////////////////////////////////////////
[K)1!KK,L void ServicePaused(void)
R26tQbwE {
"$V 8y ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
&x0TnW"g ss.dwCurrentState=SERVICE_PAUSED;
?CT^Zegmr ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
n6!Ihip$ ss.dwWin32ExitCode=NO_ERROR;
ssr)f8R#,# ss.dwCheckPoint=0;
CI~;B ss.dwWaitHint=0;
SJ~I
r# SetServiceStatus(ssh,&ss);
=@Nv:1:r return;
b~haP.Cl: }
/c$Ht void ServiceRunning(void)
EYx2IJ {
q5\LdI2 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
:oj)
eS[Y ss.dwCurrentState=SERVICE_RUNNING;
L(1,W<kYg ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
kX ,FQG> ss.dwWin32ExitCode=NO_ERROR;
CN$A-sjZ ss.dwCheckPoint=0;
gh #w%g1g ss.dwWaitHint=0;
y~A7pzBZ= SetServiceStatus(ssh,&ss);
l-^XW?CfL return;
H;t8(-F@' }
't]EkH]BC /////////////////////////////////////////////////////////////////////////
d a?th void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
o4[2`mT {
:{xN33@6\X switch(Opcode)
M(h H#_$ {
;\*Od?1 case SERVICE_CONTROL_STOP://停止Service
,@>rubUz ServiceStopped();
f`9rTc break;
-SY:qG3? case SERVICE_CONTROL_INTERROGATE:
|nH0~P#! SetServiceStatus(ssh,&ss);
rIFC#Jd/ break;
j3[OY }
@`y?\fWh return;
gJGBD9wC }
nog\,NT //////////////////////////////////////////////////////////////////////////////
i{FC1tVeL_ //杀进程成功设置服务状态为SERVICE_STOPPED
9hs{uxwuEE //失败设置服务状态为SERVICE_PAUSED
zs&`: //
hv:Z%D |S void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
ep}/dBg {
FTYLMQ
i ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
4TQISu) if(!ssh)
4tTZkJc {
q' V{vFfY% ServicePaused();
ot+~|Dl return;
[rQ(ae }
o&F.mYnqX ServiceRunning();
O+o%C*`K Sleep(100);
"g:&Ge*X //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
<K[Zl/7I //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
9MzkG87J if(KillPS(atoi(lpszArgv[5])))
POg0=32 ServiceStopped();
JdYF&~ else
PKM$*_LcGI ServicePaused();
pnA]@FW return;
WmVw>.]@~ }
MqBATW.pmJ /////////////////////////////////////////////////////////////////////////////
0^lL,rC
void main(DWORD dwArgc,LPTSTR *lpszArgv)
:*Ggz| {
h7]]F{r5 SERVICE_TABLE_ENTRY ste[2];
@1ta`7# ste[0].lpServiceName=ServiceName;
.9fluAG ste[0].lpServiceProc=ServiceMain;
4e#K.HU_ ste[1].lpServiceName=NULL;
}NBJ T4R ste[1].lpServiceProc=NULL;
IK? $!jh StartServiceCtrlDispatcher(ste);
UlN|Oy, return;
Sd{"A0[A| }
@"0N @gU /////////////////////////////////////////////////////////////////////////////
K<w5[E9V. function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
>hL'#;:f# 下:
VaIP /***********************************************************************
` dUiz5o' Module:function.c
z57papo Date:2001/4/28
v8k^=A: Author:ey4s
*4^]?Y\* Http://www.ey4s.org [<fLPa ***********************************************************************/
0o=)&%G #include
Z%9^6kdY ////////////////////////////////////////////////////////////////////////////
dVt@D& BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
=XBXSW8)DJ {
x-#9i TOKEN_PRIVILEGES tp;
Mh.eAM8 _ LUID luid;
#DRtMrfat 2P=~3g* if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
; F(01 {
P"~T*Qq-R printf("\nLookupPrivilegeValue error:%d", GetLastError() );
g)D}p@>m return FALSE;
_r5Ild@n }
(@o
/>T tp.PrivilegeCount = 1;
}qdJ8K tp.Privileges[0].Luid = luid;
LXF%~^^@d if (bEnablePrivilege)
j6HbJ#] tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
2y7q
x1$C else
446hr zW>@ tp.Privileges[0].Attributes = 0;
V1>94/waa // Enable the privilege or disable all privileges.
*Z2Q]?:{
i AdjustTokenPrivileges(
nkj'AH"2 hToken,
842+KLS FALSE,
2b,TkG8K &tp,
:RO:k|g sizeof(TOKEN_PRIVILEGES),
?E_p ,#9j) (PTOKEN_PRIVILEGES) NULL,
RTY4%6]O (PDWORD) NULL);
7%!KAtc // Call GetLastError to determine whether the function succeeded.
hPpXB:(-0 if (GetLastError() != ERROR_SUCCESS)
L"IHyUW {
0fK|}mmZA printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
I^Jp
)k*z return FALSE;
GXK?7S0H }
&&S4x return TRUE;
eRy'N|' }
GWZXRUc ////////////////////////////////////////////////////////////////////////////
t8N9/DZ}Q BOOL KillPS(DWORD id)
1p<?S}zg@ {
:tG".z HANDLE hProcess=NULL,hProcessToken=NULL;
K y2xWd8 BOOL IsKilled=FALSE,bRet=FALSE;
gq1Y]t|4F __try
1WN93SQ= {
L Hz<=]?@ W}_}<rlF if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
HU+H0S~g {
_rJSkZO printf("\nOpen Current Process Token failed:%d",GetLastError());
Z_~DTO2Qg __leave;
0i`Zy! }
+5mkMZ //printf("\nOpen Current Process Token ok!");
CscJy0dB if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
qm5pEort {
j77}{5@p __leave;
#R~NR8(z }
k$_]b0D{4 printf("\nSetPrivilege ok!");
Z|dZc wo WA5kX SdIb if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
es FL<T {
[eP]8G\
W printf("\nOpen Process %d failed:%d",id,GetLastError());
#7T ={mh __leave;
J5IJy3d }
eSBf;lr= //printf("\nOpen Process %d ok!",id);
1AV1W_" if(!TerminateProcess(hProcess,1))
^v5hr>m {
r8>?-P printf("\nTerminateProcess failed:%d",GetLastError());
'="){ __leave;
@}!$NI8 }
w>Sz^_ h IsKilled=TRUE;
(
+hI }
8N_rJ)f __finally
!`=?<Fl {
"a{f?
.X. if(hProcessToken!=NULL) CloseHandle(hProcessToken);
$*-L8An? if(hProcess!=NULL) CloseHandle(hProcess);
:P"Gym }
rO%+)M$A return(IsKilled);
G_mu7w }
}PL //////////////////////////////////////////////////////////////////////////////////////////////
Tic9ri 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:
6&0a?Xu /*********************************************************************************************
{[~,q\M[ ModulesKill.c
I|;#VejX Create:2001/4/28
94@!.11 Modify:2001/6/23
yuX0Y{:I Author:ey4s
DP]|}8~L Http://www.ey4s.org n7uD(cL PsKill ==>Local and Remote process killer for windows 2k
g(H3arb& **************************************************************************/
vJUB; hD #include "ps.h"
[KJL%u|8/ #define EXE "killsrv.exe"
:C6rN}_k #define ServiceName "PSKILL"
Z5-'|h$| t O>qd#I #pragma comment(lib,"mpr.lib")
Lpf=VyqC //////////////////////////////////////////////////////////////////////////
Nq6CvDXi //定义全局变量
7~f6j:{|z SERVICE_STATUS ssStatus;
/U]5#'i SC_HANDLE hSCManager=NULL,hSCService=NULL;
<);u]0 BOOL bKilled=FALSE;
BIyG[y?qO char szTarget[52]=;
o2jB~}VMl //////////////////////////////////////////////////////////////////////////
'=* 5C{ BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
Ft!~w#&- BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
K_3ZJ BOOL WaitServiceStop();//等待服务停止函数
4]KceE BOOL RemoveService();//删除服务函数
H4Ek,m|c /////////////////////////////////////////////////////////////////////////
u;g}N'" int main(DWORD dwArgc,LPTSTR *lpszArgv)
vy?YA- {
e5KF ~0` BOOL bRet=FALSE,bFile=FALSE;
#
t
Ki6u char tmp[52]=,RemoteFilePath[128]=,
,_zt?o\ szUser[52]=,szPass[52]=;
Mv=;+?z! HANDLE hFile=NULL;
\RO Sd DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
sTyGi1 mIodD)?{ //杀本地进程
~vFo 0k( if(dwArgc==2)
a$8?0`( {
b] V=wZ
o if(KillPS(atoi(lpszArgv[1])))
_*I6O$/> printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
1Tr=*b %f else
RUu'9#fq printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
\_bX2Lg lpszArgv[1],GetLastError());
Njje g9 f return 0;
S:QEHd_C }
?K 0V#aq //用户输入错误
Y,~]ecI else if(dwArgc!=5)
<~w#sIh {
Xii#Qtd. printf("\nPSKILL ==>Local and Remote Process Killer"
S5TT "\nPower by ey4s"
B.#0kjA} "\nhttp://www.ey4s.org 2001/6/23"
Z5A<TC/: "\n\nUsage:%s <==Killed Local Process"
w2[R&hJ "\n %s <==Killed Remote Process\n",
.`XA6e(8KR lpszArgv[0],lpszArgv[0]);
$@;[K\ return 1;
Q pq0j^\ }
{*9i}w|2 //杀远程机器进程
?]N&H90^5 strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
Q-5wI$= strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
bmpB$@ strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
e:
tp7w 4 Q2JjBV< //将在目标机器上创建的exe文件的路径
a mgex$ sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
U+
=q_ < __try
rfoCYsX' {
o9>X"5CmX //与目标建立IPC连接
7F\g3^z9` if(!ConnIPC(szTarget,szUser,szPass))
oR)7 \;g {
xd<68%Cn printf("\nConnect to %s failed:%d",szTarget,GetLastError());
zu%pr95U return 1;
ta(x4fP_ }
gEu\X|7' printf("\nConnect to %s success!",szTarget);
\O~7X0 <W //在目标机器上创建exe文件
_P:P5H8 *p^MAk9= hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
|t_2AV E,
{r)M@@[ NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
jtwO\6 t& if(hFile==INVALID_HANDLE_VALUE)
',pPs= {
Q23y.^W%c printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
Nfh(2gK+ __leave;
9h8G2J
o }
jBbc$|O4SY //写文件内容
\
PqV| while(dwSize>dwIndex)
B?'ti{p
A9 {
w5Xdq_e3 <T]kpP<lC if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
@gOgs {
VK#zmEiB printf("\nWrite file %s
qxx.f58H failed:%d",RemoteFilePath,GetLastError());
}f}&|Vap __leave;
RP9||PFS~~ }
|IvX7%*]~ dwIndex+=dwWrite;
F/Xhm91^ }
&Is%I<'o //关闭文件句柄
vI@8DWs CloseHandle(hFile);
we9AB_y bFile=TRUE;
JiR|+6"7
//安装服务
l?;S>s*\? if(InstallService(dwArgc,lpszArgv))
5Fl|=G+3@g {
C#R9Hlb //等待服务结束
hCgNS1%4 if(WaitServiceStop())
\+\h<D-5 {
K0]Wb=v //printf("\nService was stoped!");
B|&< }
pif gt else
Fh'Jb*|Q {
mqL+W //printf("\nService can't be stoped.Try to delete it.");
<#-ERQw }
)j]RFt Sleep(500);
g2I @j3 //删除服务
:>k\uW RemoveService();
ilP&ctn6+c }
,J~dER\% }
.\ZxwD| __finally
:lAR;[WFS {
)r~Oj3TH //删除留下的文件
OsXQWSkj~ if(bFile) DeleteFile(RemoteFilePath);
>/*\xg&J //如果文件句柄没有关闭,关闭之~
<#UvLll if(hFile!=NULL) CloseHandle(hFile);
`t
-3(>P //Close Service handle
7o<RvM if(hSCService!=NULL) CloseServiceHandle(hSCService);
;/.Z YTD //Close the Service Control Manager handle
~U|te _l if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
_!CH //断开ipc连接
RjT[y: ! wsprintf(tmp,"\\%s\ipc$",szTarget);
jv ";?*I6. WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
`xSXGI if(bKilled)
0/Csc\Xl printf("\nProcess %s on %s have been
-vyC,A killed!\n",lpszArgv[4],lpszArgv[1]);
I
zT%Kq else
=ZQIpc printf("\nProcess %s on %s can't be
e#wn;wo? killed!\n",lpszArgv[4],lpszArgv[1]);
]:;gk&P }
.1@5*xQ5O return 0;
<+a\'X c }
e/6oC~#] //////////////////////////////////////////////////////////////////////////
3-05y!vbcE BOOL ConnIPC(char *RemoteName,char *User,char *Pass)
+vP1DXtj( {
w%ForDB>P NETRESOURCE nr;
D+V^nCcx% char RN[50]="\\";
O
tr@jgw ]q j%6tz strcat(RN,RemoteName);
L2$%h1 strcat(RN,"\ipc$");
E=y#~W M@8(h= nr.dwType=RESOURCETYPE_ANY;
}Y[.h=X nr.lpLocalName=NULL;
tua+R_" nr.lpRemoteName=RN;
zri <'W nr.lpProvider=NULL;
&Wba2fD mXr)lA if(WNetAddConnection2(&nr,Pass,User,FALSE)==NO_ERROR)
&z