@_sudhackar
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playing with pointers and numbers ex @crowdstrike @payatulabs @IITIOfficial CTFs with @BanditsByte
India
Joined April 2014
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Added PoC for CVE-2018-8389 to github.com/tunz/js-vuln-db/b…
Also attached the presentation I used at @bsidesdelhi to present the same bug with internals of JScript's GC.
gist.github.com/sudhackar/20…
Feedback Welcome!
cc @HackSysTeam
For #flareon12 my intial notes are here for 9, 8, 7 and 5
sudhackar.notion.site/Flare-…
Currently traveling, but plan to do a full writeup with all thr deobfuscation scripts later in November
Thanks @Mandiant and the orgs @nickharbour @m_r_tz et al. for the great challenges
Finished #flareon12 this weekend
7 and 9 were probably my favorite ones this year
the prize for #flareon11 has landed in the mail this weekend
Sudhakar Verma retweeted
Cybersecurity professionals 📢 Join @_sudhackar at #NullconGoa2025 to ace at everything reverse engineering
🦠 Analyze malware
🔧 Build vulnerability research tools
🤖 Automate analysis processes
Training Objective: nullcon.net/goa-2025/trainin…
#reverseengineering #malwareanalysis
Went through
@saidelike
dbg3011 and arch2021 previews on
@OpenSecTraining beta this last week. Very good content. Like the simple VM setup script in dbg3011.
Sudhakar Verma retweeted
Stood #1 this year in CSAW India @CSAW_IITK
Grats to other teams @InfoSecIITR and @teambi0s
#CSAW #CSAW20
Sudhakar Verma retweeted
Have you ever looked at programs and wondered how do they function? How to analyze and debug the operating system and malware?
Get to know it from @_sudhackar in his training at @nullcon November Online Training | 7 - 10 Nov. 2020
nullcon.net/website/online-t…
Sudhakar Verma retweeted
I did a follow-up post on @ShiftLeftInc Joern. In this post I talk about solving the @GHSecurityLab CodeQL U-Boot challenge with Joern.
jaiverma.github.io/blog/joer…
Played @teambi0s @InCTF this weekend. Here are the writeups for 4 reverse challnges - ArchRide, jazz, RE warmup and P1Ayground sudhackar.github.io/blog/INC…
Sudhakar Verma retweeted
I did a small introductory write-up about using @ShiftLeftInc Joern for code analysis.
jaiverma.github.io/blog/joer…
Finally got some time to try @MiasmRe to solve a crackme. I wrote a blog on how to use its Dynamic Symbolic Execution engine to automatically find and solve constraints since there are not many blogs on it
sudhackar.github.io/blog/lea…
Sudhakar Verma retweeted
Another CTF writeup using Qiling. ByteBandits CTF 2020 (Autobot) by @chinmay_dd
chinmaydd.in/2020/04/13/Auto…
Yay! First memory corruption in WebKit for me CVE-2020-10018
webkitgtk.org/security/WSA-2…
with cloudfuzz, @HackSysTeam and @payatulabs
Sudhakar Verma retweeted
We have released the source of HackIM-2020 and we have crossed 50 weight on CTFtime.
github.com/nullcon/hackim-20…
ctftime.org/event/962
@nullcon #hackim2020
Had fun running it this year too. Thanks to other admins @yamantasbagv2 @0xpwnisher @nbsriharsha @_r00t3r_ @lionaneesh and @_jaiverma
I hope everyone had fun. Please rate us on CTFTime ctftime.org/event/962/weight…
Phew! #HackIMCTF just got over.
Here's a summary
Total registrations: 2279
Active teams with atleast 1 point : 1209
Scoreboard will be up in a while on CTFtime
Sources for #HackIMCTF at github.com/nullcon/hackim-20…
Time to sleep?
The CTF runs for 18 more hours. Go get them all!! #HackIMCTF
Attention: All challenges have been opened now. There a quite a few still with 0 solves. Go get the flags
#HackIMCTF
Sudhakar Verma retweeted
We have just a flag from the 600th team! Woohoo! In just under 3 hours. The CTF website has seen ~300k requests.
#HackIMCTF
Sudhakar Verma retweeted
#HackIMCTF is around the corner! We want you to be ready for it.
On 30th Jan, Sudhakar Verma (@_sudhackar) will take you through Do’s & Don’ts of #CTF.
Register for the #webinar: bit.ly/37jroAu
#HackIM #Nullcon #Nullcon2020 #CaptureTheFlag #Security #InfoSec
Same as last year but with more interesting and fun challs from @_jaiverma @_r00t3r_ @nbsriharsha @0xpwnisher and @yamantasbagv2
We are back with a popular #CaptureTheFlag (CTF) contest.
Be ready to participate in the #HackIM CTF #contest.
The #CTF will run for 36 hours, from 7th Feb 2020 2230 IST to 9th Feb 1030 IST.
Team registration is now open to all: ctf.nullcon.net/register
#Nullcon2020 #Nullcon
