Home > Trojan Horse > Trojan Horse BackDoor Generic10.ARRA (file Name)C:\WINDOWS\system32\avica.dll

Trojan Horse BackDoor Generic10.ARRA (file Name)C:\WINDOWS\system32\avica.dll

Click here to Register a free account now! Users or administrators searching for a malicious process would likely overlook this extra little goodie running on the box, as it looks completely reasonable. Site Changelog Community Forum Software by IP.Board Sign In Use Facebook Use Twitter Need an account? The system is overprotective. check over here

Students learn the mindset and skills of an attacker, and I get to have fun watching them repeatedly smash into my systems. If a really dimwitted bad guy attacks my system and uses techniques that I can easily spot, I'm all for it. BleepingComputer is being sued by Enigma Software because of a negative post of SpyHunter. UPS Any Sometimes, attackers name their processes UPS to fool administrators into thinking the program controls the uninterruptible power supply. http://www.bleepingcomputer.com/forums/t/219748/trojan-horse-backdoor-generic10arra-file-namecwindowssystem32avicadll/

Still, mistyping a command name could lead to a privilege escalation attack on a Windows system, so be careful when typing commands with an account with administrator privileges. I cannot manually delete the file because it always tells me that access is denied. Writeup By: Hon Lau Summary| Technical Details| Removal Search Threats Search by nameExample: [email protected] INFORMATION FOR: Enterprise Small Business Consumer (Norton) Partners OUR OFFERINGS: Products Products A-Z Services Solutions CONNECT WITH If an attacker gets low-privileged access to your machine, and then tricks an administrator into running a command, the attacker can escalate privileges.

This notion is mistaken. Happily, the "." comes at the end of your path, so any built-in commands located in their normal directories will be executed instead of a Trojan horse with the same name. If you have superuser privileges, the attacker now has such privileges as well, having successfully launched a privilege escalation attack using a Trojan horse version of ls. Tell me more about it..NEXTPlease download Malwarebytes' Anti-Malware from HERE or HERENote: If you already have Malwarebytes' Anti-Malware, just run and update it..

The list of Figure 6.2 look pretty reasonable. An administrator will hesitate to kill a process named SCSI for fear that it might disable the hard drive. If I create a Trojan horse named ipconfig on your UNIX machine, I can sit back and wait for an administrator to accidentally type ipconfig while in the wrong directory. https://www.symantec.com/security_response/writeup.jsp?docid=2001-062614-1754-99 The information security business has done a good job over the last decade of informing our users not to run executable attachments included in e-mail or those that appear on their

If a program merely gives remote access, it is just a backdoor, as we discussed in Chapter 5. Table 6.2 lists common programs expected to be running on Windows and UNIX operating systems whose names are frequently borrowed by attackers for malicious code. This is a particularly bizarre circumstance, kind of like waking up and finding that you have two noses. If you need this topic reopened, please request this by sending the moderating team a PM with the address of the thread.

If users look at such a file with the Windows Explorer file viewer, it'll appear that the file might just be text, as shown in Figure 6.1. In this type of naming attack, you could actually see two processes named init running on your system: your normal init that's supposed to be there, and another Trojan horse named Many, but certainly not all, of these script types are tied to Windows machines, as the Windows operating system is freakishly obsessed with a file's type being stored in the suffix. For the other processes listed in Table 6.3, however, only a single instance of the process should show up in Task Manager.

This can be accomplished by altering the icon using one of a variety of tools, such as the free E-Icons program available at http://www.deepgls.com/eicons/. check my blog On UNIX systems, by default, your current working directory, referred to as "." and usually pronounced dot, is not in your path. Playing with Window Suffixes One very simple Trojan horse naming technique used by attackers against Windows systems is to trick victims by creating a file name with a bunch of spaces This Trojan horse might instantly give the attacker all of your permissions on the machine.

However, Windows doesn't do this, and just assumes that any process named winlogon.exe or lsass.exe must be okay. win Windows Typically there is no legitimate process by this name on a Windows box. In this case, the Trojan horse and the unsuspecting user become the entry vehicle for the malicious software on the system. this content Save it to your desktop.DDS.comDDS.scrDDS.pifDouble click on the DDS icon, allow it to run.A small box will open, with an explaination about the tool.

The backdoor is waiting with a command shell on TCP port 2222. Blending in with the "normal" programs running on a machine. All rights reserved.800 East 96th Street, Indianapolis, Indiana 46240 Computer Support Forum avica.dll Rrrrrrr Question: avica.dll Rrrrrrr Hello,Im new to the site and would like to seek some help.

Run the scan, enable your A/V and reconnect to the internet.

As a guest, you can browse and view the various discussions in the forums, but can not create a new topic or reply to an existing one unless you are logged That's pretty nasty, but rather common. To learn more and to read the lawsuit, click here. True story - Barney Stinson Its gonna be legen..

Instead, to run the program, you have to type ./[program_name] to execute the program. SCSI Any Attackers sometimes name their Trojan horse processes SCSI, attempting to dupe an administrator into thinking that the program controls the SCSI chain. Schemes such as pay per install, sending spam emails, and harvesting personal information and identities are all ways to generate revenue. http://mseedsoft.com/trojan-horse/trojan-horse-generic10-bhes.html IE Services Button: {5bab4b5b-68bc-4b02-94d6-2fc0de4a7897} - c:\program files\yahoo!\common\yiesrvc.dllBHO: {5C255C8A-E604-49b4-9D64-90988571CECB} - No FileBHO: Search Helper: {6ebf7485-159f-4bff-a14f-b9e3aac4465b} - c:\program files\microsoft\search enhancement pack\search helper\SearchHelper.dllBHO: Windows Live Sign-in Helper: {9030d464-4c02-4abf-8ecc-5164760863c6} - c:\program files\common files\microsoft shared\windows live\WindowsLiveLogin.dllBHO:

Unfortunately, this kind of analysis requires an administrator to be intimately familiar with what is supposed to be running on the system. Fport is very simple, yet highly effective. Figure 6.3 Bad guy runs Netcat. Please re-enable javascript to access full functionality.

By hitting Ctrl-Alt-Delete, selecting Task Manager, and then looking at the Processes tab, I can see the various processes running on my box. If an experienced sys admin notifies you that "something just doesn't look right with this program," you ignore their concerns at your own peril. Therefore, unfortunately, these names are just perfect for Trojan horse backdoors, because they are more difficult for a system administrator to terminate, if they are ever discovered. Im working with malware support on deleting this darn avica.dll Short of going the root of combofix any other suggestions ?Thanks Answer: avica.dll Rrrrrrr ttt 1 more replies Relevance 54.12% Question:

On UNIX machines, this suffix is just a handy reference for users; UNIX won't run a specific application based merely on the file suffix. IE Services Button: {5bab4b5b-68bc-4b02-94d6-2fc0de4a7897} - c:\program files\yahoo!\common\yiesrvc.dllBHO: {7E853D72-626A-48EC-A868-BA8D5E23E045} - No FileBHO: Windows Live Sign-in Helper: {9030d464-4c02-4abf-8ecc-5164760863c6} - c:\program files\common files\microsoft shared\windows live\WindowsLiveLogin.dllBHO: AVG Security Toolbar: {a057a204-bacc-4d26-9990-79a187e2698e} - c:\progra~1\avg\avg8\AVGTOO~1.DLLBHO: AIM Toolbar Loader: For example, executables have the .EXE suffix, whereas text files end in .TXT.