Uncategorized

AceLdr : Cobalt Strike UDRL For Memory Scanner Evasion

AceLdr is a position-independent reflective loader for Cobalt Strike. Zero results from Hunt-Sleeping-Beacons, BeaconHunter, BeaconEye, Patriot, Moneta, PE-sieve, or MalMemDetect.

Features

Easy to Use

Import a single CNA script before generating shellcode.

Dynamic Memory Encryption

Creates a new heap for any allocations from Beacon and encrypts entries before sleep.

Code Obfuscation and Encryption

Changes the memory containing CS executable code to non-executable and encrypts it (FOLIAGE).

Return Address Spoofing at Execution

Certain WinAPI calls are executed with a spoofed return address (InternetConnectA, NtWaitForSingleObject, RtlAllocateHeap).

Sleep Without Sleep

Delayed execution using WaitForSingleObjectEx.

RC4 Encryption

All encryption performed with SystemFunction032.

Known Issues

  • Not compatible with loaders that rely on the shellcode thread staying alive.
R K

Recent Posts

Cybersecurity – Tools And Their Function

Cybersecurity tools play a critical role in safeguarding digital assets, systems, and networks from malicious…

13 hours ago

MODeflattener – Miasm’s OLLVM Deflattener

MODeflattener is a specialized tool designed to reverse OLLVM's control flow flattening obfuscation through static…

13 hours ago

My Awesome List : Tools And Their Functions

"My Awesome List" is a curated collection of tools, libraries, and resources spanning various domains…

13 hours ago

Chrome Browser Exploitation, Part 3 : Analyzing And Exploiting CVE-2018-17463

CVE-2018-17463, a type confusion vulnerability in Chrome’s V8 JavaScript engine, allowed attackers to execute arbitrary…

13 hours ago

Chrome Browser Exploitation, Part 1 : Introduction To V8 And JavaScript Internals

The blog post "Chrome Browser Exploitation, Part 1: Introduction to V8 and JavaScript Internals" provides…

14 hours ago

Chrome Browser Exploitation, Part 3: Analyzing and Exploiting CVE-2018-17463

The exploitation of CVE-2018-17463, a type confusion vulnerability in Chrome’s V8 JavaScript engine, relies on…

16 hours ago