ELF x64 - Hidden Control Flow

100 Points  0x0

Control Flow Graph Flattening

Author

so3,  

Level  Difficulty

Validations

126 Challengers 1%

Note  Notation

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49 Votes

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solutions 1 Solution

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
teemo Cracking  ELF x64 - Hidden Control Flow fr 31 May 2022 at 12:26
HellDiner Cracking  ELF x64 - Hidden Control Flow fr 17 April 2022 at 15:53
Kasen Cracking  ELF x64 - Hidden Control Flow fr 11 April 2022 at 19:14
seiduna Cracking  ELF x64 - Hidden Control Flow fr 31 March 2022 at 16:55
aaSSfxxx Cracking  ELF x64 - Hidden Control Flow fr 15 February 2022 at 21:55
LordRoke Cracking  ELF x64 - Hidden Control Flow fr 12 February 2022 at 16:17
ENOENT Cracking  ELF x64 - Hidden Control Flow fr 6 February 2022 at 14:50
StashOfCode Cracking  ELF x64 - Hidden Control Flow fr 27 January 2022 at 22:00
redoste Cracking  ELF x64 - Hidden Control Flow fr 9 January 2022 at 23:02
Bdenneu Cracking  ELF x64 - Hidden Control Flow fr 3 January 2022 at 02:50

challenges 66 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution ↓↑ Date
pas_valide PE x64 - Tables in shambles 1% 21 45 0xTRIKKSS 0 28 December 2023
pas_valide Voracious Nanomites 1% 10 110 Kasen 0 21 July 2023
pas_valide Unity - IL2CPP - Basic Game Hacking 1% 30 65 0x0ff 0 21 July 2023
pas_valide NRO ARM - Switch homebrew 1% 76 35 Elf 0 21 July 2023
pas_valide PYC - Snakeygen 1% 135 45 erk3 0 17 October 2022
pas_valide PYC - Self Modifying (Byte)Code 1% 19 45 Njörd 0 28 December 2023
pas_valide ELF x64 - Rust backdoor 1% 61 40 Elf 0 21 July 2023
pas_valide ELF x64 - Rust Crackme 1% 110 40 exti0p 0 17 October 2022
pas_valide PE x64 - UEFI Secure Boot 1% 87 40 Solden 1 10 May 2023
pas_valide PE x86 - SEHVEH 1% 1189 35 Thanat0s 1 4 May 2013
pas_valide APK - Insomni’Droid 1% 1583 40 cryptax 1 4 March 2012
pas_valide White-Box Cryptography #2 1% 60 130 Cryptanalyse 1 17 July 2019
pas_valide APK - Root My Droid 1% 1131 45 koma 1 26 February 2012
pas_valide PE DotNet - KeygenMe 1% 237 45 nqnt 1 14 April 2021
pas_valide Powershell DeObfuscation 1% 461 30 hat.time 1 2 April 2021
pas_valide HackerMan 1% 46 50 LordRoke , Stealer , Sengengie 1 10 May 2023
pas_valide Unity - Mono - Basic Game Hacking 1% 88 50 0x0ff 1 17 October 2022
pas_valide ELF x64 - KeyGenMe 1% 132 60 rene-d 1 12 November 2020
pas_valide Godot - 3D model 1% 370 35 Elf 1 10 June 2022
pas_valide PDF - Javascript 1% 1502 30 koma 1 14 February 2012
pas_valide ELF x64 - Hidden Control Flow 1% 126 100 so3 1 18 November 2020
pas_valide Godot - Bytecode 1% 833 15 Elf 1 10 June 2022
pas_valide APK - Flutter Debug 1% 475 20 exti0p 1 19 June 2022
pas_valide Unity3D Save handling 1% 111 20 Lumy 1 21 July 2023
pas_valide Godot - Mono 1% 565 20 Elf 1 10 June 2022
pas_valide PE DotNet - Basic Crackme 1% 1031 20 nqnt 2 14 April 2021
pas_valide Bash - VM 1% 267 60 govlog 2 25 March 2021
pas_valide ELF MIPS - Basic Crackme 2% 3855 15 sar 2 9 July 2018
pas_valide WASM - Introduction 1% 1190 15 Cyxo 2 26 March 2021
pas_valide ELF ARM - Crypted 1% 606 35 koma 2 4 September 2012
pas_valide Ringgit 1% 88 110 Cryptanalyse 2 6 October 2019
pas_valide ELF x64 - Nanomites 1% 364 70 Phenol 2 4 March 2018
pas_valide ELF ARM - crackme 1337 1% 2285 30 2 3 February 2011
pas_valide Lua - Bytecode 1% 656 25 Bernstein 2 25 March 2021
pas_valide GB - Basic GameBoy crackme 1% 1230 30 jambon69 2 14 September 2018
pas_valide MachO x64 - keygenme or not 1% 1430 25 /bin/ls 2 14 April 2017
pas_valide Godot - 0 protection 1% 1624 10 Elf 3 10 June 2022
pas_valide WASM - Find the NPC 1% 206 50 Cyxo 3 26 March 2021
pas_valide ELF x64 - Golang basic 1% 2656 15 jenaye 3 8 November 2018
pas_valide PE x86 - AutoPE 1% 806 45 Gr4ph0s 3 5 August 2011
pas_valide ELF x86 - Packed 1% 417 70 Tosh 3 18 October 2011
pas_valide ELF x64 - Nanomites - Introduction 1% 675 45 Phenol 3 4 March 2018
pas_valide PE x86 - Xor Madness 1% 783 30 ENOENT 3 17 July 2019
pas_valide APK - Anti-debug 1% 2545 40 cryptax 3 18 December 2012
pas_valide ELF x64 - Basic KeygenMe 1% 1402 20 fr0g 3 2 September 2020
pas_valide ELF x86 - Random Crackme 2% 3333 30 kmkz 3 3 February 2011
pas_valide PE DotNet - Basic Anti-Debug 1% 1301 20 nqnt 3 24 March 2021
pas_valide ELF x86 - Ptrace 3% 7458 15 g0uZ 3 27 November 2009
pas_valide ELF x86 - Anti-debug 1% 1715 45 Tosh 4 3 June 2012
pas_valide APK - Introduction 1% 1376 15 Algorab 4 17 October 2022
pas_valide ELF x64 - Anti-debug and equations 1% 392 65 0xmitsurugi 4 18 July 2016
pas_valide ELF x86 - CrackPass 2% 4984 30 Tosh 5 3 February 2011
pas_valide ELF x86 - ExploitMe 2% 4226 30 kmkz 5 3 February 2011
pas_valide ELF x86 - Fake Instructions 3% 8501 15 kmkz 5 21 February 2010
pas_valide ELF x86 - KeygenMe 1% 836 50 int_0x80 5 20 July 2011
pas_valide PE x86 - RunPE 1% 913 75 Thanat0s 5 16 December 2013
pas_valide PE DotNet - 0 protection 3% 9723 10 Geluchat 6 15 September 2014
pas_valide ELF C++ - 0 protection 4% 10242 10 sourcePerrier 6 13 July 2016
pas_valide ELF x86 - VM 1% 583 90 Thanat0s 7 16 June 2013
pas_valide ELF x64 - Crackme automating 1% 1018 35 0xmitsurugi 7 14 August 2018
pas_valide ELF ARM - Basic Crackme 2% 3956 20 0xmitsurugi 7 13 July 2016
pas_valide PE x86 - 0 protection 6% 19455 5 alejandr0 7 11 November 2012
pas_valide ELF x86 - No software breakpoints 2% 3772 25 yodzeb 9 2 October 2013
pas_valide PYC - ByteCode 2% 5013 20 Thanat0s 9 3 July 2013
pas_valide ELF x86 - Basic 11% 35295 5 g0uZ 10 7 October 2006
pas_valide ELF x86 - 0 protection 14% 43718 5 g0uZ 10 7 October 2006