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IrisCTF 2024 Writeups

The following are writeups authored by participants of IrisCTF 2024. These authors do not represent IrisSec. These links are not guaranteed to be future-proof.

Binary Exploitation

Challenge	Writeups	Points	Solves
Insanity Check	V Sadygov, 4n86rakam1	50	254
memory		421	42
Serious Banking		465	28
Sequilitis	Goldenboy	496	9

Cryptography

Challenge	Writeups	Points	Solves
Baby Charge	pshegger	50	151
Accessible Sesamum Indicum	pshegger	50	133
dhash	NOZi	68	98
Integral Communication	Nightxade, stephen	197	82
manykey	Connor	454	32
Beach Party Crypto		496	10
Attack of the Kleins		498	6

Forensics

Challenge	Writeups	Points	Solves
Not Just Media	sealldev, pshegger, d33znu75, V Sadygov, 4n86rakam1	50	127
skat's SD Card	sealldev, M4lw4r3, 4n86rakam1	167	86
Investigator Alligator	4n86rakam1	428	40
Corrupted World	sealldev	465	28
What the Beep?	pshegger, d33znu75, gldanoob	478	22
buzzbuzz		491	14
Lost and Found		500	3

Misc

Challenge	Writeups	Points	Solves
Sir Scope	V Sadygov, d33znu75	280	70
Name that song 3		435	38
Voice Lock		457	31
The Peano Scramble		484	19
Name that song 4		487	17
Secret FBX		499	4

Networks

Challenge	Writeups	Points	Solves
Where's skat?	BobbedBob, sealldev, 4n86rakam1, kwu	50	134
skat's Network History	sealldev, 4n86rakam1	413	44
Copper Selachimorpha	sealldev, V Sadygov	467	27
Sharing is Caring	Legoclones	500	1

Open-Source Intelligence

Challenge	Writeups	Points	Solves
Away on Vacation	S1mple, bobby, Amrit Arora, arifpeycal, pshegger, V Sadygov, sealldev, vow, LordSudo, BobbedBob, 4n86rakam1	50	255
Personal Breach	S1mple, bobby, arifpeycal, pshegger, V Sadygov, sealldev, vow, LordSudo, BobbedBob, 4n86rakam1	50	173
Czech Where?	S1mple, bobby, Amrit Arora, arifpeycal, pshegger, V Sadygov, sealldev, vow, LordSudo, BobbedBob, 4n86rakam1	50	401
A Harsh Reality of Passwords	SyntaxSoup, S1mple, bobby, arifpeycal, sealldev, vow, LordSudo, BobbedBob, 4n86rakam1	465	28

Radio Frequency

Challenge	Writeups	Points	Solves
Disclaimer		50	686
Radio Hijacking	V Sadygov	409	45
Spicy Sines	ashiri	491	14
l1pcap		500	1
Birdie		500	1

Reverse Engineering

Challenge	Writeups	Points	Solves
The Johnson's	arifpeycal, V Sadygov, Minot, Bloodhound, 4n86rakam1	50	316
Rune? What's that?	Amrit Arora, 4n86rakam1, Bobbedbob	50	282
Secure Computing	Bloodhound	484	19
The Maze	Bloodhound	484	19
Small Universe		484	19
CloudVM	Bloodhound	496	10

Web

Challenge	Writeups	Points	Solves
What's My Password?	arifpeycal, pshegger, 4n86rakam1, sealldev, Amrit Arora	50	422
LameNote		484	19
Mokersee	r2uwu2, pshegger	496	9