I did a bit of research and learning and have blogged about it an released some code. I wanted to understand Nirvana Hooks, specifically in x86. So I did a thing:
https://blog.xenoscr.net/2022/01/17/x86-Nirvana-Hooks.html
🗣xenosCR
🎖@malwr
https://blog.xenoscr.net/2022/01/17/x86-Nirvana-Hooks.html
🗣xenosCR
🎖@malwr
MBR Wipers starting to be very popular after the Ukrainian thing. Another one based on WobbyChip code. Some tips in screenshots.
Sample + My IDB + BOCHS Image ready for you, very good sample for education:🤠
https://github.com/Dump-GUY/Malware_TEMP/blob/main/MBRWiper_%20a0195c08fbfe459520423bf0a7c20504.7z
https://www.virustotal.com/gui/file/95a2cfb0da507b544ae915d6fd2a8d4fd8acb2456310e11d1bc066b531449ea9/detection
🗣vinopaljiri
🎖@malwr
Sample + My IDB + BOCHS Image ready for you, very good sample for education:🤠
https://github.com/Dump-GUY/Malware_TEMP/blob/main/MBRWiper_%20a0195c08fbfe459520423bf0a7c20504.7z
https://www.virustotal.com/gui/file/95a2cfb0da507b544ae915d6fd2a8d4fd8acb2456310e11d1bc066b531449ea9/detection
🗣vinopaljiri
🎖@malwr
TIL.. want all images from a docx? Rename it .zip and extract the media folder.
🗣Jean_Maes_1994
🎖@malwr
🗣Jean_Maes_1994
🎖@malwr
Detect It Easy, or abbreviated "DIE" is a program for determining types of files.
3.04
#hacker #infosec #malware #hacking #programming #reversing #opensource #linux #linuxsecurity #unix #macos #detectiteasy #android #cybersecurity
https://github.com/horsicq/Detect-It-Easy
🗣horsicq
🎖@malwr
3.04
#hacker #infosec #malware #hacking #programming #reversing #opensource #linux #linuxsecurity #unix #macos #detectiteasy #android #cybersecurity
https://github.com/horsicq/Detect-It-Easy
🗣horsicq
🎖@malwr
GitHub
GitHub - horsicq/Detect-It-Easy: Program for determining types of files for Windows, Linux and MacOS.
Program for determining types of files for Windows, Linux and MacOS. - horsicq/Detect-It-Easy
👍1
The second article of MAS (Malware Analysis Series) is available for reading! The PDF version (96 pages) can be downloaded from:
https://exploitreversing.com/2022/02/03/malware-analysis-series-mas-article-2/
Have an excellent day.
#malware #malwareanalysis #reverseengineering #programming #threathunting
🗣ale_sp_brazil
🎖@malwr
https://exploitreversing.com/2022/02/03/malware-analysis-series-mas-article-2/
Have an excellent day.
#malware #malwareanalysis #reverseengineering #programming #threathunting
🗣ale_sp_brazil
🎖@malwr
👍1
Published a new Repo Today, first one on gitlab ;) combining more than more tech to bypass av products:
u can check it here:
#bypassav #shellcode #payload
https://gitlab.com/ORCA666/3in1
🗣ORCA6665
🎖@malwr
u can check it here:
#bypassav #shellcode #payload
https://gitlab.com/ORCA666/3in1
🗣ORCA6665
🎖@malwr
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Is it possible to start a process as SYSTEM using only CreateFile and WriteFile? Yes
Spoiler: Write a custom RPC client and create a temporary service using \\.\pipe\ntsvcs 🙂
https://www.x86matthew.com/view_post?id=create_svc_rpc
🗣x86matthew
🎖@malwr
Spoiler: Write a custom RPC client and create a temporary service using \\.\pipe\ntsvcs 🙂
https://www.x86matthew.com/view_post?id=create_svc_rpc
🗣x86matthew
🎖@malwr
Great report by threatintel
- The TA leveraged PowerShell, WMIC, ProcDump, LSASS, PsExec, AnyDesk, Winrar, and there is even evidence of it leveraging EternalBlue exploits in the backdoor.
- The campaign lasted around 18 months
*Yara rules included
https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/china-apt-antlion-taiwan-financial-attacks
🗣nas_bench
🎖@malwr
- The TA leveraged PowerShell, WMIC, ProcDump, LSASS, PsExec, AnyDesk, Winrar, and there is even evidence of it leveraging EternalBlue exploits in the backdoor.
- The campaign lasted around 18 months
*Yara rules included
https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/china-apt-antlion-taiwan-financial-attacks
🗣nas_bench
🎖@malwr
Security
Antlion: Chinese APT Uses Custom Backdoor to Target Financial Institutions in Taiwan
The attackers spent a significant amount of time on victim networks.
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EmbedExeLnk - Embedding an EXE inside a LNK with automatic execution
https://www.x86matthew.com/view_post?id=embed_exe_lnk
🗣x86matthew
🎖@malwr
https://www.x86matthew.com/view_post?id=embed_exe_lnk
🗣x86matthew
🎖@malwr
We recently discovered an APT group leveraging a 0-day in Zimbra to try and steal e-mails from targeted user. We just shared details on the @Volexity blog. This is an interesting case where an XSS vulnerability is being used to facilitate cyber espionage.
https://www.volexity.com/blog/2022/02/03/operation-emailthief-active-exploitation-of-zero-day-xss-vulnerability-in-zimbra/
🗣stevenadair
🎖@malwr
https://www.volexity.com/blog/2022/02/03/operation-emailthief-active-exploitation-of-zero-day-xss-vulnerability-in-zimbra/
🗣stevenadair
🎖@malwr
Volexity
Operation EmailThief: Active Exploitation of Zero-day XSS Vulnerability in Zimbra
[UPDATE] On February 4, 2022, Zimbra provided an update regarding this zero-day exploit vulnerability and reported that a hotfix for 8.8.15 P30 would be available on February 5, 2022. This vulnerability […]
Reversing Go Tip 0x0001. Here is an Assembler view of a simple, "Hello, world!" and "Hello, world again!" bin. Notice with modern Go the values about to be passed into Fprintln are in r8 on x64.
🗣mytechnotalent
🎖@malwr
🗣mytechnotalent
🎖@malwr
My latest msdt uac bypass has been added to UACME. Thx @hFireF0X!
https://github.com/hfiref0x/UACME
🗣EmericNasi
🎖@malwr
https://github.com/hfiref0x/UACME
🗣EmericNasi
🎖@malwr
GitHub
GitHub - hfiref0x/UACME: Defeating Windows User Account Control
Defeating Windows User Account Control. Contribute to hfiref0x/UACME development by creating an account on GitHub.
For quite some time I wanted a command-line tool to calculate the entropy of files that was fast and supported Windows. I ended up coding my own.🙂 It could be useful for people in #malwareanalysis, #forensics, etc.
https://github.com/merces/entropy
🗣mer0x36
🎖@malwr
https://github.com/merces/entropy
🗣mer0x36
🎖@malwr
GitHub
GitHub - merces/entropy: CLI program to calculate the entropy of files
CLI program to calculate the entropy of files. Contribute to merces/entropy development by creating an account on GitHub.
Hours of troubleshooting and some more evenings went into a Nim port of reflective PE loading. Learned a lot porting that one, special thanks to @am0nsec and @_EthicalChaos_ for answering all my questions regarding to issues! 🤓
https://github.com/S3cur3Th1sSh1t/Nim-RunPE
🗣ShitSecure
🎖@malwr
https://github.com/S3cur3Th1sSh1t/Nim-RunPE
🗣ShitSecure
🎖@malwr
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HijackFileHandle - Hijack a file in a remote process without code injection
A covert method of intercepting data from remote file streams (log files, etc)
https://www.x86matthew.com/view_post?id=hijack_file_handle
🗣x86matthew
🎖@malwr
A covert method of intercepting data from remote file streams (log files, etc)
https://www.x86matthew.com/view_post?id=hijack_file_handle
🗣x86matthew
🎖@malwr
👍1
Indicators of Compromise Associated with LockBit 2.0
Ransomware 🕵️👾🖥️🔐
https://www.ic3.gov/Media/News/2022/220204.pdf
🗣CryptoInsane
🎖@malwr
Ransomware 🕵️👾🖥️🔐
https://www.ic3.gov/Media/News/2022/220204.pdf
🗣CryptoInsane
🎖@malwr