Integrating AWS S3 and Windows PowerShell to Download and Rename Files

Perficient Data & Analytics

You may change the profile name to whatever you like. Downloading and Renaming Files from AWS S3 using PowerShell. Define the bucket you would like to download the files from. Define the folder within the bucket you would like to download the files from. Using the slash at the end selects all the files within that folder. Define the path where you would like the files downloaded. Run a loop that pulls the files and file names.

Hack of DNA website exposes data from 92M accounts

Information Management Resources

MyHeritage received a message from a researcher who unearthed a file named 'myheritage' containing email addresses and encrypted passwords of nearly all of its users on a private server outside the company. Hacking Data security Cyber security Cyber attacks


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Nemty ransomware “LOVE_YOU” malspam campaign

Security Affairs

“Attached to each email is a ZIP archive with a name formatted as with only the #s changing,” reads the advisory published by IBM X-Force IRIS. “The hash of the file contained within each of these archives remains the same and is associated with a highly obfuscated JavaScript file named LOVE_YOU. The ransomware deletes shadow copies of encrypted files to make in impossible any recovery procedure.

New COVID19 wiper overwrites MBR making computers unusable

Security Affairs

Upon execution, the wiper drops a series of helper files into a temporary folder, including a BAT file named “coronovirus Installer,” which is responsible for most of the setup work. The BAT file creates a hidden folder named COVID-19, then move the dropped files to it. “run.exe creates a batch file named run.bat to ensure the registry modifications done by “coronavirus.bat” are kept intact besides facilitating execution of “mainWindow.exe”.”

Sony Bravia Smart TVs affected by a critical vulnerability

Security Affairs

“This application handles file names incorrectly when the user uploads a media file. ” The third flaw directory-traversal vulnerability tracked as CVE-2018-16594 that relates to the way the Photo Sharing Plus app handles file names. The application handles file names incorrectly when receiving a user’s input file via uploading a URL. A attacker can upload an arbitrary file with a crafted file name (e.g.: /./)

Best Practices for Organizing Business Files


Tired of digging through an endless sea of folders and files to find that one document you need? In addition to costing your company money and stressing out your employees, a poor file structure can jeopardize the security of your files and make onboarding new hires a messy process.

B0r0nt0K ransomware demands $75,000 ransom to the victims

Security Affairs

The ransom encrypts all files and renames them by appending. rontok extension to the file names. According to the popular malware researcher Michael Gillespie , when the B0r0nt0K ransomware encrypts a file it will base64 the encrypted data. “The file’s name will also be renamed by encrypting the filename, base64 encoding it, url encoding it, and finally appending the.rontok extension to the new file name.

Emsisoft released a new free decryption tool for the Avest ransomware

Security Affairs

The Avest ransomware encrypts victim’s files and appends the extension “ ckey().email().pack14” The decryption tool could be used by the victims only after they have successfully removed the malware from their system to avoid that the Avest ransomware will repeatedly lock the machine or will encrypt files. ransomware to decrypt their files for free.

Introducing the PhishingKitTracker

Security Affairs

Almost every file into the raw folder is malicious so I strongly recommend you to neither open these files, nor misuse the code to prank your friends. NB: Large File System Hahead. PhishingKitTracker is stored into Git Large File System (git-lfs) due to the big amount of data tracked. In a positive case (if a PhishingKit is found) the resulting file is downloaded and instantly added to that folder. filke_name keeps track about every file names and its frequency.

BlackWater, a malware that uses Cloudflare Workers for C2 Communication

Security Affairs

Researchers from MalwareHunterTeam discovered a suspicious RAR file named “COVID-19-” that was being distributed online, likely through phishing emails. "Important The RAR archive contains a file named “Important – COVID-19” that displays a Word icon. Crooks continue to abuse the interest in Coronavirus outbreak, now experts found a new backdoor called BlackWater that pretends to provide information about COVID-19.

Announcing PSIsafe 12 with Advanced Indexing & Search Functionality

Document Imaging Report

Other document management software applications act like electronic filing cabinets and you can only search based on keywords located in document file names. Auto-generate file names from document metadata.

Microsoft warns of Dexphot miner, an interesting polymorphic threat

Security Affairs

Layers of obfuscation, encryption, and the use of randomized file names hid the installation process. Polymorphic techniques involve frequently changing identifiable characteristics like file names and types, encryption keys and other artifacts. In the specific case, experts noticed that Dexphot operators attempted to deploy files that changed every 20-30 minutes on thousands of devices. .

Hacker breached Perceptics, a US maker of license plate readers

Security Affairs

Last week, a hacker that goes online with the moniker ‘Boris Bullet-Dodger’ reported the hack to The Register and showing it a list of files as proof of the attack. The hacker stole hundreds of gigabytes of files along with Microsoft Exchange and Access databases, ERP databases, HR records, and Microsoft SQL Server data stores. “The file names and accompanying directories – numbering almost 65,000 – fit with the focus of the surveillance technology biz.”

REvil gang threatens to release intimate pictures of celebs who are customers of The Hospital Group

Security Affairs

We pumped out about 600 gb of the most important documents, personal data of customers, as well as intimate photos of these customers (this is not a completely pleasant sight:))” The ransomware gang plans to post the first batch of files, named “Pacient Personal – 20??

New KilllSomeOne APT group leverages DLL side-loading

Security Affairs

The name KilllSomeOne comes from the phrase ‘KilllSomeOne’ used in the DLL side-loading attacks, the group is using poorly-written English messages relating to political subjects. . “In both of these cases, the payload is stored in the file named Groza_1.dat.

South Korea suffers from the spread of people infected with Corona 19

Security Affairs

The malware found is an executable program (EXE) using file names such as ‘Corona’s domestic status’ and ‘Corona’s real-time corona status.’ ’ When you run the file, you will see a pop-up window titled “Real-time Corona19 Status” depending on the variant.

Malicious npm packages spotted delivering njRAT Trojan

Security Affairs

db-json.js “ Both packages were created by the same author last week who masqueraded them as tools to work with JSON files. The script attempted to download and execute a file named patch.exe that was used to install the njRAT remote access trojan.

New variant of Dridex banking Trojan implements polymorphism

Security Affairs

In attacks observed on June 17, the malware was using 64-bit DLLs with file names loaded by legitimate Windows system executables. Duncan pointed out that file paths, file names, and associated hashes would change at every computer login. Security researchers at eSentire tracked a new campaign spreading a variant of the Dridex banking Trojan that shows polymorphism.

Operators behind Nefilim Ransomware threaten to release stolen data

Security Affairs

Nefilim will encrypt a file using AES-128 encryption, then the AES encryption key is encrypted using an RSA-2048 public key that is embedded in the ransomware executable. The encrypted AES key will be included in the contents of each encrypted file. NEFILIM extension to the file name, it also adds the “NEFILIM” string as a file marker to all encrypted files.

Nemty ransomware operators launch their data leak site

Security Affairs

Nemty ransomware first appeared on the threat landscape in August 2019, the name of the malware comes after the extension it adds to the encrypted file names. The ransomware deletes shadow copies of encrypted files to make in impossible any recovery procedure. The operators behind the Nemty ransomware set up a data leak site to publish the data of the victims who refuse to pay ransoms.

Cyber Threats Observatory Gets Improvements

Security Affairs

The main improvement sees the introduction of clustering stereotypes for each tracked malware family in three different behaviors: Domains , Files and Processes. Every malware does specific actions on domains, files and processes realms by meaning that every sample contacts several domain names, spawns specific processes and eventually saves file on HD (file-less malware are a separate topic here). TOP domains, TOP processes and TOP File Names.

New Cyber Attack Campaign Leverages the COVID-19 Infodemic

Security Affairs

During our Threat Intelligence activities we noticed a suspicions artifact named “ CoronaVirusSafetyMeasures_pdf ”, so, intrigued by its name and by its recent submission on Yomi Hunter ( LINK ), we decided to deep dive into it. The sample showed an interesting behavior, it established a TLS protected connection to a file sharing platform named “share.]dmca.]gripe”, Figure 3: Dashboard of the file hosting service used. Figure 5: Installed files.

Thousands of servers infected with the Lilocked Ransomware

Security Affairs

The infection caused the encrypted files to appear in the Google search results. The ransomware encrypts files and appends the. lilocked extension to the file name, then it drops a ransom note named # README. “At this time, there is no known way to decrypt files encrypted by Lilu, but if a sample is discovered that may change.”

AESDDoS bot exploits CVE-2019-3396 flaw to hit Atlassian Confluence Server

Security Affairs

Trend Micro researchers also discovered that the latest variant of the AESDDoS bot can modify files i.e., /etc/ rc. local , as an autostart technique by appending the {malware path } /{malware file name} reboot command. A new variant of the AESDDoS bot is exploiting a recent vulnerability in the Atlassian collaborative software Confluence.

Victims of Planetary Ransomware can decrypt their files for free

Security Affairs

Researchers at Emsisoft developed a decryptor for the Planetary Ransomware family that could allow victims to decrypt their files for free. Good news for the victims of the Planetary Ransomware, security firm Emsisoft has released a decryptor that allows victims to decrypt their files for free. The name Planetary ransomware comes from the use of the names of planets for the extensions the malicious code adds to the file names of encrypted files (i.e.mira,yum , Pluto, or.

Maze ransomware uses Ragnar Locker virtual machine technique

Security Affairs

This technique was first adopted by Ragnar Locker gang in May, at the time the Ragnar Locker was deploying Windows XP virtual machines to encrypt victim’s files while bypassing security measures. As Maze used Windows 7 image, the size of the file employed was of 2.6

Prometei, a new modular crypto-mining botnet exploits Windows SMB

Security Affairs

” The attack chain starts with the main botnet file attempting to compromise a machine’s Windows Server Message Block (SMB) protocol exploiting SMB vulnerabilities such as Eternal Blue. .

Shade Ransomware gang shut down operations and releases 750K decryption keys

Security Affairs

The ransomware also drops on the Desktop 10 text files, named README1.txt through README10.txt, The README.txt files include instructions to contact the crooks via an email address in order to receive information on how to make the payments. The Shade ransomware operators apologized for their activities and provided instructions on how to recover files using the decryption keys they have released.

Himera and AbSent-Loader Leverage Covid19 lures

Security Affairs

Absent-Loader does that and despite its name behaves this way. Following, the static information of this file: Name Covid-19-PESANTATION.doc Thus, once clicked, it allows this malicious document to execute a malicious file named HimeraLoader.exe. The file downloaded from the dropurl has the following static information: Name smss[1].exe Researchers at ZLab spotted a new phishing campaign using Covid19 lures to spread Himera and Absent-Loader. .

Evilnum APT used Python-based RAT PyVil in recent attacks

Security Affairs

The new infection chain starts by including just one LNK file in the ZIP archive attached to spear-phishing messages. When the LNK file is executed, a JavaScript file is called, which acts only as a first-stage dropper (the file name is ddpp.exe).

Researcher disclosed a Windows zero-day for the third time in a few months

Security Affairs

The last Windows zero-day flaw disclosed by SandboxEscaper is an arbitrary file read vulnerability that could be exploited by a low-privileged user or a malicious program to read the content of any file on a Windows system. According to the SandboxEscaper , the lack of proper validation could allow an attacker to force installer service into making a copy of any file as SYSTEM privileges and read its content.

The SLoad Powershell malspam is expanding to Italy

Security Affairs

A new malspam campaign hit Italy in this days, threat actors are spreading a new variant of a powerful downloader named sLoad. As usual, it comes as a zip file attached to an e-mail, this file contains two elements: A fake shortcut to directory (.lnk lnk file); Legitimate image flagged as hidden. Then, if file exists, the PowerShell script extracts and runs a portion of a code present at the end of the same file.

The Case for Limiting Your Browser Extensions

Krebs on Security

The file it attempted to download — 212b3d4039ab5319ec.js — appears to be named after an affiliate identification number designating a specific account that should get credited for serving advertisements. If we download a copy of that javascript file and view it in a text editor, we can see the following message toward the end of the file: [NAME OF EXTENSION HERE]’s development is supported by advertisements that are added to some of the websites you visit.

The North Korean Kimsuky APT threatens South Korea evolving its TTPs

Security Affairs

The infection starts with a classic executable file with “ scr ” extension, an extension used by Windows to identify Screensaver artifacts. Hash 757dfeacabf4c2f771147159d26117818354af14050e6ba42cc00f4a3d58e51f Threat Kimsuky loader Brief Description Scr file, initial loader Ssdeep 12288:APWcT1z2aKqkP/mANd2JiEWKZ52zfeCkIAYfLeXcj6uuLl:uhT1z4q030JigZUaULeXc3uLl. Figure 2: Written file (AutoUpdate.dll) in the “%AppData%LocalTemp” path. scr” file, the document is named “ ??? ??.hwp

IT 86

ObliqueRAT, a new malware employed in attacks on government targets in Southeast Asia

Security Affairs

The maldocs used in this campaign have benign file names such as “Company-Terms.doc”, “DOT_JD_GM.doc.” Ability to exfiltrate files. Ability to drop additional files. Experts noticed a unique feature implemented by the authors of the RAT, the malware looks for the presence of a specific directory and all files residing inside it.

Emsisoft released a free Decrypter for JSWorm 2.0

Security Affairs

ransomware, thanks to experts at Emsisoft they can decrypt their file for free. Researchers found notable callouts in two different malware samples naming ID Ransomware and several prominent malware researchers: “:HI SIRI, DEMONSLAY AND AMIIIIGO!!! Experts pointed out that there have been multiple confirmed submissions to the online service ID Ransomware that allows victims to upload their encrypted files to identify the ransomware that infected their machines.

Cyber Threat Trends Dashboard

Security Affairs

Most of the infosharing activities involved in cybersecurity are mostly focused on Indicator of Compromise such as: URL, IPs, Domains and file hashes which are perfectly used to arm protection tools such as: proxies, ng-firewalls and Antivirus Engines. Based on the magic file bytes this graph would track the percentages of file types that Malware used as carrier. For such a reason a dedicated graph named Unknown Families Threat Level Distribution has created.

Malware researchers decrypted the Qrypter Payload

Security Affairs

This messages warned the users about imminent summons against them, inviting them to read the attached lawsuit, a not so innocent looking file named “ Avviso del tribunale.jar ”. Sha256 4ede0d4787f2e5bc471de3490e5c9327b459985530e42def9cf5d94ea4c2cb2b Threat Qrypter-encrypted jRAT Brief Description Jar file contains jRAT Ssdeep 12288:vimJ+fjGuiwDBA19F7/8fDFsJTVjODmYae:vimkiwDB6z8fZsN3Yae. The JAR file seems to be corrupted due to the absence of some classes.

QNodeService Trojan spreads via fake COVID-19 tax relief

Security Affairs

The phishing messages use Trojan sample associated with a file named “Company PLP_Tax relief due to Covid-19 outbreak CI+PL.jar,” experts from MalwareHunterTeam noticed that the malicious code was only detected by ESET AV. "Company and is delivered through a Java downloader embedded in the.jar file, Trend Micro warns. . “Running this file led to the download of a new, undetected malware sample written in Node.js; this trojan is dubbed as “QNodeService”.”

Shared Drive Cleanup Success Story

The Texas Record

Over the years, staff had tried to maintain order by naming folders by the record type listed on the retention schedule, using idiosyncratic naming conventions, and attempting to create high level folders for staff to save their files in. This resulted in a shared folder that had many top-level folders and orphan files (i.e. single files that are not stored in a folder). We conducted an inventory of the types of files in the IS folder.