reverseProhard

dudidudida

hackthebox

Task: PE64 D-language binary with 224 node functions forming a directed graph; flag drives a Hamiltonian path walk. Solution: extract graph structure, solve segment-by-segment using SHA256 accumulator mod prime constraints to find the unique valid path.

sha256 pe64 modular_arithmetic constraint_solving d_language hamiltonian_path graph_traversal bigint direction_mapping

control_flow_graph_extractionsha256_accumulator_verificationsegment_constraint_solvingdirection_mapping_state_trackingbigint_rdata_extractionhamiltonian_path_with_cryptographic_constraints

$ ls tags/ techniques/

sha256 pe64 modular_arithmetic constraint_solving d_language hamiltonian_path graph_traversal bigint direction_mapping

control_flow_graph_extractionsha256_accumulator_verificationsegment_constraint_solvingdirection_mapping_state_trackingbigint_rdata_extractionhamiltonian_path_with_cryptographic_constraints

Analysis

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Permission denied (requires tier.pro)

Sign in to access full writeups

$sign in

$ cat writeup.md…

Sign in to access full writeups

Sign in to access full writeups

Similar writeups