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Nasreddine Bencherchali Profile picture
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11 Dec, 8 tweets, 12 min read
#log4j thread

Detection Ideas + Yara by @cyb3rops - gist.github.com/Neo23x0/e4c8b0…
Hashes for vulnerable LOG4J versions by @mubix - github.com/mubix/CVE-2021…
SIGMA by @SOC_Prime - tdm.socprime.com/tdm/info/XY2Ej…
tdm.socprime.com/tdm/info/4SiOs…
Payloads list by @GreyNoiseIO - gist.github.com/nathanqthai/01…
#Suricata and #Snort IDS signature by @ET_Labs - rules.emergingthreatspro.com/open/
Velociraptor artifact by @mgreen27 - docs.velociraptor.app/exchange/artif…
Callback domains by @GreyNoiseIO - gist.github.com/superducktoes/…
List of IP's looking for RCE by @GreyNoiseIO - gist.github.com/gnremy/c546c79…
Shodan query by @n0x08 -
Additional signatures have been added by @ET_Labs - (thanks @rimpq for the heads up)

Great blog on the CVE itself and some detections by @elastic / @SBousseaden - elastic.co/blog/detecting…
log4shell detector by @cyb3rops - github.com/Neo23x0/log4sh…

Test for it by using canarytoken @ThinkstCanary -

log4shell Vulnerability Tester by @HuntressLabs - log4shell.huntress.com

More payload in the wild by @Cloudflare - blog.cloudflare.com/actual-cve-202…
Understand/Detect and learn to mitigate against #log4shell with this @RealTryHackMe room by @_JohnHammond - tryhackme.com/room/solar

A curated list of IOC's by @CuratedIntel -

thread on the anatomy of #log4shell by @SophosLabs -
New Fenrir release adding stuff related to #log4shell by @cyb3rops - github.com/Neo23x0/Fenrir…

Guidance for preventing, detecting, and hunting for #log4shell by @MsftSecIntel - microsoft.com/security/blog/…
A great blog providing log4j detection and response playbook by @TrustedSec - trustedsec.com/blog/log4j-pla…

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More from @nas_bench

Nasreddine Bencherchali Profile picture
2 Feb
Following @SwiftOnSecurity amazing thread ().

I’ve compiled some the tools mentioned in it with their corresponding links in the thread below (For reference and easy find).
1. Pressing the F5 key in notepad will insert a timestamp
2. RpcPing (docs.microsoft.com/en-us/windows-…)
3. Qwinsta (docs.microsoft.com/en-us/windows-…)
4. Log Parser Lizard (lizard-labs.com/log_parser_liz…)
5. Dependency Walker (dependencywalker.com)
6. Sysinternals (docs.microsoft.com/en-us/sysinter…)
7. Dependencies (github.com/lucasg/Depende…)
8. ngrep (github.com/jpr5/ngrep)
9. PowerToys (github.com/microsoft/Powe…)
10. Everything (voidtools.com)
11. clip.exe (docs.microsoft.com/en-us/windows-…)
12. CertAlert (certalert.net)
13. grepcidr
Read 6 tweets

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