Favicon Trojans: Executable Steganography Via Ico Alpha Channel Exploitation

This paper presents a novel method of executable steganography using the alpha transparency layer of ICO image files to embed and deliver self-decompressing JavaScript payloads within web browsers. By targeting the least significant bit LSB of non-transparent alpha layer image values, the propose...

SharPyShell

SharPyShell SharPyShell is a tiny and obfuscated ASP.NET webshell that executes commands received by an encrypted channel compiling them in memory at runtime. SharPyShell supports only C web applications that runs on .NET Framework = 2.0VB is not supported atm. Usage python3 SharPyShell.py genera...

The vulnerability of the tdcore_24_1.dll library in the LabVIEW programming environment allows a perpetrator to gain unauthorized access to protected information or execute arbitrary code.

The vulnerability of the tdcore241.dll library in the LabVIEW programming environment is related to the execution of operations outside the buffer in memory. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected information or execute arbitrary code using a...

N. Korean Lazarus Group Targets Microsoft IIS Servers to Deploy Espionage Malware

The infamous Lazarus Group actor has been targeting vulnerable versions of Microsoft Internet Information Services IIS servers as an initial breach route to deploy malware on targeted systems. The findings come from the AhnLab Security Emergency response Center ASEC, which detailed the advanced...

Fileless attacks: How attackers evade traditional AV and how to stop them

When you hear about malware, theres a good chance you think of sketchy executables or files with extensions like .DOCX or .PDF that, once opened, execute malicious code. These are examples of file-based attacks--and while they can be bad, theyre nothing compared to their fileless cousins. As the...

Exploit for Expression Language Injection in Atlassian Confluence_Data_Center

Through the Wire Through the Wire is a proof of concept explo...

ASUS RT-AC68U和ASUS RT-AC5300 安全漏洞

The ASUS RT-AC68U and ASUS RT-AC5300 are both routers from the Chinese company ASUS. A command injection vulnerability exists in the Asus RT-AC68U prior to version 3.0.0.4.385.20633 and RT-AC5300 prior to version 3.0.0.4.384.82072, which stems from a failure to properly validate data boundaries...

DCOM abuse and lateral movement with Cobalt Strike

Introduction When researching lateral movement techniques I came across a post from Raphael Mudge of Cobalt Strike fame. He details scripting an Aggressor Script for Matt Nelson’s MMC20.Application Lateral Movement technique. Reading that post spurred me to make my own DCOM based lateral movement...

The vulnerability in the implementation of the Cisco Discovery protocol of the IP camera software from Cisco Video Surveillance series 8000 allows a intruder to trigger a reboot of the IP camera.

The vulnerability of the Cisco Discovery protocol implemented in Cisco Video Surveillance IP cameras of the 8000 series lies in the fact that the operation is executed outside the buffer in memory. Exploiting this vulnerability allows a malicious actor to trigger a restart of the IP camera...

A New SolarWinds Flaw Likely Had Let Hackers Install SUPERNOVA Malware

An authentication bypass vulnerability in the SolarWinds Orion software may have been leveraged by adversaries as a zero-day to deploy the SUPERNOVA malware in target environments. According to an advisory published yesterday by the CERT Coordination Center, the SolarWinds Orion API that's used t...

A Second Hacker Group May Have Also Breached SolarWinds, Microsoft Says

As the probe into the SolarWinds supply chain attack continues, new digital forensic evidence has brought to light that a separate threat actor may have been abusing the IT infrastructure provider's Orion software to drop a similar persistent backdoor on target systems. "The investigation of the...

The vulnerability of Intel processor BIOS microprogramming software, related to the execution of operations outside the buffer in memory, allows attackers to enhance their privileges or cause system failures.

The vulnerability of Intel processor BIOS microprogramming software relates to the execution of operations beyond the buffer boundaries in memory. Exploiting this vulnerability can allow an attacker to enhance their privileges or cause system failures...

CVE-2020-6318

A Remote Code Execution vulnerability exists in the SAP NetWeaver ABAP Server, up to release 7.40 and ABAP Platform release 7.40.Because of this, an attacker can exploit these products via Code Injection, and potentially enabling to take complete control of the products, including viewing,...

Carbon Black EDR’s All-New Live Query Capability and Enhanced Fileless Visibility

VMware Carbon Black is excited to announce that VMware Carbon Black EDR formerly CB Response, recently named by Gartner as a 2020 Customers’ Choice for Endpoint Detection and Response solutions, now features enhanced insight into fileless activity via Microsoft’s AMSI and a brand new Live Query...

Buffer overflow

The Bluetooth Low Energy BLE stack implementation on Cypress PSoC 4 through 3.62 devices does not properly restrict the BLE Link Layer header and executes certain memory contents upon receiving a packet with a Link Layer ID LLID equal to zero. This allows attackers within radio range to cause...

CVE-2019-17061

The CVE-2019-17061 entry concerns the Bluetooth Low Energy (BLE) stack in Cypress PSoC 4 devices (up to version 3.62). The issue is that the BLE Link Layer header is not properly restricted when processing a packet with LLID = 0, allowing an attacker in radio range to trigger a deadlock, anomalou...

CVE-2019-17060

The Bluetooth Low Energy BLE stack implementation on the NXP KW41Z based on the MCUXpresso SDK with Bluetooth Low Energy Driver 2.2.1 and earlier does not properly restrict the BLE Link Layer header and executes certain memory contents upon receiving a packet with a Link Layer ID LLID equal to...

Linux/x86_64 - Reverse Shell (/bin/sh) with Configurable Password Shellcode (120 bytes)

/ ; Title : Linux/x8664 - Reverse Shell /bin/sh with Password configurable 120 bytes ; Date : 2019-08-18 ; Author : Gonçalo Ribeiro @goncalor ; Website : goncalor.com ; SLAE64-ID : 1635 global start %define pass "pass" %define port 0x5c11 ; htons4444 start: jmp realstart password: db pass passlen...

Watch Out! Microsoft Spotted Spike in Astaroth Fileless Malware Attacks

Security researchers at Microsoft have released details of a new widespread campaign distributing an infamous piece of fileless malware that was primarily being found targeting European and Brazilian users earlier this year. Dubbed Astaroth , the malware trojan has been making the rounds since at...

Command injection

Broadcom firmware before summer 2014 on Nexus 5 BCM4335C0 2012-12-11, Raspberry Pi 3 BCM43438A1 2014-06-02, and unspecifed other devices does not properly restrict LMP commnds and executes certain memory contents upon receiving an LMP command, as demonstrated by executing an HCI command...