diff --git a/src/SUMMARY.md b/src/SUMMARY.md index edddf45ba..52e7cc8b6 100644 --- a/src/SUMMARY.md +++ b/src/SUMMARY.md @@ -37,6 +37,7 @@ - [Mobile Phishing Malicious Apps](generic-methodologies-and-resources/phishing-methodology/mobile-phishing-malicious-apps.md) - [Phishing Files & Documents](generic-methodologies-and-resources/phishing-methodology/phishing-documents.md) - [Basic Forensic Methodology](generic-methodologies-and-resources/basic-forensic-methodology/README.md) + - [Adaptixc2 Config Extraction And Ttps](generic-methodologies-and-resources/basic-forensic-methodology/adaptixc2-config-extraction-and-ttps.md) - [Baseline Monitoring](generic-methodologies-and-resources/basic-forensic-methodology/file-integrity-monitoring.md) - [Anti-Forensic Techniques](generic-methodologies-and-resources/basic-forensic-methodology/anti-forensic-techniques.md) - [Docker Forensics](generic-methodologies-and-resources/basic-forensic-methodology/docker-forensics.md) @@ -130,6 +131,7 @@ - [Seccomp](linux-hardening/privilege-escalation/docker-security/seccomp.md) - [Weaponizing Distroless](linux-hardening/privilege-escalation/docker-security/weaponizing-distroless.md) - [Escaping from Jails](linux-hardening/privilege-escalation/escaping-from-limited-bash.md) + - [Posix Cpu Timers Toctou Cve 2025 38352](linux-hardening/privilege-escalation/linux-kernel-exploitation/posix-cpu-timers-toctou-cve-2025-38352.md) - [euid, ruid, suid](linux-hardening/privilege-escalation/euid-ruid-suid.md) - [Interesting Groups - Linux Privesc](linux-hardening/privilege-escalation/interesting-groups-linux-pe/README.md) - [lxd/lxc Group - Privilege escalation](linux-hardening/privilege-escalation/interesting-groups-linux-pe/lxd-privilege-escalation.md) @@ -771,7 +773,7 @@ - [Stack Shellcode - arm64](binary-exploitation/stack-overflow/stack-shellcode/stack-shellcode-arm64.md) - [Stack Pivoting - EBP2Ret - EBP chaining](binary-exploitation/stack-overflow/stack-pivoting-ebp2ret-ebp-chaining.md) - [Uninitialized Variables](binary-exploitation/stack-overflow/uninitialized-variables.md) - - [ROP and JOP](binary-exploitation/rop-return-oriented-programing/README.md) + - [ROP & JOP](binary-exploitation/rop-return-oriented-programing/README.md) - [BROP - Blind Return Oriented Programming](binary-exploitation/rop-return-oriented-programing/brop-blind-return-oriented-programming.md) - [Ret2csu](binary-exploitation/rop-return-oriented-programing/ret2csu.md) - [Ret2dlresolve](binary-exploitation/rop-return-oriented-programing/ret2dlresolve.md) @@ -840,6 +842,7 @@ - [WWW2Exec - GOT/PLT](binary-exploitation/arbitrary-write-2-exec/aw2exec-got-plt.md) - [WWW2Exec - \_\_malloc_hook & \_\_free_hook](binary-exploitation/arbitrary-write-2-exec/aw2exec-__malloc_hook.md) - [Common Exploiting Problems](binary-exploitation/common-exploiting-problems.md) +- [Linux kernel exploitation - toctou](binary-exploitation/linux-kernel-exploitation/posix-cpu-timers-toctou-cve-2025-38352.md) - [Windows Exploiting (Basic Guide - OSCP lvl)](binary-exploitation/windows-exploiting-basic-guide-oscp-lvl.md) - [iOS Exploiting](binary-exploitation/ios-exploiting/README.md) - [ios CVE-2020-27950-mach_msg_trailer_t](binary-exploitation/ios-exploiting/CVE-2020-27950-mach_msg_trailer_t.md) @@ -937,6 +940,4 @@ - [Stealing Sensitive Information Disclosure from a Web](todo/stealing-sensitive-information-disclosure-from-a-web.md) - [Post Exploitation](todo/post-exploitation.md) - [Investment Terms](todo/investment-terms.md) -- [Cookies Policy](todo/cookies-policy.md) - - - [Posix Cpu Timers Toctou Cve 2025 38352](linux-hardening/privilege-escalation/linux-kernel-exploitation/posix-cpu-timers-toctou-cve-2025-38352.md) \ No newline at end of file +- [Cookies Policy](todo/cookies-policy.md) \ No newline at end of file diff --git a/src/generic-methodologies-and-resources/basic-forensic-methodology/adaptixc2-config-extraction-and-ttps.md b/src/generic-methodologies-and-resources/basic-forensic-methodology/adaptixc2-config-extraction-and-ttps.md new file mode 100644 index 000000000..622cc8f2f --- /dev/null +++ b/src/generic-methodologies-and-resources/basic-forensic-methodology/adaptixc2-config-extraction-and-ttps.md @@ -0,0 +1,243 @@ +# AdaptixC2 Konfigurasie‑uittrekking en TTPs + +{{#include ../../banners/hacktricks-training.md}} + +AdaptixC2 is 'n modulaire, open‑source post‑exploitation/C2 framework met Windows x86/x64 beacons (EXE/DLL/service EXE/raw shellcode) en BOF support. Hierdie blad dokumenteer: +- Hoe sy RC4‑gepakte konfigurasie ingebed is en hoe om dit uit beacons te onttrek +- Netwerk-/profiel‑indikators vir HTTP/SMB/TCP‑luisteraars +- Algemene loader- en persistentie‑TTPs wat in die veld waargeneem is, met skakels na relevante Windows tegniekbladsye + +## Beacon‑profiele en velde + +AdaptixC2 ondersteun drie primêre beacon‑tipes: +- BEACON_HTTP: web C2 met konfigureerbare servers/poorte/SSL, method, URI, headers, user‑agent, en 'n persoonlike parameternaam +- BEACON_SMB: named‑pipe peer‑to‑peer C2 (intranet) +- BEACON_TCP: direkte sockets, opsioneel met 'n voorafgevoegde merker om die protokol‑begin te obfuskeer + +Tipiese profielvelde waargeneem in HTTP beacon‑konfigurasies (na ontsleuteling): +- agent_type (u32) +- use_ssl (bool) +- servers_count (u32), servers (array of strings), ports (array of u32) +- http_method, uri, parameter, user_agent, http_headers (length‑prefixed strings) +- ans_pre_size (u32), ans_size (u32) – used to parse response sizes +- kill_date (u32), working_time (u32) +- sleep_delay (u32), jitter_delay (u32) +- listener_type (u32) +- download_chunk_size (u32) + +Example default HTTP profile (from a beacon build): +```json +{ +"agent_type": 3192652105, +"use_ssl": true, +"servers_count": 1, +"servers": ["172.16.196.1"], +"ports": [4443], +"http_method": "POST", +"uri": "/uri.php", +"parameter": "X-Beacon-Id", +"user_agent": "Mozilla/5.0 (Windows NT 6.2; rv:20.0) Gecko/20121202 Firefox/20.0", +"http_headers": "\r\n", +"ans_pre_size": 26, +"ans_size": 47, +"kill_date": 0, +"working_time": 0, +"sleep_delay": 2, +"jitter_delay": 0, +"listener_type": 0, +"download_chunk_size": 102400 +} +``` +Waargenome kwaadwillige HTTP-profiel (werklike aanval): +```json +{ +"agent_type": 3192652105, +"use_ssl": true, +"servers_count": 1, +"servers": ["tech-system[.]online"], +"ports": [443], +"http_method": "POST", +"uri": "/endpoint/api", +"parameter": "X-App-Id", +"user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.160 Safari/537.36", +"http_headers": "\r\n", +"ans_pre_size": 26, +"ans_size": 47, +"kill_date": 0, +"working_time": 0, +"sleep_delay": 4, +"jitter_delay": 0, +"listener_type": 0, +"download_chunk_size": 102400 +} +``` +## Versleutelde konfigurasie‑verpakking en laaipad + +Wanneer die operator op Create in die builder klik, inkorporeer AdaptixC2 die versleutelde profiel as 'n tail blob in die beacon. Die formaat is: +- 4 bytes: configuration size (uint32, little‑endian) +- N bytes: RC4‑encrypted configuration data +- 16 bytes: RC4 key + +Die beacon loader kopieer die 16‑byte key vanaf die einde en RC4‑decrypts die N‑byte blok in plek: +```c +ULONG profileSize = packer->Unpack32(); +this->encrypt_key = (PBYTE) MemAllocLocal(16); +memcpy(this->encrypt_key, packer->data() + 4 + profileSize, 16); +DecryptRC4(packer->data()+4, profileSize, this->encrypt_key, 16); +``` +Praktiese implikasies: +- Die hele struktuur woon dikwels binne die PE .rdata-seksie. +- Onttrekking is deterministies: lees size, lees die ciphertext van daardie grootte, lees die 16‑byte key wat onmiddellik daarna geplaas is, en dan RC4‑decrypt. + +## Konfigurasie-onttrekking werkvloei (verdedigers) + +Skryf 'n onttrekker wat die beacon logika naboots: +1) Lokaliseer die blob binne die PE (gewoonlik .rdata). 'n Pragmatiese benadering is om .rdata te deursoek vir 'n plausibele [size|ciphertext|16‑byte key] uitleg en probeer RC4. +2) Lees die eerste 4 bytes → size (uint32 LE). +3) Lees die volgende N=size bytes → ciphertext. +4) Lees die finale 16 bytes → RC4 key. +5) RC4‑decrypt die ciphertext. Parse dan die plain profile soos: +- u32/boolean scalars soos hierbo vermeld +- length‑prefixed strings (u32 length followed by bytes; trailing NUL can be present) +- arrays: servers_count gevolg deur daardie aantal [string, u32 port] pare + +Minimal Python proof‑of‑concept (standalone, geen eksterne afhanklikhede) wat werk met 'n vooraf-onttrekte blob: +```python +import struct +from typing import List, Tuple + +def rc4(key: bytes, data: bytes) -> bytes: +S = list(range(256)) +j = 0 +for i in range(256): +j = (j + S[i] + key[i % len(key)]) & 0xFF +S[i], S[j] = S[j], S[i] +i = j = 0 +out = bytearray() +for b in data: +i = (i + 1) & 0xFF +j = (j + S[i]) & 0xFF +S[i], S[j] = S[j], S[i] +K = S[(S[i] + S[j]) & 0xFF] +out.append(b ^ K) +return bytes(out) + +class P: +def __init__(self, buf: bytes): +self.b = buf; self.o = 0 +def u32(self) -> int: +v = struct.unpack_from(' int: +v = self.b[self.o]; self.o += 1; return v +def s(self) -> str: +L = self.u32(); s = self.b[self.o:self.o+L]; self.o += L +return s[:-1].decode('utf-8','replace') if L and s[-1] == 0 else s.decode('utf-8','replace') + +def parse_http_cfg(plain: bytes) -> dict: +p = P(plain) +cfg = {} +cfg['agent_type'] = p.u32() +cfg['use_ssl'] = bool(p.u8()) +n = p.u32() +cfg['servers'] = [] +cfg['ports'] = [] +for _ in range(n): +cfg['servers'].append(p.s()) +cfg['ports'].append(p.u32()) +cfg['http_method'] = p.s() +cfg['uri'] = p.s() +cfg['parameter'] = p.s() +cfg['user_agent'] = p.s() +cfg['http_headers'] = p.s() +cfg['ans_pre_size'] = p.u32() +cfg['ans_size'] = p.u32() + cfg['ans_pre_size'] +cfg['kill_date'] = p.u32() +cfg['working_time'] = p.u32() +cfg['sleep_delay'] = p.u32() +cfg['jitter_delay'] = p.u32() +cfg['listener_type'] = 0 +cfg['download_chunk_size'] = 0x19000 +return cfg + +# Usage (when you have [size|ciphertext|key] bytes): +# blob = open('blob.bin','rb').read() +# size = struct.unpack_from('