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。
ij r*_= OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
qzE/n <1>与远程系统建立IPC连接
4I"QT(; <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
^*A/92!yF <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
174H@ <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
fB1JU1 <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
miuJ!Kr' <6>服务启动后,killsrv.exe运行,杀掉进程
]j*o&6cQf <7>清场
AbZ:AJ(
嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
X^_,`H@ /***********************************************************************
1k2Ck Module:Killsrv.c
bsM`C]h& Date:2001/4/27
Br]VCp Author:ey4s
LAwX9q` Http://www.ey4s.org BRQ9kK20 ***********************************************************************/
:eQ@I+ #include
3, ,Z #include
?P<&8eY #include "function.c"
)prpG ! #define ServiceName "PSKILL"
GK95=?f~8; }w8h^(+B SERVICE_STATUS_HANDLE ssh;
}O2hhh_ SERVICE_STATUS ss;
O~{Zs\u9 /////////////////////////////////////////////////////////////////////////
g.DgJX&i void ServiceStopped(void)
Xe=@I* {
#$jAGt3^BT ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
;TmwIZ ss.dwCurrentState=SERVICE_STOPPED;
D: JGd$` ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
*X %`MN ss.dwWin32ExitCode=NO_ERROR;
BTjF^&` ss.dwCheckPoint=0;
YH':cze ss.dwWaitHint=0;
!\y_ik
SetServiceStatus(ssh,&ss);
C1p
|.L?m return;
Yr-,0${m }
k49CS*I /////////////////////////////////////////////////////////////////////////
<FS/'[P void ServicePaused(void)
l:+tl/ {
.
Nog. ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
kG?tgO?* ss.dwCurrentState=SERVICE_PAUSED;
wH|\;M{0V1 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
H.Jcp|k[; ss.dwWin32ExitCode=NO_ERROR;
c1|o^ eZ
ss.dwCheckPoint=0;
]a_;*Xq8d ss.dwWaitHint=0;
}y=7r!{@ SetServiceStatus(ssh,&ss);
k]R O=/ ?M return;
L4Nk+R; }
JB+pd_>5 void ServiceRunning(void)
bn<&Xe {
T:;e 73 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
J'@I!Jc ss.dwCurrentState=SERVICE_RUNNING;
<+_OgF1G ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
B'yN &3 ss.dwWin32ExitCode=NO_ERROR;
gQ?>%t] ss.dwCheckPoint=0;
y::KjB 0 ss.dwWaitHint=0;
WgE~H)_% SetServiceStatus(ssh,&ss);
VrF]X#\) return;
,e.y4
vnU }
N:L<ySJ7 /////////////////////////////////////////////////////////////////////////
eDaVoc3 void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
akd~Z {
$|(roC( switch(Opcode)
}{iR+MX {
14oD^`-t case SERVICE_CONTROL_STOP://停止Service
fD,#z& ServiceStopped();
C,tlp break;
>kC@7h5) case SERVICE_CONTROL_INTERROGATE:
eWwSD#N# SetServiceStatus(ssh,&ss);
@q^WD_k break;
#\`6ZHW }
gkBat(Uc return;
H[-zQ#I9 }
O,^,G<` //////////////////////////////////////////////////////////////////////////////
>IoOCQQ* //杀进程成功设置服务状态为SERVICE_STOPPED
!m_'<=)B4~ //失败设置服务状态为SERVICE_PAUSED
zw5EaY //
q#OLb"bTr void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
"<!|am( {
rB=1*.}FLc ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
"Jv&=zJ if(!ssh)
AqN(htGvx {
F>^k<E?,C ServicePaused();
w?Q@"^IL return;
IDLA-Vxo }
s)]|zu0"Ku ServiceRunning();
5n(p1OM2q Sleep(100);
_BR>- :Jr //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
s?0r\ cc|: //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
QQC0uta` if(KillPS(atoi(lpszArgv[5])))
.Z/"L@ ServiceStopped();
]j1BEO!Bg else
$Q47>/CUc^ ServicePaused();
7RdL/21K return;
i&_sbQ^ }
uX.Aq@j /////////////////////////////////////////////////////////////////////////////
{Ziq~{W_ void main(DWORD dwArgc,LPTSTR *lpszArgv)
z#,?*v {
yGS._;#R SERVICE_TABLE_ENTRY ste[2];
_ZR2?y-M ste[0].lpServiceName=ServiceName;
bZ3CJ f&mE ste[0].lpServiceProc=ServiceMain;
|$1j;#h ste[1].lpServiceName=NULL;
#wC4$y<> ste[1].lpServiceProc=NULL;
H2k>E}` StartServiceCtrlDispatcher(ste);
)Xg#x: return;
60`y= !?f }
Ma{|+\Q.Z /////////////////////////////////////////////////////////////////////////////
v[Ar{t& 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
a2).Az 下:
N18Zsdrp /***********************************************************************
B623B HwS Module:function.c
&<!I]:Y Date:2001/4/28
4[Oy3.-c Author:ey4s
`0.5aa Http://www.ey4s.org [bGdg ***********************************************************************/
"h:xdaIE/p #include
Nb B`6@r ////////////////////////////////////////////////////////////////////////////
}r,k*I'K BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
QV?\?9( {
qPzgGbmD9 TOKEN_PRIVILEGES tp;
*B3` #t LUID luid;
JNMZn/ t3bN
PK^ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
Xq J@NgsY {
C/]0jAAE7 printf("\nLookupPrivilegeValue error:%d", GetLastError() );
W}T+8+RU return FALSE;
lHP[WO
}
8.9S91]= tp.PrivilegeCount = 1;
"J[Cr m tp.Privileges[0].Luid = luid;
,Zs-<e" if (bEnablePrivilege)
:[AW tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
0eUsvzz15 else
\ u5%+GA-: tp.Privileges[0].Attributes = 0;
}1(F~6RH // Enable the privilege or disable all privileges.
L\n_q6n AdjustTokenPrivileges(
~~yo& ] hToken,
OFDPtJ wV FALSE,
!JrVh$K &tp,
/u#uC(Uwl
sizeof(TOKEN_PRIVILEGES),
}dB01Jl
' (PTOKEN_PRIVILEGES) NULL,
S{
*RF) (PDWORD) NULL);
q$H'u[KQ06 // Call GetLastError to determine whether the function succeeded.
iLS'47 if (GetLastError() != ERROR_SUCCESS)
m\jp$ {
meIY00 printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
\UK 9 return FALSE;
L
TO1LAac }
Lww0 LH
> return TRUE;
6'*?zZrz }
k6*2=
xK~ ////////////////////////////////////////////////////////////////////////////
Ng;E]2" BOOL KillPS(DWORD id)
tK]r>?Y\ {
WH'[~O HANDLE hProcess=NULL,hProcessToken=NULL;
=_v_#;h& BOOL IsKilled=FALSE,bRet=FALSE;
T.&^1q WWA __try
vH7"tz&RIp {
O{%y `|m dq|z;,` if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
eR5swy& {
2;6p2GNSh printf("\nOpen Current Process Token failed:%d",GetLastError());
,gRsbC __leave;
WU}JArX9 }
'MsxZqW"~ //printf("\nOpen Current Process Token ok!");
4pA(.<#A if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
5GpRN {
V-I_SvWv\ __leave;
w"A'uFXLc }
5N '
QG<jE printf("\nSetPrivilege ok!");
T_I"Tsv SDJAk&Z}R if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
>Wy@J]Y# {
?b2%\p`" printf("\nOpen Process %d failed:%d",id,GetLastError());
K4l,YR;r __leave;
t;E-9`N }
4$vya+mAk5 //printf("\nOpen Process %d ok!",id);
L!/USh:IP if(!TerminateProcess(hProcess,1))
qW7S<ouh {
+]*?J1Y8Z printf("\nTerminateProcess failed:%d",GetLastError());
rEZa%)XJ __leave;
HM--`RJ }
M[Ls:\1a IsKilled=TRUE;
*S{%+1F }
RQ|!?\a= __finally
mJWl#3 {
&HW%0lTs% if(hProcessToken!=NULL) CloseHandle(hProcessToken);
&AlVJEI+ if(hProcess!=NULL) CloseHandle(hProcess);
,D~C40f }
t5e% "}>7H return(IsKilled);
XlB`Z81j }
kGX`y.-[ //////////////////////////////////////////////////////////////////////////////////////////////
KVqQOh'_T OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
tS`fG; /*********************************************************************************************
xB
4A"| ModulesKill.c
&.Yh_ Create:2001/4/28
ywCE2N<-V? Modify:2001/6/23
%:((S]vAi Author:ey4s
qb
"H&)aHw Http://www.ey4s.org R+, tn,<< PsKill ==>Local and Remote process killer for windows 2k
b~v **************************************************************************/
Q{mls #include "ps.h"
f'R^MX2 #define EXE "killsrv.exe"
~@L$}Eu #define ServiceName "PSKILL"
_X;5ORH" W^al`lg+y #pragma comment(lib,"mpr.lib")
1kTJMtZG~ //////////////////////////////////////////////////////////////////////////
e
0!a
&w //定义全局变量
tQ] R@i SERVICE_STATUS ssStatus;
N6yqA)z?; SC_HANDLE hSCManager=NULL,hSCService=NULL;
(~/D*<A BOOL bKilled=FALSE;
$NJi]g|<3 char szTarget[52]=;
k,b(MAiQ0 //////////////////////////////////////////////////////////////////////////
_.wLQL~y BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
[YJP BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
7c<2oTN' BOOL WaitServiceStop();//等待服务停止函数
RQ9T<t42 BOOL RemoveService();//删除服务函数
9k2HP]8=[{ /////////////////////////////////////////////////////////////////////////
<[[DS%(M^ int main(DWORD dwArgc,LPTSTR *lpszArgv)
&~^"yo#b {
2{**bArV BOOL bRet=FALSE,bFile=FALSE;
vNi7=3 char tmp[52]=,RemoteFilePath[128]=,
UHweV:(|T szUser[52]=,szPass[52]=;
8pt;'' HANDLE hFile=NULL;
Y@RPQPmIQ DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
_vvnxG!x& h^34{pKDn //杀本地进程
hRGK W if(dwArgc==2)
jw#'f%* {
ToDN^qE+ if(KillPS(atoi(lpszArgv[1])))
b)'Ew27 printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
* F~"4g else
nM)] printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
){R_o5 lpszArgv[1],GetLastError());
?$F:S%eH return 0;
K'n^,
t }
{EZ
; //用户输入错误
]@M$.msg@ else if(dwArgc!=5)
<E6]8SQE {
b*r1Jn"h printf("\nPSKILL ==>Local and Remote Process Killer"
Cl4y9| "\nPower by ey4s"
MdZ7Yep "\nhttp://www.ey4s.org 2001/6/23"
mNm
8I8 "\n\nUsage:%s <==Killed Local Process"
56&s' "\n %s <==Killed Remote Process\n",
g#5g0UP)V lpszArgv[0],lpszArgv[0]);
HIi"zo=V return 1;
&=t$
AIu }
1OE^pxfi> //杀远程机器进程
&R pQ2*4n strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
%^gT.DsX- strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
%+FM$xyJ strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
=@V4V} ? j08|zUe //将在目标机器上创建的exe文件的路径
|5$9l#e sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
#y}@FG __try
0O"GI33Mg {
BP*gnXj //与目标建立IPC连接
eJ$?T7aUf if(!ConnIPC(szTarget,szUser,szPass))
z15(8Y@2] {
$9Y2\'w<h6 printf("\nConnect to %s failed:%d",szTarget,GetLastError());
qs 52)$ return 1;
Zdj~B1 }
;Z
C18@ printf("\nConnect to %s success!",szTarget);
DQH _@-q //在目标机器上创建exe文件
aztP`S$h 4D9lZa} hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
XC0G5rtB E,
Af
^6 NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
bo\|mvB~ if(hFile==INVALID_HANDLE_VALUE)
H>;km$b + {
mkrvWZjZX printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
(= uwx# __leave;
!);}zW! }
DTn=WGm) //写文件内容
fZxZ):7i while(dwSize>dwIndex)
^ yH|k@y {
NQ@ EZoJ : gv[X if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
aW4 tJN%! {
zO9|s}J8q printf("\nWrite file %s
WO^smCk failed:%d",RemoteFilePath,GetLastError());
./J.OU1 __leave;
OQW#BBet@ }
1\kOjF)l dwIndex+=dwWrite;
J
A4'e@ }
dq"b_pr; //关闭文件句柄
1}KNzMHk9 CloseHandle(hFile);
(3c,;koRR bFile=TRUE;
_Vj O
[hx //安装服务
:[|`&_D9J if(InstallService(dwArgc,lpszArgv))
a5L#c= {
'rp(k\pY //等待服务结束
-md2Z0^ Kc if(WaitServiceStop())
qC.jXU?rO {
;QREwT~H //printf("\nService was stoped!");
4UC/pGZY }
#e+%;5\ else
&Mo=V4i> {
d7$H})[^ //printf("\nService can't be stoped.Try to delete it.");
T*-*U/ }
NVeb,Pf Sleep(500);
i+Ob1B@w //删除服务
3,3{wGvHHW RemoveService();
>OZ+k(saL }
&