π [ Daniel F. @VirtualAllocEx ]
I was interested in better understanding a specific detection mechanism of an EDR, focusing on fake DLLs, page guard hooking, PEB manipulation, and vectored exception handling - techniques inspired by the game hacking community.
I'm not a reverse engineer, but in this blog post I tried my best to explain in detail how the detection logic (probably) works and how it could be "bypassed" from an attacker's (red team's) perspective.
By bypassing I mean avoiding prevention and detection by the respective EPP/EDR based on active alerts, it does not include all the telemetry related stuff. I just want to mention this because in general I think the term bypassing should be used very sensitively, carefully and precisely.
In general, in this case the focus was not primarily on finding a "bypass", I was much more interested in learning a bit about reverse engineering in the context of EDRs.
If there are any mistakes or if something is not described correctly, please let me know. Also feel free to give constructive feedback at any time.
The blog post is available in English and German, just switch from EN to DE on the website.
π https://redops.at/en/blog/edr-analysis-leveraging-fake-dlls-guard-pages-and-veh-for-enhanced-detection
π₯ [ tweet ]
I was interested in better understanding a specific detection mechanism of an EDR, focusing on fake DLLs, page guard hooking, PEB manipulation, and vectored exception handling - techniques inspired by the game hacking community.
I'm not a reverse engineer, but in this blog post I tried my best to explain in detail how the detection logic (probably) works and how it could be "bypassed" from an attacker's (red team's) perspective.
By bypassing I mean avoiding prevention and detection by the respective EPP/EDR based on active alerts, it does not include all the telemetry related stuff. I just want to mention this because in general I think the term bypassing should be used very sensitively, carefully and precisely.
In general, in this case the focus was not primarily on finding a "bypass", I was much more interested in learning a bit about reverse engineering in the context of EDRs.
If there are any mistakes or if something is not described correctly, please let me know. Also feel free to give constructive feedback at any time.
The blog post is available in English and German, just switch from EN to DE on the website.
π https://redops.at/en/blog/edr-analysis-leveraging-fake-dlls-guard-pages-and-veh-for-enhanced-detection
π₯ [ tweet ]
π8
π [ Lsec @lsecqt ]
I am happy to share a recent blogpost about weaponizing DLL Hijacking / Sideloading for getting initial access and establishing persistence:
π https://www.r-tec.net/r-tec-blog-dll-sideloading.html
Hope this is useful, and as always, reach out if you have questions.
π₯ [ tweet ]
I am happy to share a recent blogpost about weaponizing DLL Hijacking / Sideloading for getting initial access and establishing persistence:
π https://www.r-tec.net/r-tec-blog-dll-sideloading.html
Hope this is useful, and as always, reach out if you have questions.
π₯ [ tweet ]
π₯6π1
Offensive Xwitter
π [ ap @decoder_it ] Following up on my earlier tweet regarding Kerberos relay with SMB server, I've uploaded my quick & dirty version. It's far from perfect, so feel free to improve it! π https://github.com/decoder-it/KrbRelay-SMBServer/tree/master π₯ [β¦
π [ Daniel @0x64616e ]
Kerberos relaying from SMB to ADCS. Especially great when ESC8 was mitigated by disabling NTLM auth on the ADCS server.
Powered by:
π https://github.com/decoder-it/KrbRelay-SMBServer
π https://github.com/wh04m1001/dfscoerce
π https://github.com/CCob/gssapi-abuse
π₯ [ tweet ][ quote ]
Kerberos relaying from SMB to ADCS. Especially great when ESC8 was mitigated by disabling NTLM auth on the ADCS server.
Powered by:
π https://github.com/decoder-it/KrbRelay-SMBServer
π https://github.com/wh04m1001/dfscoerce
π https://github.com/CCob/gssapi-abuse
π₯ [ tweet ][ quote ]
π₯±7π4π₯3π€―3
π [ eversinc33 π€πͺβο½‘Λ β @eversinc33 ]
I sometimes do recreational malware analysis with random samples 4fun. In this one, I unpacked 2 stages of .NET to reveal SnakeKeylogger and subsequently enumerated info about the threat actor via his Telegram API token.
π https://eversinc33.com/posts/unpacking-snake-keylogger.html
π₯ [ tweet ]
I sometimes do recreational malware analysis with random samples 4fun. In this one, I unpacked 2 stages of .NET to reveal SnakeKeylogger and subsequently enumerated info about the threat actor via his Telegram API token.
π https://eversinc33.com/posts/unpacking-snake-keylogger.html
π₯ [ tweet ]
π₯9π1
π [ Outflank @OutflankNL ]
New Blog Alert! π¨
Introducing Early Cascade Injection, a stealthy process injection technique that targets Windows process creation, avoids cross-process APCs, and evades top-tier EDRs.
Learn how it combines Early Bird APC Injection & EDR-Preloading:
π https://www.outflank.nl/blog/2024/10/15/introducing-early-cascade-injection-from-windows-process-creation-to-stealthy-injection/
π₯ [ tweet ]
New Blog Alert! π¨
Introducing Early Cascade Injection, a stealthy process injection technique that targets Windows process creation, avoids cross-process APCs, and evades top-tier EDRs.
Learn how it combines Early Bird APC Injection & EDR-Preloading:
π https://www.outflank.nl/blog/2024/10/15/introducing-early-cascade-injection-from-windows-process-creation-to-stealthy-injection/
π₯ [ tweet ]
π₯±7π6π₯2
Forwarded from Ralf Hacker Channel (Ralf Hacker)
ΠΠ½ΡΠ΅ΡΠ΅ΡΠ½ΡΠ΅ Ρ Π½ΠΈΡ
ΠΎΡΡΠ΅ΡΡ, Π»ΡΠ±Π»Ρ ΡΠ°ΠΊΠΎΠ΅ ΡΡΠΈΠ²ΠΎ ΠΈ Π²ΡΠ΅ΠΌ ΡΠ΅ΠΊΠΎΠΌΠ΅Π½Π΄ΡΡ) ΠΈ Π°ΡΠ°ΠΊΠ΅ΡΠ°ΠΌ, ΠΈ Π·Π°ΡΠΈΡΠ½ΠΈΠΊΠ°ΠΌ))
https://xn--r1a.website/s3Ch1n7/427
#report
https://xn--r1a.website/s3Ch1n7/427
#report
Telegram
README.hta
π10π₯±1
π [ cod @wolfcod ]
Combining RtlCreateProcessReflection plus NanoDump Writer to avoid MiniDump callback api:
π https://github.com/wolfcod/lsassdump
π₯ [ tweet ]
Combining RtlCreateProcessReflection plus NanoDump Writer to avoid MiniDump callback api:
π https://github.com/wolfcod/lsassdump
π₯ [ tweet ]
π5π₯3
π [ Elastic Security Labs @elasticseclabs ]
Threat hunting just got easier! This new repo of detection rules is crafted by our veteran detection engineers and powered by different Elastic query languages. Get the details of whatβs included and see the future of this repo here:
π https://www.elastic.co/security-labs/elevate-your-threat-hunting
π₯ [ tweet ]
Threat hunting just got easier! This new repo of detection rules is crafted by our veteran detection engineers and powered by different Elastic query languages. Get the details of whatβs included and see the future of this repo here:
π https://www.elastic.co/security-labs/elevate-your-threat-hunting
π₯ [ tweet ]
π₯7π2
π [ Chetan Nayak (Brute Ratel C4 Author) @NinjaParanoid ]
Here's my journey/blog of an entire wasted day on reversing the NTAPI call and the internals of
Blog:
π https://bruteratel.com/research/2024/10/20/Exception-Junction/
PoC:
π https://github.com/paranoidninja/Exception-Junction
π₯ [ tweet ]
Here's my journey/blog of an entire wasted day on reversing the NTAPI call and the internals of
ntdll!LdrpVectorHandlerList to write my own RtlpAddVectoredExceptionHandler from scratch. The code is hosted on my git.Blog:
π https://bruteratel.com/research/2024/10/20/Exception-Junction/
PoC:
π https://github.com/paranoidninja/Exception-Junction
π₯ [ tweet ]
π₯7π3
π [ Steph @w34kp455 ]
Call it the biggest #NTLM #password database or monstrous #MD5 leak, but on, you can find precomputed datasets for various wordlists and different hashes - all free!
FYI:
π http://weakpass.com
π₯ [ tweet ]
Call it the biggest #NTLM #password database or monstrous #MD5 leak, but on, you can find precomputed datasets for various wordlists and different hashes - all free!
FYI:
all_in_one.latin.txt for NTLM contains 26.5 billion pairs of hash:password inside!π₯π http://weakpass.com
π₯ [ tweet ]
π₯19π5
π [ CICADA8Research @CICADA8Research ]
Hi! We'd like to share our new research with you. You've probably heard about COM Hijacking, but we've found another way of persistence via COM. Typelib! Read the article here:
π https://medium.com/@cicada-8/hijack-the-typelib-new-com-persistence-technique-32ae1d284661
π₯ [ tweet ]
Hi! We'd like to share our new research with you. You've probably heard about COM Hijacking, but we've found another way of persistence via COM. Typelib! Read the article here:
π https://medium.com/@cicada-8/hijack-the-typelib-new-com-persistence-technique-32ae1d284661
π₯ [ tweet ]
π₯12π₯±6π4π€3
π [ Chris Au @netero_1010 ]
Something interesting I found in SCCM remote control.
π https://www.netero1010-securitylab.com/red-team/abuse-sccm-remote-control-as-native-vnc
π₯ [ tweet ]
Something interesting I found in SCCM remote control.
π https://www.netero1010-securitylab.com/red-team/abuse-sccm-remote-control-as-native-vnc
π₯ [ tweet ]
π3π₯±2π₯1
π [ Octoberfest7 @Octoberfest73 ]
Happy to share another open source project- An x64 position-independent shellcode stager that validates the downloaded payload stage prior to execution. Integration with Cobalt Strike out of the box. Check out Secure_Stager here:
π https://github.com/Octoberfest7/Secure_Stager
π₯ [ tweet ]
Happy to share another open source project- An x64 position-independent shellcode stager that validates the downloaded payload stage prior to execution. Integration with Cobalt Strike out of the box. Check out Secure_Stager here:
π https://github.com/Octoberfest7/Secure_Stager
π₯ [ tweet ]
π4π₯3π₯±2
This media is not supported in your browser
VIEW IN TELEGRAM
π [ Bnb @HulkOperator ]
I'm thrilled to share my latest project: AuthStager. This is a proof-of-concept tool that generates a shellcode stager with authentication.
Shout out to @MalDevAcademy, which is hands down the best resource to learn maldev.
Blog:
π https://hulkops.gitbook.io/blog/red-team/stage-but-verify
Code:
π https://github.com/HulkOperator/AuthStager
π₯ [ tweet ]
I'm thrilled to share my latest project: AuthStager. This is a proof-of-concept tool that generates a shellcode stager with authentication.
Shout out to @MalDevAcademy, which is hands down the best resource to learn maldev.
Blog:
π https://hulkops.gitbook.io/blog/red-team/stage-but-verify
Code:
π https://github.com/HulkOperator/AuthStager
π₯ [ tweet ]
π7π₯4
π [ MalDev Academy @MalDevAcademy ]
Embed an encrypted payload within a PNG file across multiple sections.
π https://github.com/Maldev-Academy/EmbedPayloadInPng
π₯ [ tweet ]
Embed an encrypted payload within a PNG file across multiple sections.
π https://github.com/Maldev-Academy/EmbedPayloadInPng
π₯ [ tweet ]
π6π₯±5
π [ TrustedSec @TrustedSec ]
Itβs time to get Groovy! In our new #blog, @__mez0__ goes over a variety of post-exploitation tasks in the #Groovy programming language for the next time youβre #enumerating a network. Read it now!
π https://hubs.la/Q02Vhm2G0
π₯ [ tweet ]
Itβs time to get Groovy! In our new #blog, @__mez0__ goes over a variety of post-exploitation tasks in the #Groovy programming language for the next time youβre #enumerating a network. Read it now!
π https://hubs.la/Q02Vhm2G0
π₯ [ tweet ]
π3
π [ 0xdf @0xdf_ ]
Mist from @hackthebox_eu is just a monster active directory challenge. My favorite parts were exploiting PetitPotam with ntlmrelayx to relay into LDAP access on the DC, enumerating Defender exclusion directories, and exploiting ESC13.
π https://0xdf.gitlab.io/2024/10/26/htb-mist.html
π₯ [ tweet ]
Mist from @hackthebox_eu is just a monster active directory challenge. My favorite parts were exploiting PetitPotam with ntlmrelayx to relay into LDAP access on the DC, enumerating Defender exclusion directories, and exploiting ESC13.
π https://0xdf.gitlab.io/2024/10/26/htb-mist.html
π₯ [ tweet ]
π4π₯2
π [ Lampros @lampnout ]
Did you know attackers can register scheduled tasks configured with a custom handler (COM) to hide the full path of their payload? In my revisited post I explore (source code) how it is possible to register a task using the
π https://stmxcsr.com/persistence/scheduled-tasks.html#programmatically-register-a-scheduled-task-using-com-icomhandleraction
π₯ [ tweet ]
Did you know attackers can register scheduled tasks configured with a custom handler (COM) to hide the full path of their payload? In my revisited post I explore (source code) how it is possible to register a task using the
IComHandlerAction interface:π https://stmxcsr.com/persistence/scheduled-tasks.html#programmatically-register-a-scheduled-task-using-com-icomhandleraction
π₯ [ tweet ]
π4π₯3