ActiveReign - A Network Enumeration And Attack Toolset

Background A while back I was challenged to write a discovery tool with Python3 that could automate the process of finding sensitive information on network file shares. After writing the entire tool with pysmb, and adding features such as the ability to open and scan docx an xlsx files, I slowly...

Microsoft Exchange – Password Spraying

Outlook Web Access OWA portals typically are externally facing in order to allow users to get access to their emails from the Internet. This gives the opportunity to threat actors to use a common password against a valid list of usernames Password Spraying in order to get some initial access to t...

ACSC Releases Advisory on Password Spraying Attacks

The Australian Cyber Security Centre ACSC has released an advisory on password spraying attacks. Password spraying is a type of brute-force attack in which a malicious actor uses a single password against targeted user accounts before moving on to attempt a second password, and so on. This...

Citrix Confirms Password-Spraying Heist of Reams of Internal IP

UPDATE Digital workspace and enterprise networks vendor Citrix has concluded its investigation into a 6TB data heist in March, which it said was the work of international cybercriminals who exploited weak passwords on an internal network. The attackers intermittently accessed Citrix’ infrastrucur...

Crosslinked - LinkedIn Enumeration Tool To Extract Valid Employee Names From An Organization Through Search Engine Scraping

CrossLinked simplifies the processes of searching LinkedIn to collect valid employee names when performing password spraying or another security testing against an organization. Using similar search engine scraping capabilities found in tools like subscraper and pymeta, CrossLinked will find vali...

“Password Spraying”—What to Do and How to Avoid It

Cyber breaches arent the only hot topic in the cyber media--sometimes the attack tactics themselves can claim the limelight when a significant breach gains media attention. One tactic getting some attention in the news is "password spraying." We offer an overview of what it is, how to avoid it, a...

Threatlist: IMAP-Based Attacks Compromising Accounts at 'Unprecedented Scale'

Attackers mounting password-spraying campaigns are turning to the legacy Internet Message Access Protocol IMAP to avoid multi-factor authentication obstacles – thus more easily compromising cloud-based accounts. That’s according to researchers with Proofpoint, who found that in the past half year...

Citrix Data Breach – Iranian Hackers Stole 6TB of Sensitive Data

Popular enterprise software company Citrix that provides services to the U.S. military, the FBI, many U.S. corporations, and various U.S. government agencies disclosed last weekend a massive data breach of its internal network by "international cyber criminals." Citrix said it was warned by the F...

Citrix Data Breach – Iranian Hackers Stole 6TB of Sensitive Data

Popular enterprise software companyCitrix that provides services to the U.S. military, the FBI, many U.S. corporations, and various U.S. government agencies disclosed last weekend a massive data breach of its internal network by "international cyber criminals." Citrix said it was warned by the FB...

Citrix Falls Prey to Password-Spraying Attack

Citrix is warning that its internal network has been hit by international cybercriminals. The digital workspace and enterprise networks vendor said in a website notice that the FBI contacted it on Wednesday, saying that there was evidence of a successful cyberattack on its network. While details...

ASAN/SUID - Local Privilege Escalation

!/bin/bash unsanitary.sh - ASAN/SUID Local Root Exploit Exploits er, unsanitized env var passing in ASAN which leads to file clobbering as root when executing setuid root binaries compiled with ASAN. Uses an overwrite of /etc/ld.so.preload to get root on a vulnerable system. Supply your own targe...

Linux Kernel 4.4 rtnetlink Stack Memory Disclosure

/ Briefs - CVE-2016-4486 has discovered and reported by Kangjie Lu. - This is local exploit against the CVE-2016-4486. Tested version - Distro : Ubuntu 16.04 - Kernel version : 4.4.0-21-generic - Arch : x8664 Prerequisites - None Goal - Leak kernel stack base address of current process by...

JavaScript Core - Arbitrary Code Execution Exploit

Exploit for multiple platform in category local exploits // Load Int library, thanks saelo! load'util.js'; load'int64.js'; // Helpers to convert from float to in a few random places var conva = new ArrayBuffer8; var convf = new Float64Arrayconva; var convi = new Uint32Arrayconva; var convi8 = new...

ASLRay - Linux ELF x32 and x64 ASLR bypass exploit with stack-spraying

Linux ELF x32 and x64 ASLR bypass exploit with stack-spraying. Properties: ASLR bypass Cross-platform Minimalistic Simplicity Unpatchable Dependencies: Linux 2.6.12+ - will work on any x86-64 Debian-based OS BASH - the whole script Limitations: Stack needs to be executable -z execstack Binary has...

Analyzing an exploit for СVE-2017-11826

The latest Patch Tuesday 17 October brought patches for 62 vulnerabilities, including one that fixed СVE-2017-11826 – a critical zero-day vulnerability used to launch targeted attacks – in all versions of Microsoft Office. The exploit for this vulnerability is an RTF document containing a DOCX...

Microsoft Windows Kernel - win32k!NtQueryCompositionSurfaceBinding Stack Memory Disclosure

Microsoft Windows Kernel - win32k!NtQueryCompositionSurfaceBinding Stack Memory Disclosure / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1307 We have discovered that the win32k!NtQueryCompositionSurfaceBinding system call discloses portions of uninitialized kernel stack memo...

Jungo DriverWizard WinDrive Overflow

-- coding: utf-8 -- """ Jungo DriverWizard WinDriver Kernel Pool Overflow Vulnerability Download: http://www.jungo.com/st/products/windriver/ File: WD1240.EXE Sha1: 3527cc974ec885166f0d96f6aedc8e542bb66cba Driver: windrvr1240.sys Sha1: 0f212075d86ef7e859c1941f8e5b9e7a6f2558ad CVE: CVE-2017-14153...

Microsoft Windows - nt!NtQueryInformationWorkerFactory (WorkerFactoryBasicInformation) Kernel Stack

Exploit for windows platform in category dos / poc / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1214&desc=2 We have discovered that the nt!NtQueryInformationWorkerFactory system call called with the WorkerFactoryBasicInformation 7 information class discloses portions of...

Microsoft Windows - nt!NtQueryInformationJobObject (information class 28) Kernel Stack Memory Disclo

Exploit for windows platform in category dos / poc / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1194 We have discovered that the nt!NtQueryInformationJobObject system call corresponding to the documented QueryInformationJobObject API function called with the 28 information...

IE browser vulnerability integrated use of technology: the heap spray techniques-vulnerability warning-the black bar safety net

The browser was once the vulnerabilities wreak havoc on the hardest-hit areas, in the IE6 era often accidentally open a page will be caught. Even in the web the penetration circles also spread through the“Get shell hanging horse”such a word. Then this is the case when is a difference? I personall...