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。
}/J"/ T OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
,|c;x1|O <1>与远程系统建立IPC连接
D@p{EH <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
ET^?>YsA <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
u""26k51 <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
Sk
EI51] <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
Op0*tj2i), <6>服务启动后,killsrv.exe运行,杀掉进程
Um/l{:S <7>清场
xy`Y7W= 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
emQc%wd{ /***********************************************************************
DWtITO> Module:Killsrv.c
M?8sy Date:2001/4/27
3^KR{N p Author:ey4s
v[|-`e* Http://www.ey4s.org uWx<J3~q. ***********************************************************************/
YXo?(T.. #include
+8<$vzB #include
L)M{S3q, #include "function.c"
((Av3{05H& #define ServiceName "PSKILL"
ta95]|z"j 8i$|j~M a SERVICE_STATUS_HANDLE ssh;
DD/B\ SERVICE_STATUS ss;
`Fcr`[ /////////////////////////////////////////////////////////////////////////
KxErWP% void ServiceStopped(void)
>}wFePl {
_'!qOt7D ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
.+(ED ss.dwCurrentState=SERVICE_STOPPED;
9'(^Coq ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
j![1 ss.dwWin32ExitCode=NO_ERROR;
7zz F M ss.dwCheckPoint=0;
%KF I~Qk ss.dwWaitHint=0;
b7hICO-w SetServiceStatus(ssh,&ss);
pIR_2Eq return;
.hckZx / }
n-K/dI /////////////////////////////////////////////////////////////////////////
Z>UM gu3c void ServicePaused(void)
;8=Bee4 {
C_3,|Zq?| ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
3` IR
^ ss.dwCurrentState=SERVICE_PAUSED;
!hJ!ck]M ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
6
JI8l`S ss.dwWin32ExitCode=NO_ERROR;
;a|%W4 " ss.dwCheckPoint=0;
@D[+@N ss.dwWaitHint=0;
&@xm< A\S SetServiceStatus(ssh,&ss);
?Xpk"N7 return;
i~E0p
, }
U;kNo3= void ServiceRunning(void)
DN%JT[7 {
aAqM)T83 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
V.8Vy1 $ ss.dwCurrentState=SERVICE_RUNNING;
gs+nJ+b ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
c)Ng9p ss.dwWin32ExitCode=NO_ERROR;
4-HBXG9#/ ss.dwCheckPoint=0;
PE;<0Cz\ ss.dwWaitHint=0;
){mqo%{SO SetServiceStatus(ssh,&ss);
m2~`EL> return;
N[-$*F,:_ }
uo?R;fX26 /////////////////////////////////////////////////////////////////////////
HjzAFXRG void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
qsEFf(9G {
3u t<o- switch(Opcode)
^fN/ {
?*UWg[ case SERVICE_CONTROL_STOP://停止Service
G_qt~U ServiceStopped();
QeT~s5 H break;
>KQ/ c case SERVICE_CONTROL_INTERROGATE:
<iH SetServiceStatus(ssh,&ss);
4lCbUk[l break;
;Tk/}Od!VN }
6i+AJCkC return;
XFWE^*e=B }
^[R/W VNk //////////////////////////////////////////////////////////////////////////////
Rt,po //杀进程成功设置服务状态为SERVICE_STOPPED
'b" 7Lzp2 //失败设置服务状态为SERVICE_PAUSED
w('}QB`xad //
v6wg,,T void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
>B``+Z^2 {
]):>9q$C ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
'Hj([N if(!ssh)
5w~ 0Q {
1fV)tvU$ ServicePaused();
OZz/ip-!lc return;
Zcw<USF8 }
fHwS12SB ServiceRunning();
"PS ) "t Sleep(100);
5{ !"} //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
9W-"mD; //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
i"+TKo- if(KillPS(atoi(lpszArgv[5])))
?N9Z;_&^. ServiceStopped();
B^]Gv7- else
^} Y}Iz ServicePaused();
%S`Wu|y return;
[j
TU nP }
Wcm'E3c, /////////////////////////////////////////////////////////////////////////////
}!r
pH{y void main(DWORD dwArgc,LPTSTR *lpszArgv)
~Hd* Xl {
C2b<is=H: SERVICE_TABLE_ENTRY ste[2];
a".iVf6y ste[0].lpServiceName=ServiceName;
X%og}Cfi ste[0].lpServiceProc=ServiceMain;
sEKF ste[1].lpServiceName=NULL;
:_F 8O ste[1].lpServiceProc=NULL;
!]fSS)\H StartServiceCtrlDispatcher(ste);
XR<g~&h return;
pKLNBR| }
N_FjEZpX /////////////////////////////////////////////////////////////////////////////
KR R)pT 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
[ns==gDD 下:
A!^r9 ?< /***********************************************************************
'
Qlj"U Module:function.c
f6\4,() Date:2001/4/28
'ahZ*@kr Author:ey4s
mBB"e"o Http://www.ey4s.org ;*+H& ***********************************************************************/
t+pA9^$[` #include
`WMU'ezF ////////////////////////////////////////////////////////////////////////////
NU'2QSU8 BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
\R-'<kN.* {
JSylQ201 TOKEN_PRIVILEGES tp;
\|B\7a'4 LUID luid;
U|QP]6v ~PAI0+*"q if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
a-nn[j {
M(C$SB> printf("\nLookupPrivilegeValue error:%d", GetLastError() );
vxi_Y\r=T return FALSE;
eA``fpr }
5-H"{29 tp.PrivilegeCount = 1;
PQ;9iv tp.Privileges[0].Luid = luid;
B>I:KGkV if (bEnablePrivilege)
j,9/eZRZ tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
I (k(p\l% else
kaoiSL<[6 tp.Privileges[0].Attributes = 0;
*5XOYb?'v. // Enable the privilege or disable all privileges.
xDPR^xY AdjustTokenPrivileges(
"~zLG" hToken,
UxF9Ko( ]d FALSE,
|+[Y_j &tp,
$*:$- sizeof(TOKEN_PRIVILEGES),
tnBCO%uG (PTOKEN_PRIVILEGES) NULL,
Lr
d- (PDWORD) NULL);
~gQYgv<7 // Call GetLastError to determine whether the function succeeded.
VV54$a if (GetLastError() != ERROR_SUCCESS)
9pr.`w {
f)Y~F/[$P printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
:AQ9-&i/a- return FALSE;
0`v-pL0| }
#Jp|Cb<qx return TRUE;
=w:)AWZ }
o9C#5%9 ////////////////////////////////////////////////////////////////////////////
OTAe#]# BOOL KillPS(DWORD id)
O:~J_Wwl! {
Q`;eI
a6U HANDLE hProcess=NULL,hProcessToken=NULL;
OZz!8-|wE BOOL IsKilled=FALSE,bRet=FALSE;
H?ug-7k/ __try
YRv96|c, {
W|E % V[Sj+&e& if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
a2]ZYY`R7 {
<$Sl%DoS printf("\nOpen Current Process Token failed:%d",GetLastError());
O.\\)8xA __leave;
QctzIC#;k }
8\C][ y //printf("\nOpen Current Process Token ok!");
_ShWCU-~Z if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
DSq?|H {
@,2,(=l*C __leave;
=[Z3]#h }
G;[O~N3n. printf("\nSetPrivilege ok!");
~6O~Fth 9KJ}Ai if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
62Tel4u {
,)TnIByM printf("\nOpen Process %d failed:%d",id,GetLastError());
%]4=D)Om __leave;
jY=M{?h'' }
.RAyi>\e //printf("\nOpen Process %d ok!",id);
H;q[$EUNb if(!TerminateProcess(hProcess,1))
6hcK%0z {
@o#Yq
n3Y printf("\nTerminateProcess failed:%d",GetLastError());
=1VZcLNt __leave;
rQ2TPX<?a }
i\DU<lD5VN IsKilled=TRUE;
>#gDk K }
.N#KW __finally
zuFPG{^\# {
=FiO{Aw`N if(hProcessToken!=NULL) CloseHandle(hProcessToken);
^j10
f$B if(hProcess!=NULL) CloseHandle(hProcess);
>pJ#b= }
;kR=vv return(IsKilled);
~v:IgS }
ufw[Ei$I: //////////////////////////////////////////////////////////////////////////////////////////////
-okq=9 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:
F!4V!VWA} /*********************************************************************************************
(#)XRm{t ModulesKill.c
Y7I\<JG< Create:2001/4/28
0V^I.S/q Modify:2001/6/23
tTubW=H Author:ey4s
2|WM?V& Http://www.ey4s.org fU$_5v4 PsKill ==>Local and Remote process killer for windows 2k
G+k wG)K **************************************************************************/
>LH}A6dUC #include "ps.h"
&RI;!qn6( #define EXE "killsrv.exe"
.j>MsQP#\C #define ServiceName "PSKILL"
OA} r*Wz 8Z"f" #pragma comment(lib,"mpr.lib")
v9KsE2Ei //////////////////////////////////////////////////////////////////////////
P&@,Z#\ //定义全局变量
8K8jz9.s SERVICE_STATUS ssStatus;
cnw+^8 SC_HANDLE hSCManager=NULL,hSCService=NULL;
+ 660/ e8N BOOL bKilled=FALSE;
(ov&iNx char szTarget[52]=;
mI:^lp //////////////////////////////////////////////////////////////////////////
R7!v=X]i BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
M`@AS L:u BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
Xh3b=i|K BOOL WaitServiceStop();//等待服务停止函数
@0C[o9 BOOL RemoveService();//删除服务函数
CPeu="[ /////////////////////////////////////////////////////////////////////////
cD)9EFo int main(DWORD dwArgc,LPTSTR *lpszArgv)
H5
:,hrZY {
AGjjhbGB BOOL bRet=FALSE,bFile=FALSE;
>ZeARCf"f char tmp[52]=,RemoteFilePath[128]=,
TXf60{:f szUser[52]=,szPass[52]=;
.)p%|A#^ HANDLE hFile=NULL;
-AolW+Y DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
~t$ng l$ {{>,c}O / //杀本地进程
f4F%\ " if(dwArgc==2)
n6M #Xc'JA {
.5s^a.e'O if(KillPS(atoi(lpszArgv[1])))
3c(mZ printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
qK2jJ3)> else
VN\VTSZh?\ printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
V\e1NS lpszArgv[1],GetLastError());
^,5%fl return 0;
~Cg7 }
PX2b(fR8_O //用户输入错误
;O{bF8U else if(dwArgc!=5)
h+Yd
\k {
:xbj&
l printf("\nPSKILL ==>Local and Remote Process Killer"
=YfzB!ld "\nPower by ey4s"
Zs-lN*u7. "\nhttp://www.ey4s.org 2001/6/23"
(\r^0>H "\n\nUsage:%s <==Killed Local Process"
lFSvHs5 "\n %s <==Killed Remote Process\n",
9vwm
RVN lpszArgv[0],lpszArgv[0]);
:2/jI:L~ return 1;
B*Om\I }
X Z3fWcw[ //杀远程机器进程
6%:~.ZfN strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
?$uF(>LD
strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
wPu.hVz strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
v ;Q*0%~ fR+{gazk
n //将在目标机器上创建的exe文件的路径
Doq}UWp sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
A"s?;hv\fS __try
j {2 0 {
B.;@i;7L //与目标建立IPC连接
3^-R_ if(!ConnIPC(szTarget,szUser,szPass))
~gOZ\jm} {
>H5t,FfQL printf("\nConnect to %s failed:%d",szTarget,GetLastError());
ocMTTVo return 1;
kzNRRs\e }
KK4e'[Wf printf("\nConnect to %s success!",szTarget);
(!J;g|58 //在目标机器上创建exe文件
7 b( YjJ^SU`* hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
?9!9lSH6% E,
H+]h+K9\7 NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
3/uvw>$ if(hFile==INVALID_HANDLE_VALUE)
, /jHhKW {
5JK'2J& printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
?z6K/'? __leave;
ja/wI'J< }
a#[gNT~[ //写文件内容
BafNFPc while(dwSize>dwIndex)
}|N88PN {
"!7Hu7 L+T7Ge
q if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
"L1LL
iS {
XP:fL
NpQ printf("\nWrite file %s
55UPd#E' failed:%d",RemoteFilePath,GetLastError());
K :+q9;g __leave;
#w \x-i| }
>9i>A: dwIndex+=dwWrite;
5[r}'08b }
}LQV2 hKTG //关闭文件句柄
&)JoB CloseHandle(hFile);
vWrTB bFile=TRUE;
?EPHq,
E //安装服务
m\/) m]wR if(InstallService(dwArgc,lpszArgv))
0R`>F"> {
yV(9@lj3; //等待服务结束
-"a(<JC^NI if(WaitServiceStop())
S~ S>62 {
XeY[;}9 //printf("\nService was stoped!");
{D|ST2:E }
X&5N89 else
eT5IL(mH {
H\ E%.QIx //printf("\nService can't be stoped.Try to delete it.");
v<)&JlR }
C.LAr~P Sleep(500);
U 0~BcFpD //删除服务
{D(l#;,iX2 RemoveService();
%[9ty`UE }
MtF0/aT }
BD}%RTeWKq __finally
NV?XZ[<*< {
S?a4IK //删除留下的文件
iC^91!< if(bFile) DeleteFile(RemoteFilePath);
w`+-xT% //如果文件句柄没有关闭,关闭之~
?p 4iXHE if(hFile!=NULL) CloseHandle(hFile);
+Zr~mwM=x //Close Service handle
4KSq]S. if(hSCService!=NULL) CloseServiceHandle(hSCService);
:[f[-F //Close the Service Control Manager handle
+~of# if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
!+z^VcV //断开ipc连接
#Cy3x-! wsprintf(tmp,"\\%s\ipc$",szTarget);
LjW32>B WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
+|8.ymvm if(bKilled)
ZG#:3d*) printf("\nProcess %s on %s have been
8y_(Iu|: killed!\n",lpszArgv[4],lpszArgv[1]);
c9Cc%EK else
xx7&y!_ printf("\nProcess %s on %s can't be
=5fY3%^b{ killed!\n",lpszArgv[4],lpszArgv[1]);
YO?o$Hv16 }
:sLg$OF return 0;
x>BFK@# }
)b=vBs`% //////////////////////////////////////////////////////////////////////////
s6(md<r BOOL ConnIPC(char *RemoteName,char *User,char *Pass)
_/cX!/" {
QlR~rFs9t NETRESOURCE nr;
.]zZw B char RN[50]="\\";
rUyGTe(@h u ysTyzx strcat(RN,RemoteName);
h)j#?\KYm9 strcat(RN,"\ipc$");
-r_\=<( 0pW;H|h nr.dwType=RESOURCETYPE_ANY;
@|">j#0 nr.lpLocalName=NULL;
YPq:z"`-y4 nr.lpRemoteName=RN;
vfx{:3fO nr.lpProvider=NULL;
i[FYR;C F s=x+8'M if(WNetAddConnection2(&nr,Pass,User,FALSE)==NO_ERROR)
9,\AAISi return TRUE;
y!R9)=/M else
(Pw,3CbJ return FALSE;
_?'W30Dg }
D8PC;@m
/////////////////////////////////////////////////////////////////////////
-a~n_Z>_ BOOL InstallService(DWORD dwArgc,LPTSTR *lpszArgv)
B1E:P`t {
(V'w5&f(L BOOL bRet=FALSE;
1{d;Ngx __try
Z02EE-A {
O:T
49:R}r //Open Service Control Manager on Local or Remote machine
45<gO1 hSCManager=OpenSCManager(szTarget,NULL,SC_MANAGER_ALL_ACCESS);
7P*\|Sxk% if(hSCManager==NULL)
Le bc@, {
;qbK[3. printf("\nOpen Service Control Manage failed:%d",GetLastError());
#8M^;4N>[ __leave;
Z(R0IW }
_nxu8g] //printf("\nOpen Service Control Manage ok!");
C0Fd<